List of shipwrecks in March 1918

The list of shipwrecks in March 1918 includes ships sunk, foundered, grounded, or otherwise lost during March 1918.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

1 March
List of shipwrecks: 1 March 1918
ShipCountryDescription
SMS A57  Imperial German Navy World War I: The A56-class torpedo boat struck a mine and sank in the North Sea with the loss of twelve of her crew.[1]
Borga  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 9 nautical miles (17 km) south east by south of Beer Head, Devon (50°32′N 2°56′W) by SM U-55 ( Imperial German Navy) with the loss of 5 crew.[2][3]
HMS Calgarian  Royal Navy World War I: The armed merchant cruiser was torpedoed and sunk in the Irish Sea off Rathlin Island, County Antrim (55°25′N 6°15′W) by SM U-19 ( Imperial German Navy) with the loss of 49 crew.
SMS Hermann Siebert  Imperial German Navy World War I: The Gronland-class Vorpostenboot was sunk by mines north west of Vlieland.[4]
Norefos  Norway World War I: The supply vessel was scuttled in the Atlantic Ocean 60 nautical miles (110 km) off Dakar, French West Africa.[5]
Penvearn  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 15 nautical miles (28 km) north of South Stack, Anglesey (53°35′N 4°49′W) by SM U-105 ( Imperial German Navy) with the loss of 21 crew.[3][6]
S #2  United States While under tow with a cargo of 10 drums containing 11,000 pounds (4,990 kg) of distillates, the 54-gross register ton barge experienced icing, her towline broke, and she sank in the Gulf of Alaska between Kodiak and Chignik, Territory of Alaska.[7]
Sunrise  United Kingdom The ketch struck a submerged wreck and sank.[8]
HMT Thomas Collard  Royal Navy World War I: The naval trawler was sunk by the force of the explosions of the torpedoes that sunk HMS Calgarian ( Royal Navy), which was a victim of SM U-19 ( Imperial German Navy). Her crew survived.[9]

2 March
List of shipwrecks: 2 March 1918
ShipCountryDescription
Bessy  Isle of Man World War I: The coaster was shelled and sunk in the Irish Sea 12 nautical miles (22 km) north west of Peel by SM U-91 and SM U-105 (both  Imperial German Navy). Her crew survived.[10]
Carmelite  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 10 nautical miles (19 km) south west of the Calf of Man, Isle of Man (54°00′N 4°52′W) by SM U-105 ( Imperial German Navy) with the loss of two of her crew.[3][11]
Euxeinos Greece World War I: The cargo ship was sunk in the Mediterranean Sea (32°17′N 32°03′E) by SM UB-53 ( Imperial German Navy).[12]
HMS H5  Royal Navy World War I: The H-class submarine was rammed and sunk by Rutherglen ( United Kingdom), which mistook her for a U-boat. All 22 crew were killed.
Havna  Norway World War I: The cargo ship was sunk in the Irish Sea 20 nautical miles (37 km) east south east of the Tuskar Rock by SM UB-65 ( Imperial German Navy) with the loss of eleven of her eighteen crew.[13][14]
Kenmare  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 25 nautical miles (46 km) north west of The Skerries, Isle of Anglesey by SM U-104 ( Imperial German Navy) with the loss of 29 crew.[3][15]
Maria  United Kingdom The schooner foundered with the loss of three of her crew.[16]
Otto Schlick  Imperial German Navy World War I: The Augustenburg-class Vorpostenboot was sunk by mines off Texel.[17]
Rockpool  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 12 nautical miles (22 km) north east by north of Eagle Island, County Mayo by SM U-94 ( Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[3][18]
Stina  Sweden World War I: The cargo ship was torpedoed, shelled and sunk in the Atlantic Ocean 8 nautical miles (15 km) north by east of the Cairns of Coll, Argyllshire, United Kingdom[19] (56°48′N 6°30′W) by SM U-22 ( Imperial German Navy). Her crew survived.[20]

3 March
List of shipwrecks: 3 March 1918
ShipCountryDescription
Countess  United Kingdom The vessel foundered in the English Channel off Deal, Kent. Her crew were rescued by the Deal Lifeboat.[21]
Diamond  United Kingdom The vessel foundered in the English Channel off Deal. Her crew were rescued by the Deal Lifeboat.[21]
Eliza and Alice  United Kingdom The vessel foundered in the English Channel off Deal. Her crew were rescued by the Deal Lifeboat.[21]
Navator  United Kingdom The vessel foundered in the English Channel off Deal. Her crew were rescued by the Deal Lifeboat.[21]
Nikolaus Schoke  Imperial German Navy World War I: The Ditmar Koel-class Vorpostenboot was sunk by mines off Terschelling.[22]
Romeo  United Kingdom World War I: The refrigerated cargo ship was torpedoed and sunk in the Irish Sea 11 nautical miles (20 km) north west of Peel, Isle of Man (52°22′N 4°52′W) by SM U-102 ( Imperial German Navy) with the loss of 26 of her 29 crew. The survivors were rescued by Ardgavel ( United Kingdom) and HMS Kilgobnet ( Royal Navy).[23][24]

4 March
List of shipwrecks: 4 March 1918
ShipCountryDescription
Antioco Accame  Italy World War I: The cargo ship was sunk in the Atlantic Ocean west of Gibraltar (35°11′N 7°55′W) by SM U-155 ( Imperial German Navy). Her crew survived.[25]
Castle Eden  United Kingdom World War I: The collier was torpedoed and sunk in the Atlantic Ocean 4 nautical miles (7.4 km) south south east of the Inishtrahull Lighthouse, County Donegal by SM U-110 ( Imperial German Navy) with the loss of a crew member.[26][27]
Clan Macpherson  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 24 nautical miles (44 km) north of Cape Serrat, Tunisia (37°47′N 9°05′E) by SM UC-27 ( Imperial German Navy) with the loss of eighteen of her crew.[3][28]
Geneva  United Kingdom The coaster struck a submerged wreck and was beached. She sank the next day.[16]
Lady Londonderry  United Kingdom The coaster collided with another vessel and sank.[29]
Northfield  United Kingdom World War I: The collier was torpedoed and sunk in the Bristol Channel 25 nautical miles (46 km) south west of Lundy Island, Devon (50°55′15″N 4°45′30″W) by SM U-60 ( Imperial German Navy) with the loss of fifteen crew.[3][23][30]
Polkerris  France World War I: The cargo ship was sunk in the English Channel 10 nautical miles (19 km) south east of Portland Bill, Dorset, United Kingdom by SM UB-80 ( Imperial German Navy). Her crew survived.[31]
Puritan  United States The 78-gross register ton, 80.6-foot (24.6 m) fishing vessel was wrecked on Montague Island at the entrance to Prince William Sound on the south-central coast of the Territory of Alaska. Her entire crew of 17 survived.[32]

5 March
List of shipwrecks: 5 March 1918
ShipCountryDescription
Coalgas  United Kingdom World War I: The cargo ship struck a mine and sank in the North Sea 5 nautical miles (9.3 km) south by west of the Shipwash Lightship ( United Kingdom). Her crew survived.[33]
Edouard Marie  Belgium World War I: The fishing vessel was sunk in the Atlantic Ocean 5 nautical miles (9.3 km) south of the Wolf Rock, Cornwall, United Kingdom (49°52′N 5°52′W) by SM UC-75 ( Imperial German Navy).[34]
Estrella  United Kingdom World War I: The cargo ship struck a mine and sank in the North Sea 5 nautical miles (9.3 km) south by west of the Shipwash Lightship ( United Kingdom) with the loss of twenty of her crew.[35]
Quarnero  Italy World War I: The cargo ship was sunk in the Atlantic Ocean 5 nautical miles (9.3 km) north of Portreath, Cornwall, United Kingdom (50°21′N 5°19′W) by SM U-60 ( Imperial German Navy).[36]
Roxburgh  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) east by north of Cape St. John, Crete, Greece by SM UC-74 ( Imperial German Navy) with the loss of six of her crew.[37]
Tusnastabb  Norway World War I: The cargo ship struck a mine and sank in the North Sea south west of the Shipwash Lightship ( United Kingdom) (51°57′N 1°43′E). Her crew survived.[38]
Uskmoor  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 3 nautical miles (5.6 km) south west of Prawle Point, Devon by SM UB-80 ( Imperial German Navy). Her crew survived.[3][39]
HMT William Tennant  Royal Navy The naval trawler collided with a British trawler and sank.[16][23]

6 March
List of shipwrecks: 6 March 1918
ShipCountryDescription
Daiten Maru  Japan World War I: The cargo ship was sunk in the Mediterranean Sea west of Sicily, Italy by SM U-35 ( Imperial German Navy). Her crew survived.[40]
Elector  Portugal World War I: The sailing vessel was sunk in the Atlantic Ocean off Rio de Oro by SM U-152 ( Imperial German Navy).[41]
Kalgan  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 33 nautical miles (61 km) south west of Jaffa, Occupied Enemy Territory Administration by SM UB-53 ( Imperial German Navy) with the loss of a crew member.[3][42]
HMT Princess Alice  Royal Navy The naval trawler was lost in the Mediterranean Sea on this date.[23]

7 March
List of shipwrecks: 7 March 1918
ShipCountryDescription
Begona No.4  Spain World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 60 nautical miles (110 km) north west of Marettimo, Italy by SM U-35 ( Imperial German Navy).[43]
Braatt II  Norway World War I: The cargo ship was torpedoed and sunk in the English Channel 7 nautical miles (13 km) south west by south of St. Catherine's Point, Isle of Wight, United Kingdom (50°29′N 1°21′W) by SM UB-30 ( Imperial German Navy). Her crew survived.[44]
Brise  France World War I: The sailing vessel was shelled and sunk in the Atlantic Ocean 3.5 nautical miles (6.5 km) north of Trevose Head, Cornwall, United Kingdom (50°36′N 5°03′W) by SM U-55 ( Imperial German Navy).[45]
Luigi  Italy World War I: The cargo ship was sunk in the Atlantic Ocean off Rio de Oro (25°35′N 14°38′W) by SM U-152 ( Imperial German Navy). Her crew survived.[46]
Martha  Belgium World War I: The coaster was torpedoed and sunk in the English Channel 5 nautical miles (9.3 km) west by south of Portland Bill, Dorset, United Kingdom (50°30′N 2°36′W) by SM UB-80 ( Imperial German Navy).[47]
Saint Georges  France World War I: The sailing vessel was shelled and sunk in the Atlantic Ocean 2 nautical miles (3.7 km) north of Trevose Head (50°35′N 5°03′W) by SM U-55 ( Imperial German Navy).[48]
Saint Joseph  France World War I: The three-masted barquentine was shelled and sunk in the Atlantic Ocean 5 nautical miles (9.3 km) north west of Trevose Head (50°36′N 5°08′W) by SM U-55 ( Imperial German Navy).[49]
Tarbetness  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 12 nautical miles (22 km) south west of the Caernarvon Lightship ( United Kingdom) by SM U-110 ( Imperial German Navy). Her crew survived.[3][50]
Umatilla  United States The cargo ship was wrecked when she ran aground north of Inuboyesaki, Japan.[51]
RFA Vitol  Royal Fleet Auxiliary World War I: The tanker was sunk in the Irish Sea (52°38′N 5°04′W) by SM U-110 ( Imperial German Navy) with the loss of four crew.[52]

8 March
List of shipwrecks: 8 March 1918
ShipCountryDescription
Ayr  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 31 nautical miles (57 km) north of Linosa, Italy (36°23′N 13°45′E) by SM UC-27 ( Imperial German Navy). Her crew survived.[3][53]
City of Parkersburg  United States The steamer struck a sunken barge and sank in deep water in the Ohio River off Russell, Kentucky/Ironton, Ohio.[54][55]
Corsham  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 6 nautical miles (11 km) east south east of the mouth of the River Tees by SM UC-40 ( Imperial German Navy) with the loss of nine of her crew.[3][56]
Erica  United Kingdom World War I: The schooner was shelled and sunk in the Irish Sea 5 nautical miles (9.3 km) south west of Bardsey Island, Pembrokeshire by SM U-110 ( Imperial German Navy). Her crew survived.[57]
Intent  United Kingdom World War I: The collier was torpedoed and sunk in the North Sea 4 nautical miles (7.4 km) east by north of Seaham, County Durham by SM UC-40 ( Imperial German Navy) with the loss of a crew member.[27][58]
Madeline  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 14 nautical miles (26 km) east north east of the Pendeen Lighthouse, Cornwall (50°02′N 5°25′W) by SM U-55 ( Imperial German Navy) with the loss of three crew.[59]
Uganda  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 32 nautical miles (59 km) north east by north of Linosa, Italy (36°18′N 13°15′E) by U-28 ( Austro-Hungarian Navy) with the loss of a crew member.[60][61]

9 March
List of shipwrecks: 9 March 1918
ShipCountryDescription
Admiral Evans  United States The 2,393-gross register ton passenger steamer struck a reef and was beached in a sinking condition in Hawk Inlet (58°05′N 134°46′W) in Southeast Alaska. After her 91 passengers were taken off, she was refloated, repaired, and returned to service.[62]
Grane  Norway World War I: The cargo ship was sunk in the English Channel 4 nautical miles (7.4 km) west-southwest of Portland Bill, Dorset, United Kingdom by SM UB-80 ( Imperial German Navy) with the loss of two of her crew.[63]
Hindenburg  Germany World War I: The icebreaker struck a mine and sank in the Baltic Sea off Åland, Sweden, with the loss of three of her crew.[64] The wreck was found in 1995 at a depth of 50 metres (160 ft) by dive instructor Richard Johansson from Maltaproffsen and his crew from Ålands Dykcenter and FF-Dyk.
Jolanda  Italy World War I: The brigantine was scuttled in the Mediterranean Sea northeast of Sardinia (41°25′N 9°40′E) by the submarine SM UC-67 ( Imperial German Navy). Her crew survived.[65]
Marguerite  United Kingdom World War I: The fishing smack was scuttled in the Irish Sea off Barrow-in-Furness, Lancashire, England, by the submarine SM UC-75 ( Imperial German Navy).[66][67]
Nanny Wignall  United Kingdom World War I: The schooner was sunk by gunfire in the Atlantic Ocean 14 nautical miles (26 km) southeast by south of the Tusker Rock, Ireland, by the submarine SM U-110 ( Imperial German Navy). Her crew survived.[68]
Pasqualina  Italy World War I: The schooner was scuttled in the Mediterranean Sea northeast of Sardinia by the submarine SM UC-67 ( Imperial German Navy).[69]
Randelsborg  Denmark World War I: The cargo ship was sunk in the Skagerrak 20 nautical miles (37 km) southeast of Oscö, Denmark, by the submarine SM UB-34 ( Imperial German Navy). Her crew survived.[70]
Silverdale  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 28 nautical miles (52 km) east by north of the Cani Rocks, Tunisia, by the submarine SM U-35 ( Imperial German Navy). Her crew survived.[3][71]
Udala Mendi  Spain The cargo ship collided with a British merchant vessel and sank. Her crew were rescued.[72]

10 March
List of shipwrecks: 10 March 1918
ShipCountryDescription
Chagres  United Kingdom World War I: The passenger ship was torpedoed and sunk in the Mediterranean Sea 62 nautical miles (115 km) east north east of Cape Drepano, Crete, Greece by SM UC-74 ( Imperial German Navy) with the loss of one life.[3][73]
HMT Columba  Royal Navy World War I: The naval trawler struck a mine and sank in the Firth of Forth 2 nautical miles (3.7 km) off the Isle of May, Fife (56°10′N 2°34′W) with the loss of five of her crew.[74]
Cristina  Spain World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 15 nautical miles (28 km) south west of Trevose Head, Cornwall, United Kingdom (50°23′N 5°13′W) by SM U-55 ( Imperial German Navy). Her crew survived.[75]
HMT Endeavour  Royal Navy World War I: The naval trawler was lost due to enemy action.[27][76]
Germaine  France World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 2 nautical miles (3.7 km) off Pentire Head, Cornwall (50°37′N 4°58′W) by SM U-110 ( Imperial German Navy).[77]
SMS M91  Imperial German Navy World War I: The Type 1916 minesweeper struck a mine and sank in the North Sea.[78]
Prince Charles de Belgique  Belgium The cargo ship collided with Firtree ( United Kingdom) in the English Channel, 3 to 4 nautical miles (5.6 to 7.4 km) east of Bull Point 51°20′N 4°06′W and sank. Her ten crew were rescued.[72][79]
Skrymer  Norway World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 2 nautical miles (3.7 km) off Pendeen, Cornwall (50°11′N 5°40′W) by SM UC-77 ( Imperial German Navy) with the loss of two of her crew.[80]
Sunrise  United Kingdom World War I: The fishing smack was scuttled in the Irish Sea 10 nautical miles (19 km) south east of Maughold Head, Isle of Man by SM UC-75 ( Imperial German Navy). Her crew survived.[81]
SM UB-58  Imperial German Navy World War I: The Type UB III submarine struck a mine and sank in the English Channel (51°00′N 1°19′E) with the loss of all 35 crew.[82]
Wave  United Kingdom World War I: The fishing smack was scuttled in the Irish Sea 10 nautical miles (19 km) south west by west of St Bees Head, Cumberland by SM UC-75 ( Imperial German Navy). Her crew survived.[83]

11 March
List of shipwrecks: 11 March 1918
ShipCountryDescription
HMT Frigate Bird  Royal Navy The naval trawler was lost on this date.[27]
Stolt Nielsen  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 38 nautical miles (70 km) south of Dellimara Point, Malta (35°10′N 14°40′E) by SM U-28 ( Austro-Hungarian Navy). Her crew survived.[3][84]
Tripoli  Italy World War I: The barque was scuttled in the Mediterranean Sea off Toulon, Var, France by SM UC-67 ( Imperial German Navy).[85]
SM UB-17  Imperial German Navy World War I: The Type UB I submarine departed Zeebrugge, West Flanders, Belgium on patrol. No further trace, lost with all eighteen crew.
SM UB-54  Imperial German Navy World War I: The Type UB III submarine departed for a patrol in the English Channel. Sunk on 11 March 1918 at 53°15′N 0°45′E by destroyers HMS Sturgeon, Thruster, and Retriever (all  Royal Navy) using depth charges, lost with all 29 crew.[86][87]
W. A. Massey  United Kingdom World War I: The trawler struck a mine and sank in the Atlantic Ocean 4 nautical miles (7.4 km) west by north of Handa Island, Sutherland with the loss of ten of her crew.[66]
William A. Bisso  United States The tug was sunk in a collision with Cohauila ( Mexico) in the Mississippi River at Point Celest Bend 50 miles (80 km) below New Orleans, Louisiana. Her captain and eight crew were killed.[88][89]

12 March
List of shipwrecks: 12 March 1918
ShipCountryDescription
HMS D3  Royal Navy World War I: The D-class submarine was bombed and sunk in the English Channel by the French airship AT-0 with the loss of all 25 crew.
Gaupen  United Kingdom World War I: The cargo ship struck a mine and sank in the English Channel 5 nautical miles (9.3 km) south east by east of North Foreland, Kent.[3]
No. 3  Imperial Russian Navy The No. 1-class submarine was lost on the Danube.[90]
Nordkyn  Norway World War I: The cargo ship was sunk in the Atlantic Ocean (34°12′N 10°17′W) by SM U-154 ( Imperial German Navy). Her crew survived.[91]
Oswin  Sweden World War I: The cargo ship was sunk in the North Sea 40 nautical miles (74 km) east north east of St Abb's Head, Berwickshire, United Kingdom[92] by SM UB-62 ( Imperial German Navy). Her crew survived.[93]

13 March
List of shipwrecks: 13 March 1918
ShipCountryDescription
SMS A56  Imperial German Navy World War I: The A56-class torpedo boat struck a mine and sank in the North Sea with the loss of sixteen of her crew.[1]
Adine  Norway World War I: The cargo ship was torpedoed and sunk in the North Sea 8 nautical miles (15 km) off the Heugh Battery, Hartlepool, County Durham, United Kingdom (54°42′N 0°58′E) by SM UB-34 ( Imperial German Navy). Her crew survived.[94]
HMT Adrian  Royal Navy The naval trawler was lost on this date.[27]
A. E. Whyland  United States World War I: The whaler was sunk in the Atlantic Ocean 55 nautical miles (102 km) off Tenerife, Canary Islands, Spain (27°02′N 16°26′W) by SM U-152 ( Imperial German Navy). Her crew survived.[95]
Arno Mendi  Spain World War I: The cargo ship was torpedoed and sunk in the Irish Sea 14 nautical miles (26 km) south of the Stack Lighthouse by SM UC-75 ( Imperial German Navy).[96]
Crayford  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 110 nautical miles (200 km) west by south of Skudesnes, Rogaland, Norway by SM U-46 ( Imperial German Navy) with the loss of a crew member.[3][97]
Lisette  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 8 nautical miles (15 km) north east by north of the Shipwash Lightship ( United Kingdom) by a Kaiserliche Marine submarine with the loss of a crew member.[3]
Londonier  Belgium World War I: The cargo ship was torpedoed and sunk in the English Channel south of the Isle of Wight, United Kingdom (50°31′N 1°19′W) by SM UC-71 ( Imperial German Navy)[98]
HMT Nexus  Royal Navy The naval trawler was lost on this date.[23]
San Francesco di Paola  Italy World War I: The sailing vessel was sunk in the Tyrrhenian Sea 70 nautical miles (130 km) south of Naples (39°45′N 12°38′E) by SM UB-49 ( Imperial German Navy).[99]
Tweed  United Kingdom World War I: The collier was torpedoed and sunk in the English Channel 10 nautical miles (19 km) south by west of St. Catherine's Point, Isle of Wight by SM UB-59 ( Imperial German Navy) with the loss of seven of her crew.[3][23][100]
Wegadesk  Norway World War I: The cargo ship was scuttled in the Atlantic Ocean west of Gibraltar by SM U-155 ( Imperial German Navy). Her crew survived.[101]

14 March
List of shipwrecks: 14 March 1918
ShipCountryDescription
A. A. Raven  United States World War I: The cargo ship was sunk in the Atlantic Ocean 15 nautical miles (28 km) south of the Wolf Rock, Cornwall, United Kingdom (49°41′N 5°50′W) by SM UB-55 ( Imperial German Navy) with the loss of seven crew.[102]
HMT Agate  Royal Navy World War I: The naval trawler struck a mine and sank in the English Channel off the Royal Sovereign Lightship ( United Kingdom) with the loss of four of her crew. by SM UC-71 ( Imperial German Navy). Her crew survived.[103]
Amulet  United Kingdom The cargo ship collided with a Norwegian merchant vessel and sank. Her crew were rescued.[104]
HMS Ardandearg  Royal Navy World War I: The collier was torpedoed and sunk in the Mediterranean Sea 86 nautical miles (159 km) east of Malta by SM UC-54 ( Imperial German Navy) with the loss of two of her crew.[3][27][105]
Arpillao  Spain World War I: The cargo ship was sunk in the Atlantic Ocean off Las Palmas, Canary Islands (29°08′N 14°53′W) by SM U-157 ( Imperial German Navy). Her crew survived.[106]
Carla  Norway World War I: The barque was shelled and sunk in the English Channel 56 nautical miles (104 km) north west by north of Le Havre, Seine-Inférieure, France by SM UB-33 ( Imperial German Navy). Her crew survived.[107]
Castleford  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 2 nautical miles (3.7 km) east by north of Robin Hood's Bay, Yorkshire by SM UC-40 ( Imperial German Navy). Her crew survived.[3][108]
Jeanne  France World War I: The schooner was scuttled in the Gulf of Lion (42°32′N 4°10′E) by SM UC-67 ( Imperial German Navy).[109]
Jeanne Marie  France World War I: The cargo ship struck a mine and sank in the English Channel off Sark, Channel Islands (49°20′N 2°22′W).[110]
Principessa Laetitia  Italy World War I: The cargo ship was sunk in the Tyrrhenian Sea off Ponza by SM UB-49 ( Imperial German Navy). Her crew survived.[111]
Tweed  United Kingdom World War I: The cargo ship was torpedoed and sunk in St. George's Channel 15 nautical miles (28 km) south south east of the Tuskar Rock, Ireland (52°11′N 5°50′W) by SM UC-75 ( Imperial German Navy). Her crew survived.[3][112]
Venezuela  France World War I: The coaster was sunk in the English Channel off the Isle of Wight, United Kingdom by SM UB-59 ( Imperial German Navy) with the loss of all hands.[113]

15 March
List of shipwrecks: 15 March 1918
ShipCountryDescription
Adriatico  Italy The cargo ship collided with a British merchant vessel and sank.[114]
Alessandra  Italy World War I: The full-rigged ship was scuttled in the Atlantic Ocean west of Madeira, Portugal (33°21′N 21°00′W) by SM U-153 ( Imperial German Navy).[115]
Amazon  United Kingdom World War I: The ocean liner was torpedoed and sunk in the Atlantic Ocean off Malin Head, County Donegal (55°49′N 8°06′W) by SM U-110 ( Imperial German Navy). Her crew survived.[3][116]
Armonia  Canada World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 38 nautical miles (70 km) off Porquerolles, Var, France by SM UC-67 ( Imperial German Navy) with the loss of seven of her crew.[3][117]
Carrie A. Lane  United States The schooner foundered in the Gulf of Guinea off Assinie, French West Africa.[114]
Clan Macdougal  United Kingdom World War I: The cargo ship was sunk in the Mediterranean Sea 60 nautical miles (110 km) south of Cape Carbonara, Sardinia, Italy by SM UB-49 ( Imperial German Navy) with the loss of 33 crew.[3][118]
Greta  Imperial German Navy World War I: The Greta-class Vorpostenboot was sunk by mines off Blaavand Point.[119]
Severn  United Kingdom The coaster collided with the Widnes-Runcorn Transporter Bridge and sank in the River Mersey with the loss of all three crew.[104]
Sparkling Foam  United Kingdom World War I: The three-masted sailing vessel was scuttled in the English Channel 9 nautical miles (17 km) south east of Beer Head, Devon by SM UB-33 ( Imperial German Navy). Her crew survived.[120]
SM U-110  Imperial German Navy World War I: The Type U 93 submarine was depth charged and sunk in the Atlantic Ocean off Malin Head (54°49′N 8°06′W) by HMS Michael and HMS Moresby (both  Royal Navy) with the loss of all 39 crew.
SM UB-106  Imperial German Navy The Type UB III submarine sank at Kiel, Schleswig-Holstein (54°42′N 10°09′E) with the loss of all 35 crew. She was raised on 18 March, repaired and returned to service.[121]

16 March
List of shipwrecks: 16 March 1918
ShipCountryDescription
Ellaston  United Kingdom World War I: The collier was scuttled in the Atlantic Ocean 180 nautical miles (330 km) off the Canary Islands, Spain by SM U-152 ( Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[3][27][122]
Lightfoot  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 2 nautical miles (3.7 km) south of the Owers Lightship ( United Kingdom) by SM UB-30 ( Imperial German Navy). Her crew survived.[3][123]
Oilfield  United Kingdom World War I: The tanker was torpedoed and damaged in the Atlantic Ocean off Cape Wrath, Sutherland (58°45′N 5°26′W) by SM U-90 ( Imperial German Navy). She was beached at Stornoway, Orkney Islands but was declared a constructive total loss.[3][124]
Quintero  Denmark World War I: The three-masted barque was scuttled in the North Sea off Skagen (57°54′N 9°33′E) by SM UB-34 ( Imperial German Navy). Her crew survived.[125]
HMT Vulture II  Royal Navy The naval trawler collided with another vessel and sank off Eriboll, Sutherland.[126]

17 March
List of shipwrecks: 17 March 1918
ShipCountryDescription
Anne Yvonne  France World War I: The sailing vessel was shelled and sunk in the English Channel 1.5 nautical miles (2.8 km) off Cadgwith, Cornwall, United Kingdom (49°59′N 5°10′W) by SM UB-57 ( Imperial German Navy).[127]
Arvor  France World War I: The sailing vessel was sunk in the English Channel 1.5 nautical miles (2.8 km) north east of The Lizard, Cornwall (49°59′N 5°10′W) by SM UB-57 ( Imperial German Navy).[128]
Beata  France World War I: The sailing vessel was shelled and sunk in the English Channel 1.5 nautical miles (2.8 km) north east of The Lizard (49°59′N 5°10′W) by SM UB-57 ( Imperial German Navy).[129]
Cressida  United Kingdom World War I: The steam yacht was torpedoed and sunk in the Irish Sea 16 nautical miles (30 km) west by north of The Skerries, Isle of Anglesey (53°23′N 5°05′W by SM U-103 ( Imperial German Navy) with the loss of three crew.[130]
Dunure  United Kingdom The barque sprang a leak and foundered in the Mediterranean Sea 12 nautical miles (22 km) south of Isla Cristina, Spain. Her crew were rescued.[131]
Eliza Anne  United Kingdom World War I: The ketch was scuttled in the Atlantic Ocean 33 nautical miles (61 km) south by west of the Eddystone Lighthouse by SM UC-75 ( Imperial German Navy). Her crew survived.[132]
Guadalquivir  Spain World War I: The cargo ship was sunk in the Atlantic Ocean (33°10′N 9°37′W) by SM U-154 ( Imperial German Navy). Her crew survived.[133]
Ivydene  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 36 nautical miles (67 km) north of Cape Bougaroni, Algeria (38°49′N 6°32′E by SM UB-52 ( Imperial German Navy) with the loss of a crew member.[134]
Sea Gull  United Kingdom World War I: The coaster was torpedoed and sunk in the Irish Sea 7 nautical miles (13 km) off Point Lynas, Anglesey by SM U-103 ( Imperial German Navy) with the loss of twenty crew.[3][135]
South Western  United Kingdom World War I: The coaster was torpedoed and sunk in the English Channel 9 nautical miles (17 km) west by south of St. Catherine's Point, Isle of Wight by SM UB-59 ( Imperial German Navy) with the loss of 24 of her crew.[3][136]
Tripoli  Italy World War I: The passenger ship was sunk in the Mediterranean Sea off Capo Figari, Sardinia (41°07′N 9°57′E) by SM UB-49 ( Imperial German Navy).[137]
Waihemo  United Kingdom World War I: The cargo ship struck a mine and sank in the Aegean Sea off Piraeus. Her crew survived.[138]

18 March
List of shipwrecks: 18 March 1918
ShipCountryDescription
Atlantic Sun  United Kingdom World War I: The tanker was torpedoed and sunk off Orsay, Inner Hebrides (55°49′N 7°10′W) by U-46 ( Imperial German Navy) with the loss of two of her crew.[139]
Baygitano  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel off Lyme Regis, Dorset (50°41′N 2°56′W) by SM UC-77 ( Imperial German Navy) with the loss of two of her crew.[140]
Heian Maru No.18  Japan The cargo ship caught fire and sank at Nagasaki. She was a total loss.[114]
John H. Barry  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 104 nautical miles (193 km) north north west of Cape Bougaroni, Algeria (38°42′N 5°45′E) by SM UB-52 ( Imperial German Navy) with the loss of three crew.[3][141]
Massilia  Italy World War I: The coal hulk was torpedoed and sunk at Augusta, Sicily by SM UC-25 ( Imperial German Navy).[142]
Prometeo  Italy World War I: The tanker was sunk in the Atlantic Ocean off Cape Carvoeiro, Portugal (37°54′N 16°00′W) by SM U-155 ( Imperial German Navy).[143]
Reidar  Norway World War I: The cargo ship was sunk in the Atlantic Ocean 340 nautical miles (630 km) off the coast of Portugal by SM U-155 ( Imperial German Navy) with the loss of four of her crew.[144]
Saldanha  United Kingdom World War I: The cargo ship was torpedoed and damaged in the Mediterranean Sea 95 nautical miles (176 km) north of Algiers, Algeria (38°19′N 2°39′E) by SM UB-52 ( Imperial German Navy). She was torpedoed again the next day and sank with the loss of six crew.[145]
Utrecht  French Navy World War I: The naval tug was shelled and sunk in the Mediterranean Sea 90 nautical miles (170 km) east of Capo Figari, Sardinia, Italy (41°04′N 11°48′E) by SM UB-49 ( Imperial German Navy) with the loss of two of her crew.[146]

19 March
List of shipwrecks: 19 March 1918
ShipCountryDescription
Burnstone  United Kingdom World War I: The collier was torpedoed and sunk in the North Sea 44 nautical miles (81 km) north of the Farne Islands, Northumberland by SM UB-62 ( Imperial German Navy) with the loss of five of her crew.[3][27][147]
Giovanni Albanesi  Italy World War I: The barque was shelled and sunk in the Gulf of Naples (40°25′N 13°17′E) by SM UB-49 ( Imperial German Navy).[148]
Linz  Austria-Hungary World War I: The ocean liner sank in the Adriatic Sea on 20 February or 19 March 1918 after she hit a mine.[149]
San Francesco di Paolo  Italy World War I: The sailing vessel was scuttled in the Gulf of Naples 70 nautical miles (130 km) west of Naples (40°40′N 13°48′E) by SM UB-49 ( Imperial German Navy).[150]
Luxor  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 27 nautical miles (50 km) west by south of St. Catherine's Point, Isle of Wight by SM UB-57 ( Imperial German Navy). Her crew survived.[3][151]

20 March
List of shipwrecks: 20 March 1918
ShipCountryDescription
Antonios M. Theophilatos Greece World War I: The cargo ship was sunk in the Mediterranean Sea 75 nautical miles (139 km) north west of Port Said, Egypt (32°04′N 32°08′E) by SM U-33 ( Imperial German Navy).[152]
Azemmour  France World War I: The coaster was torpedoed and sunk in the English Channel south of the Isle of Wight, United Kingdom (50°32′N 1°36′W) by SM UB-59 ( Imperial German Navy).[153]
Eros  Sweden World War I: The coaster was torpedoed and sunk in the Atlantic Ocean 8 nautical miles (15 km) west of The Lizard, Cornwall, United Kingdom[154] (49°56′N 5°25′W) by SM UB-103 ( Imperial German Navy) with the loss of three of her crew.[155]
Glenford  United Kingdom World War I: The coaster was shelled and sunk in the Irish Sea 24 nautical miles (44 km) east of Rockabill, County Dublin (53°40′N 5°20′W) by SM U-101 ( Imperial German Navy). Her crew survived.[156]
Kassanga  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 23 nautical miles (43 km) south east by south of the South Arklow Lightship ( United Kingdom) (52°27′N 5°26′W) by SM U-103 ( Imperial German Navy). Her crew survived.[157]
Matteo Renato Imbriani  Italy World War I: The cargo ship struck a mine and sank in the Mediterranean Sea 6 nautical miles (11 km) south west of the Île du Planier, Bouches-du-Rhône, France by SM UC-67 ( Imperial German Navy).[158]
Saint Dimitrios  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 50 nautical miles (93 km) north by east of Port Said by SM U-33 ( Imperial German Navy). Her crew survived.[3][159]
Samoset  United Kingdom World War I: The tanker was torpedoed and sunk in the Mediterranean Sea 50 nautical miles (93 km) east north east of Port Said by SM U-33 ( Imperial German Navy) with the loss of three crew.[3][160]
Yochow  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 54 nautical miles (100 km) north by east of Port Said by SM U-33 ( Imperial German Navy) with the loss of 50 crew.[3][161]

21 March
List of shipwrecks: 21 March 1918
ShipCountryDescription
SMS A7  Imperial German Navy World War I: The A1-class torpedo boat was shelled and sunk in the North Sea off Zeebrugge, West Flanders, Belgium by HMS Morris ( Royal Navy) and/or Bouclier and Capitaine Mehl (both  French Navy) with the loss of 23 of her crew.[1][162]
SMS A10  Imperial German Navy World War I: The destroyer was rammed and sunk in the North Sea off Zeebrugge by HMS Botha ( Royal Navy).[162]
Begonia  United Kingdom World War I: The collier was torpedoed and sunk in the Atlantic Ocean 44 nautical miles (81 km) north of Wolf Rock, Cornwall (49°13′N 5°40′W) by SM UB-55 ( Imperial German Navy). Her crew survived.[3][27][163]
Dante C  Italy World War I: The vessel was sunk in the Gulf of Naples by SM UB-49 ( Imperial German Navy).[164]
Ikeda  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 7 nautical miles (13 km) west of the Brighton Lightship ( United Kingdom) by SM UB-40 ( Imperial German Navy). Her crew survived.[3][165]
Termini  Italy World War I: The cargo ship was torpedoed and sunk in the Aegean Sea off Milos, Greece (36°49′N 24°21′E) by SM UC-37 ( Imperial German Navy).[166]
Tyrhaug  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 10 nautical miles (19 km) north east of the Pendeen Lighthouse, Cornwall (50°19′N 5°36′W) by SM UB-103 ( Imperial German Navy) with the loss of two of her crew.[167]

22 March
List of shipwrecks: 22 March 1918
ShipCountryDescription
HMS Gaillardia  Royal Navy World War I: The Aubrietia-class sloop struck a mine and sank in the North Sea.[168]
HMT J. C. P.  Royal Navy The naval trawler was lost on this date.[27]
Polleon  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 3 nautical miles (5.6 km) east north east of the mouth of the River Tyne by SM UB-78 ( Imperial German Navy) with the loss of four of her crew.[3][169]
Saint Jean II  France World War I: The cargo ship was sunk in the Mediterranean Sea 61 nautical miles (113 km) north west of Cape Bon, Algeria (37°56′N 10°49′E) by SM UB-50 ( Imperial German Navy). Her crew survived.[170]
San Giuseppe C.  Italy World War I: The sailing vessel was sunk in the Mediterranean Sea south of Sardinia by SM UC-67 ( Imperial German Navy).[171]
Trinidad  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 12 nautical miles (22 km) east of the Codling Bank Lightship ( United Kingdom) by SM U-101 ( Imperial German Navy) with the loss of 39 crew.[3][172]

23 March
List of shipwrecks: 23 March 1918
ShipCountryDescription
HMS Arno  Royal Navy The destroyer collided with HMS Hope ( Royal Navy) in the Dardanelles (40°14′30″N 26°30′30″E) and sank.
Aulton  United Kingdom World War I: The coaster was torpedoed and sunk in the North Sea 9 nautical miles (17 km) south east by east of Berwick-upon-Tweed, Northumberland by SM UB-83 ( Imperial German Navy) with the loss of two of her crew.[3][173]
Chattahoochee  United States World War I: The cargo ship was torpedoed and sunk in the English Channel 28 nautical miles (52 km) south of Penzance, Cornwall, United Kingdom (49°39′N 5°23′W) by SM UB-55 ( Imperial German Navy). Her crew survived.[174]
Etonian  United Kingdom World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 34 nautical miles (63 km) south by east of the Old Head of Kinsale, County Cork by SM U-61 ( Imperial German Navy) with the loss of seven crew.[175]
Jane Grey  United Kingdom World War I: The schooner was shelled and sunk in the Irish Sea 14 nautical miles (26 km) north west by west of the Smalls Lighthouse by SM U-101 ( Imperial German Navy). Her crew survived.[176]
SMS M36  Imperial German Navy World War I: The Type 1915 minesweeper struck a mine and sank in the North Sea.[177]
Madame Midas  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 38 nautical miles (70 km) west south west of The Lizard, Cornwall (49°27′N 5°28′W) by SM UB-55 ( Imperial German Navy). Her crew survived.[178]
Mar Baltico  Spain World War I: The cargo ship was sunk in the English Channel (49°17′N 5°05′W) by SM UB-55 ( Imperial German Navy).[179]
HMT New Dawn  Royal Navy World War I: The naval trawler struck a mine and sank in the English Channel off The Needles, Isle of Wight with the loss of three of her crew.[180]
Venborg  Norway World War I: The cargo ship was sunk in the Atlantic Ocean 25 nautical miles (46 km) north of Ouessant, Finistère, France (48°55′N 5°02′W) by SM UB-55 ( Imperial German Navy). Her crew survived.[181]

24 March
List of shipwrecks: 24 March 1918
ShipCountryDescription
Anteros  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 16 nautical miles (30 km) west by north of South Stack (53°17′N 5°09′W) by SM UB-103 ( Imperial German Navy) with the loss of two of her crew.[182]
Avala  Italy World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 320 nautical miles (590 km) west of Madeira, Portugal (38°32′N 17°58′W) by SM U-155 ( Imperial German Navy).[183]
Fileur  France World War I: The sailing vessel was sunk in the Atlantic Ocean 40 nautical miles (74 km) north west of the Île de Batz, Finistère by SM UB-55 ( Imperial German Navy).[184]
John G. Walter  United Kingdom World War I: The schooner was shelled and sunk in the Irish Sea 20 nautical miles (37 km) south west of the Smalls Lighthouse by SM U-101 ( Imperial German Navy). Her crew survived.[185]
Jorgina  United Kingdom World War I: The schooner was shelled and sunk in the Atlantic Ocean 360 nautical miles (670 km) north by west of Madeira (38°40′N 18°14′W) by SM U-155 ( Imperial German Navy). Her crew survived.[186]
La Nuova Felice  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-53 ( Imperial German Navy).[187]
Nuova Enio  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-53 ( Imperial German Navy).[188]
O. B. Jennings  United States The tanker collided with War Knight ( United Kingdom) in the English Channel off the Needles Lighthouse, Isle of Wight. She was towed into Sandown Bay where she continued to burn for ten days. The tanker was then torpedoed and sunk by friendly fire. O. B. Jennings was raised, repaired and returned to service. The collision created a massive inferno killed everyone on board.[189]
Partenope  Regia Marina World War I: The Partenope-class minelayer was sunk in the Mediterranean Sea off Bizerta, Algeria (37°53′N 10°10′E) by SM UC-67 ( Imperial German Navy). Her crew survived.[190]
Regina Immacolata  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-53 ( Imperial German Navy).[191]
Tre Sorrelle Salvo  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-53 ( Imperial German Navy).[192]
War Knight  United Kingdom World War I: The cargo ship collided with O. B. Jennings ( United States) in the English Channel off the Needles Lighthouse, Isle of Wight. War Knight then struck a mine and was beached at Freshwater, Isle of Wight, a total loss. The collision created a massive inferno killed all 32 on board.[193][194][195]

25 March
List of shipwrecks: 25 March 1918
ShipCountryDescription
HMT Border Lads  Royal Navy World War I: The naval trawler was torpedoed and sunk in the North Sea 2 nautical miles (3.7 km) off the mouth of the River Tyne by SM UB-78 ( Imperial German Navy) with the loss of four of her crew.[196]
Carlo Splendor  Italy World War I: The sailing vessel was sunk in the Strait of Messina by SM UB-49 ( Imperial German Navy).[197]
Destro  United Kingdom World War I: The coaster was torpedoed and sunk in the Irish Sea 5 nautical miles (9.3 km) south west of the Mull of Galloway, Wigtownshire (54°34′N 4°45′W) by SM U-96 ( Imperial German Navy) with the loss of six of her crew.[3][198]
Francesco Antonio Aiello  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-67 ( Imperial German Navy).[199]
Hercules  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 4 nautical miles (7.4 km) north north west of Flamborough Head, Yorkshire by SM UB-21 ( Imperial German Navy) with the loss of a crew member.[3][200]
L'Iniziatore  Italy World War I: The sailing vessel was sunk in the Strait of Sicily (37°30′N 11°45′W) by SM UC-67 ( Imperial German Navy).[201]
Rio Ave  Portugal World War I: The schooner was shelled and sunk in the Atlantic Ocean 100 nautical miles (190 km) off Madeira (38°33′N 18°08′W) by SM U-155 ( Imperial German Navy).[202]

26 March
List of shipwrecks: 26 March 1918
ShipCountryDescription
Elisabetha  Italy World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-67 ( Imperial German Navy).[203]
RFA Lady Cory-Wright  Royal Fleet Auxiliary World War I: The mine carrier was torpedoed and sunk in the English Channel 14 nautical miles (26 km) off The Lizard, Cornwall by SM UC-17 ( Imperial German Navy) with the loss of 39 of her 40 crew.
SM U-61  Imperial German Navy World War I: The Type U 57 submarine was sunk in the Atlantic Ocean by USS PC-51 ( United States Navy) with the loss of all 36 crew.
Volturno  Italy World War I: The bulk carrier was sunk in the Mediterranean Sea off Bône, Algeria (37°27′N 8°07′E) by SM UB-50 ( Imperial German Navy).[204]

27 March
List of shipwrecks: 27 March 1918
ShipCountryDescription
Allendale  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 52 nautical miles (96 km) south by west of The Lizard, Cornwall (49°50′N 5°50′W) by SM U-101 ( Imperial German Navy with the loss of a crew member.[3][205]
Beira  Portugal World War I: The sailing vessel was sunk in the Atlantic Ocean (34°10′N 14°35′W) by SM U-154 ( Imperial German Navy). Her crew survived.[206]
Carlo P.  Italy World War I: The sailing vessel was sunk in the Mediterranean Sea 30 nautical miles (56 km) north of the Galite Islands, Tunisia by SM UC-54 ( Imperial German Navy).[207]
Castrenzo Coppola  Italy World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Naples by SM UC-53 ( Imperial German Navy).[208]
HMS Kale  Royal Navy World War I: The E-class destroyer struck a naval mine and sank in the North Sea.[1][27]
MB 3, MB 8 and MB 9  Ottoman Navy The MB 1-class motor gunboats were lost on this date.[209]
Watauga  United Kingdom World War I: The schooner was shelled and sunk in the Atlantic Ocean 450 nautical miles (830 km) west by north of Lisbon, Portugal (38°54′N 18°24′W) by SM U-155 ( Imperial German Navy) with the loss of five crew.[210]

28 March
List of shipwrecks: 28 March 1918
ShipCountryDescription
SMS Amrumbank  Imperial German Navy World War I: The Gronland-class Vorpostenboot was sunk by mines off Cape Tachkuna, Estonia.[211][212]
Botha  United Kingdom World War I: The trawler was scuttled in the North Sea 3 nautical miles (5.6 km) east of Whitby, Yorkshire by SM UC-64 ( Imperial German Navy).[66][213]
Brotherly Love  United Kingdom World War I: The trawler was shelled and sunk in the North Sea 6 nautical miles (11 km) east north east of Whitby by SM UC-64 ( Imperial German Navy).[66][214]
City of Winchester  United Kingdom World War I: The ketch was shelled and sunk in the English Channel 10 nautical miles (19 km) north west by west of the Les Hanois Lighthouse, Guernsey, Channel Islands (49°28′N 2°55′W) by SM U-90 ( Imperial German Navy). Her crew survived.[215]
Grampus  United Kingdom The dredger foundered on this date.[216]
Honora  United Kingdom World War I: The fishing vessel was shelled and sunk in the North Sea 6 nautical miles (11 km) east north east of Whitby by SM UC-64 ( Imperial German Navy).[66][217]
Inkosi  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 10 nautical miles (19 km) south west of Burrow Head, Wigtownshire by SM U-96 ( Imperial German Navy) with the loss of three crew.[218]
Noel  United Kingdom World War I: The fishing vessel was shelled and sunk in the North Sea 6 nautical miles (11 km) east north east of Whitby by SM UC-64 ( Imperial German Navy).[66][219]
SMS Polarstern  Imperial German Navy The Vorpostenboot was lost on this date.[220]
SMS Scharbeutz  Imperial German Navy World War I: The Anneliese-class Vorpostenboot was sunk as a blockship.[221]
HMS Tithonus  Royal Navy World War I: The armed boarding steamer was sunk in the North Sea 50 nautical miles (93 km) east of Aberdeen (57°04′N 0°33′W) by SM UB-72 ( Imperial German Navy) with the loss of four of her crew.[222]

29 March
List of shipwrecks: 29 March 1918
ShipCountryDescription
SMS F32  Imperial German Navy The F Type minesweeping boat was lost on this date.[223]
Porto Santo  Portugal The cargo ship foundered in the Aegean Sea off Antimilos, Greece, possibly after striking a mine. Her crew survived.[224]
HMT Swallow  Royal Navy The naval trawler was lost on this date.[23]
T. R. Thompson  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 7 nautical miles (13 km) south of Newhaven, Sussex by SM UB-57 ( Imperial German Navy) with the loss of 33 of her crew.[3][225]

30 March
List of shipwrecks: 30 March 1918
ShipCountryDescription
SMS G87  Imperial German Navy World War I: The G85-class torpedo boat struck a mine and sank in the North Sea with the loss of 43 of her crew.[1]
SMS G93  Imperial German Navy World War I: The G85-class torpedo boat struck a mine and sank in the North Sea with the loss of ten of her crew.[1]
SMS G94  Imperial German Navy World War I: The G85-class torpedo boat struck a mine and sank in the North Sea.[226]
Geraldine  United Kingdom World War I: The fishing smack was shelled and sunk in the Irish Sea 10 nautical miles (19 km) east of Lambay Island, County Dublin by SM U-96 ( Imperial German Navy) with the loss of all five of her crew.[227][228]
Lough Fisher  United Kingdom World War I: The coaster was sunk in the Atlantic Ocean 12 nautical miles (22 km) south south east of Helvick Head, County Waterford by SM U-101 ( Imperial German Navy) with the loss of thirteen crew.[229]
Salaminia Greece World War I: The cargo ship was shelled and sunk in the Irish Sea 13 nautical miles (24 km) south south east of Rockabill (53°27′N 5°32′W) by SM UB-64 ( Imperial German Navy). There were a number of casualties.[230]
Stabil  Norway World War I: The coaster was torpedoed and sunk in the Atlantic Ocean off the Pendeen Lighthouse, Cornwall, United Kingdom (50°19′N 5°36′W) by SM U-46 ( Imperial German Navy) with the loss of nine crew.[231]
St. Michan  United Kingdom World War I: The fishing vessel was shelled and sunk in the Irish Sea 10 nautical miles (19 km) east of Lambay Island by SM U-96 ( Imperial German Navy). Her crew survived.[232]
Vafos  Norway World War I: The cargo ship was sunk in the North Sea 35 nautical miles (65 km) south west by west of the Marstenen Lighthouse by SM UB-72 ( Imperial German Navy) with the loss of four of her crew.[233]

31 March
List of shipwrecks: 31 March 1918
ShipCountryDescription
Celtic  United Kingdom World War I: The ocean liner was torpedoed and damaged in the Irish Sea 11 nautical miles (20 km) south of the Isle of Man by SM UB-77 ( Imperial German Navy) with the loss of six lives. She was beached but was later refloated, repaired and returned to service.[234]
Conargo  United Kingdom World War I: The cargo ship was torpedoed and damaged in the Irish Sea 12 nautical miles (22 km)) west by north of the Calf of Man, Isle of Man (54°02′N 5°11′W) by SM U-96 ( Imperial German Navy). She was torpedoed again the next day and sunk with the loss of nine of her crew (53°33′N 4°50′W).[235]
Excellence Pleske  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 2.5 nautical miles (4.6 km) south south east of Dungeness, Kent by SM UB-57 ( Imperial German Navy) with the loss of thirteen of her crew.[3][236]
Immacolata  Italy World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Bari Sardo, Sardinia by SM UC-35 ( Imperial German Navy).[237]
Indien  Denmark World War I: The cargo ship was sunk in the Atlantic Ocean (40°40′N 28°15′W) by SM U-152 ( Imperial German Navy) with the loss of 29 crew.[238]
La Loire  France World War I: The cargo ship was sunk in the Mediterranean Sea north east of Alexandria, Egypt by SM U-33 ( Imperial German Navy).[239]
San Nicola  United Kingdom World War I: The sailing vessel was shelled and sunk in the Mediterranean Sea 18 nautical miles (33 km) east north east of Valletta, Malta by SM UC-52 ( Imperial German Navy).[3][240]
Slieve Bloom  United Kingdom The ferry collided with the destroyer USS Stockton ( United States Navy) and sank with the loss of one life.[241]
Vianna  United Kingdom World War I: The coaster was torpedoed and sunk in the North Sea 4 nautical miles (7.4 km) east of Seaham Harbour, County Durham (54°50′N 1°12′W) by SM UC-64 ( Imperial German Navy) with the loss of four of her crew.[3][242]

Unknown date
List of shipwrecks: Unknown date 1918
ShipCountryDescription
Angelo Raffaele  Italy World War I: The vessel was sunk in the Gulf of Naples between 19 and 21 March by SM UB-49 ( Imperial German Navy).[243]
Avé Maria  France The schooner sprang a leak and foundered in early March. Her crew were rescued.[16]
Cecil L. Shave  United Kingdom World War I: The sailing vessel was sunk in the Atlantic Ocean off the Azores, Portugal by a Kaiserliche Marine submarine.[3]
USS Cyclops  United States Navy The Proteus-class collier foundered in the Bermuda Triangle some time after 4 March with the loss of all 306 passengers and crew.
Lottie A. Silver  United Kingdom The schooner foundered in the Atlantic Ocean in early March.[8]

References
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  41. "Elector". Uboat.net. Retrieved 26 October 2012.
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  94. "Adine". Uboat.net. Retrieved 3 November 2012.
  95. "A. E. Whyland". Uboat.net. Retrieved 26 October 2012.
  96. "Anro Mendi". Uboat.net. Retrieved 29 December 2012.
  97. "Crayford". Uboat.net. Retrieved 8 October 2012.
  98. "Londonier". Uboat.net. Retrieved 27 December 2012.
  99. "San Francesco Di Paola". Uboat.net. Retrieved 9 November 2012.
  100. "Tweed". Uboat.net. Retrieved 11 November 2012.
  101. "Wegadesk". Uboat.net. Retrieved 27 October 2012.
  102. "A. A. Raven". Uboat.net. Retrieved 10 November 2012.
  103. "HMT Agate". Uboat.net. Retrieved 27 December 2012.
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  105. "Ardandearg". Uboat.net. Retrieved 20 December 2012.
  106. "Arpillao". Uboat.net. Retrieved 27 October 2012.
  107. "Carla". Uboat.net. Retrieved 3 November 2012.
  108. "Castleford". Uboat.net. Retrieved 10 December 2012.
  109. "Jeanne". Uboat.net. Retrieved 25 December 2012.
  110. "Jeanne Marie". Uboat.net. Retrieved 16 December 2012.
  111. "Principessa Laetitia". Uboat.net. Retrieved 9 November 2012.
  112. "Tweed". Uboat.net. Retrieved 29 December 2012.
  113. "Venezuela". Uboat.net. Retrieved 11 November 2012.
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  115. "Allessandra". Uboat.net. Retrieved 26 October 2012.
  116. "Amazon". Uboat.net. Retrieved 25 October 2012.
  117. "Armonia". Uboat.net. Retrieved 25 December 2012.
  118. "Clan Macdonald (sic)". Uboat.net. Retrieved 9 November 2012. Note - Clan Macdonald (1897) survived the war.
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  120. "Sparkling Foam". Uboat.net. Retrieved 3 November 2012.
  121. "UB 106". Uboat.net. Retrieved 15 November 2012.
  122. "Ellaston". Uboat.net. Retrieved 26 October 2012.
  123. "Lightfoot". Uboat.net. Retrieved 2 November 2012.
  124. "Oilfield". Uboat.net. Retrieved 22 October 2012.
  125. "Quintero". Uboat.net. Retrieved 3 November 2012.
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  127. "Anne Yvonne". Uboat.net. Retrieved 10 November 2012.
  128. "Arvor". Uboat.net. Retrieved 10 November 2012.
  129. "Beata". Uboat.net. Retrieved 10 November 2012.
  130. "Cressida". Uboat.net. Retrieved 25 October 2012.
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  132. "Eliza Anne". Uboat.net. Retrieved 29 December 2012.
  133. "Fuadalquivir". Uboat.net. Retrieved 26 October 2012.
  134. "Ivydene". Uboat.net. Retrieved 10 November 2012.
  135. "Sea Gull". Uboat.net. Retrieved 25 October 2012.
  136. "South Western". Uboat.net. Retrieved 11 November 2012.
  137. "Tripoli". Uboat.net. Retrieved 9 November 2012.
  138. "Waihemo". Uboat.net. Retrieved 8 December 2012.
  139. "Atlantic Sun". Uboat.net. Retrieved 8 October 2012.
  140. "Baygitano". Uboat.net. Retrieved 30 December 2012.
  141. "John H. Barry". Uboat.net. Retrieved 10 November 2012.
  142. "Massilia". Uboat.net. Retrieved 1 December 2012.
  143. "Prometeo". Uboat.net. Retrieved 27 October 2012.
  144. "Reidar". Uboat.net. Retrieved 27 October 2012.
  145. "Saldanha". Uboat.net. Retrieved 10 November 2012.
  146. "Utrecht". Uboat.net. Retrieved 9 November 2012.
  147. "Burnstone". Uboat.net. Retrieved 11 November 2012.
  148. "Giovanni Albanesi". Uboat.net. Retrieved 9 November 2012.
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  150. "San Francesco Di Paolo". Uboat.net. Retrieved 9 November 2012.
  151. "Luxor". Uboat.net. Retrieved 10 November 2012.
  152. "Antonios M. Theophilatos". Uboat.net. Retrieved 1 October 2012.
  153. "Azemmour". Uboat.net. Retrieved 11 November 2012.
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  155. "Eros". Uboat.net. Retrieved 13 November 2012.
  156. "Glenford". Uboat.net. Retrieved 25 October 2012.
  157. "Kassanga". Uboat.net. Retrieved 25 October 2012.
  158. "Matteo Renato Imbriani". Uboat.net. Retrieved 25 December 2012.
  159. "Saint Dimitrios". Uboat.net. Retrieved 1 October 2012.
  160. "Samoset". Uboat.net. Retrieved 1 October 2012.
  161. "Yochow". Uboat.net. Retrieved 1 October 2012.
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  163. "Begonia". Uboat.net. Retrieved 10 November 2012.
  164. "Dante C". Uboat.net. Retrieved 9 November 2012.
  165. "Ikeda". Uboat.net. Retrieved 6 November 2012.
  166. "Termini". Uboat.net. Retrieved 8 December 2012.
  167. "Tyrhaug". Uboat.net. Retrieved 13 November 2012.
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  169. "Polleon". Uboat.net. Retrieved 12 November 2012.
  170. "Saint Jean II". Uboat.net. Retrieved 9 November 2012.
  171. "San Giuseppe C." Uboat.net. Retrieved 25 December 2012.
  172. "Trinidad". Uboat.net. Retrieved 25 October 2012.
  173. "Aulton". Uboat.net. Retrieved 12 November 2012.
  174. "Chattahoochee". Uboat.net. Retrieved 10 November 2012.
  175. "Etonian". Uboat.net. Retrieved 14 October 2012.
  176. "Jane Grey". Uboat.net. Retrieved 25 October 2012.
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  178. "Madame Midas". Uboat.net. Retrieved 10 November 2012.
  179. "Mar Baltico". Uboat.net. Retrieved 10 November 2012.
  180. "HMD New Dawn". Uboat.net. Retrieved 25 November 2012.
  181. "Venborg". Uboat.net. Retrieved 10 November 2012.
  182. "Anteros". Uboat.net. Retrieved 13 November 2012.
  183. "Avala". Uboat.net. Retrieved 27 October 2012.
  184. "Fileur". Uboat.net. Retrieved 10 November 2012.
  185. "John G. Walter". Uboat.net. Retrieved 25 October 2012.
  186. "Jorgina". Uboat.net. Retrieved 27 October 2012.
  187. "La Nuova Felice". Uboat.net. Retrieved 19 December 2012.
  188. "Nuova Enio". Uboat.net. Retrieved 19 December 2012.
  189. "O. B. Jennings (+1918)". Wrecksite. Retrieved 24 September 2020.
  190. "Partenope (rin)". Uboat.net. Retrieved 25 December 2012.
  191. "Regina Immacolata". Uboat.net. Retrieved 19 December 2012.
  192. "Tre Sorrelle Salvo". Uboat.net. Retrieved 19 December 2012.
  193. "War Knight". Uboat.net. Retrieved 25 November 2012.
  194. "O. B. Jennings (+1918)". Wrecksite. Retrieved 24 September 2020.
  195. "War Knight (+1918)". Wrecksite. Retrieved 24 September 2020.
  196. "Border Lads". Uboat.net. Retrieved 12 November 2012.
  197. "Carlo Splendor". Uboat.net. Retrieved 9 November 2012.
  198. "Destro". Uboat.net. Retrieved 24 October 2012.
  199. "Francesco Antonion Aiello". Uboat.net. Retrieved 25 December 2012.
  200. "Hercules". Uboat.net. Retrieved 31 October 2012.
  201. "L'iniziatore". Uboat.net. Retrieved 25 December 2012.
  202. "Rio Ave". Uboat.net. Retrieved 27 October 2012.
  203. "Elisabetha". Uboat.net. Retrieved 25 December 2012.
  204. "Volturno". Uboat.net. Retrieved 9 November 2012.
  205. "Allendale". Uboat.net. Retrieved 25 October 2012.
  206. "Beira". Uboat.net. Retrieved 26 October 2012.
  207. "Carlo P." Uboat.net. Retrieved 20 December 2012.
  208. "Castrenzo Coppola". Uboat.net. Retrieved 19 December 2012.
  209. "MB 1 Patrol Motor Launches, Coastal Forces, Ottoman/Turkish Navy". Navypedia. Retrieved 22 June 2018.
  210. "Watauga". Uboat.net. Retrieved 27 October 2012.
  211. "Gronland Patrols (1914-1916), Escorts, Kaiserliche Marine (Germany)". Navypedia. Retrieved 13 September 2018.
  212. "Soviet Naval Battles during Civil War (Redone)". Soviet-Empire. Retrieved 13 September 2018.
  213. "Botha". Uboat.net. Retrieved 23 December 2012.
  214. "Brotherly Love". Uboat.net. Retrieved 23 December 2012.
  215. "City of Winchester". Uboat.net. Retrieved 22 October 2012.
  216. "Shipping Casualties". The Times (41754). London. 3 April 1918. col D, p. 3.
  217. "Honora". Uboat.net. Retrieved 23 December 2012.
  218. "Inkosi". Uboat.net. Retrieved 24 October 2012.
  219. "Noel". Uboat.net. Retrieved 23 December 2012.
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  221. "Anneliese Patrols (1916-1917), Escorts, Kaiserliche Marine (Germany)". Navypedia. Retrieved 14 September 2018.
  222. "Tithonus". Uboat.net. Retrieved 12 November 2012.
  223. "F Type minesweeping boats (1915-1919), Mine Warfare ships, German Navy". Navypedia. Retrieved 28 September 2018.
  224. "Porto Santo". Uboat.net. Retrieved 8 December 2012.
  225. "T. R. Thompson". Uboat.net. Retrieved 10 November 2012.
  226. "G85 Large Torpedo Boats (1915-1916), Torpedo Ships, Kaiserliche Marine (Germany)". Navypedia. Retrieved 25 September 2018.
  227. "Geraldine". Uboat.net. Retrieved 24 October 2012.
  228. "Fishing boats sunk by submarine". The Times (41754). London. 3 April 1918. col C, p. 3.
  229. "Lough Fisher". Uboat.net. Retrieved 25 October 2012.
  230. "Salaminia". Uboat.net. Retrieved 11 November 2012.
  231. "Stabil". Uboat.net. Retrieved 8 October 2012.
  232. "St. Michan". Uboat.net. Retrieved 24 October 2012.
  233. "Vafos". Uboat.net. Retrieved 12 November 2012.
  234. "Celtic". Uboat.net. Retrieved 12 November 2012.
  235. "Conargo". Uboat.net. Retrieved 24 October 2012.
  236. "Excellence Pleske". Uboat.net. Retrieved 10 November 2012.
  237. "Immacolata". Uboat.net. Retrieved 7 December 2012.
  238. "Indien". Uboat.net. Retrieved 26 October 2012.
  239. "La Loire". Uboat.net. Retrieved 1 October 2012.
  240. "San Nicola". Uboat.net. Retrieved 18 December 2012.
  241. "The loss of the Slieve Bloom"". The Times (41753). London. 2 April 1918. col A, p. 3.
  242. "Vianna". Uboat.net. Retrieved 23 December 2012.
  243. "Angelo Raffaele". Uboat.net. Retrieved 9 November 2012.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
Ship events in 1918
Ship launches: 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
Ship commissionings: 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
Ship decommissionings: 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
Shipwrecks: 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
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