World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 40 nautical miles (74 km) north by west of Port Said, Egypt by SM U-65 (Imperial German Navy). Her crew survived.[3][11]
Norway
World War I: The cargo ship was scuttled in the Atlantic Ocean 360 nautical miles (670 km) north of the Azores, Portugal by SM U-155 (Imperial German Navy). Her crew survived.[12]
The cargo ship departed from Brest, Finistère, France for Cardiff, Glamorgan, United Kingdom. No further trace, presumed foundered with the loss of all hands.[14]
World War I: The cargo ship was sunk in the Bristol Channel 18 nautical miles (33 km) south of Lundy Island, Devon, United Kingdom by SM UB-125 (Imperial German Navy) with the loss of all twelve of her crew.[18]
World War I: The trawler was scuttled in the Atlantic Ocean off Peniche by SM U-22 (Imperial German Navy).[21]
Portugal
World War I: The tug was shelled and sunk in the Atlantic Ocean off Lisbon by SM U-22 (Imperial German Navy).[22]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 33 nautical miles (61 km) south by west of The Lizard, Cornwall by SM U-53 (Imperial German Navy) with the loss of eleven crew.[3][23]
5 September[]
List of shipwrecks: 5 September 1918
Ship
Country
Description
Soviet NavyRed Movement
Russian Civil War: The gunboat was shelled and sunk at Kazan on the Volga River by White Movement or Czech Legion artillery.[24]
Portugal
World War I: The schooner was damaged by scuttling charges in the Atlantic Ocean 40 nautical miles (74 km) off Land's End, Cornwall, United Kingdom. The charges were placed by SM U-53 (Imperial German Navy). She was towed to the Isles of Scilly and beached. Despite being placed under guard, some of her cargo of port was liberated by the locals.[25]
The United Fruit Company passenger-cargo ship sank in the Atlantic Ocean after colliding with the tanker USS Hisko (United States Navy) 16 nautical miles (30 km) off the coast of New Jersey near Atlantic City at approximately (39°21′N74°13′W / 39.350°N 74.217°W / 39.350; -74.217 (Amirante)). All but five to seven of the 105 passengers and crew survived.[26][27][28]
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 2.25 nautical miles (4.17 km) west by south of Tintagel Head, Cornwall (50°30′N4°52′W / 50.500°N 4.867°W / 50.500; -4.867) by SM UB-87 (Imperial German Navy) with the loss of two of her crew.[30][31]
The collier collided with (Royal Navy) and sank in the Pacific Ocean off the coast of Peru. Her crew were rescued by HMS Orbita.[38][39]
United Kingdom
World War I: The cargo ship was accidentally shelled by a French steamer, she caught fire and sank 1.5 miles (2.4 km) south west of Longships, Cornwall.[40]
Helvetia
Norway
World War I: The sailing vessel was sunk in the North Sea 22 nautical miles (41 km) west south west of Lindesnes, Vest-Agder by SM U-80 (Imperial German Navy). Her crew survived.[41]
World War I: The cargo ship was sunk in the North Sea 1 nautical mile (1.9 km) north of Scarborough, Yorkshire, United Kingdom by SM UB-80 (Imperial German Navy) with the loss of six of her crew.[43]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) off the coast of the United States by SM U-155 (Imperial German Navy).[48]
World War I: The coaster was torpedoed and sunk in the Irish Sea of Corsewall Point, Wigtownshire by SM UB-64 (Imperial German Navy) with the loss of ten of her crew.[51]
United Kingdom
World War I: The coaster was torpedoed and sunk in the Irish Sea 7 nautical miles (13 km) north east of by SM UB-64 (Imperial German Navy) with the loss of four of her crew.[52]
United Kingdom
World War I: The passenger ship was torpedoed and sunk in the Irish Sea 9 nautical miles (17 km) north west of Stranraer, Wigtownshire by SM UB-64 (Imperial German Navy) with the loss of nine of her crew.[3][53]
World War I: The sailing vessel was sunk in the Mediterranean Sea 10 nautical miles (19 km) south east of Paphos by SM U-27 (Austro-Hungarian Navy). Her crew survived.[54]
World War I: The coaster was torpedoed and sunk in the English Channel 15 nautical miles (28 km) south of Portland Bill by SM UB-104 (Imperial German Navy) with the loss of 21 of her crew.[3][56]
Ioanna No.45
United Kingdom
World War I: The sailing vessel was sunk in the Mediterranean Sea by SM U-65 (Imperial German Navy).[57]
Soviet Navy
Russian Civil War: Allied Intervention in the Russian Civil War; The gunboat was shelled and sunkin the Dvina River by British Monitors. 18 crewmen killed, 5 rescued, 7 POW.[24]
World War I: The Type UB IIIsubmarine departed Zeebrugge, West Flanders, Belgium on patrol. No further trace, lost with all 39 crew.[59]
Unknown boat
Soviet NavyRed Movement
Russian Civil War: The minelaying boat was run aground and abandoned on the Volga River.[24]
15 September[]
List of shipwrecks: 15 September 1918
Ship
Country
Description
Ioanna No.37
United Kingdom
World War I: The sailing vessel was sunk in the Mediterranean Sea by SM U-65 (Imperial German Navy).[60]
Energy
United Kingdom
World War I: The sailing vessel was shelled and sunk in the Irish Sea 14 nautical miles (26 km) east south east of the (United Kingdom) by SM UB-64 (Imperial German Navy).[3][61]
United Kingdom
World War I: The two-masted schooner was shelled and sunk in the Irish Sea 16 nautical miles (30 km) east north east of the (United Kingdom) by SM UB-64 (Imperial German Navy).[62]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the English Channel 4 nautical miles (7.4 km) south east of Berry Head, Devon by SM UB-104 (Imperial German Navy) with the loss of eighteen of her crew.[3][63]
United Kingdom
World War I: The ketch was shelled and sunk in the Irish Sea 14 nautical miles (26 km) east south east of the (United Kingdom) by SM UB-64 (Imperial German Navy).[64]
World War I: : The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) north west of Spain (44°36′N13°10′W / 44.600°N 13.167°W / 44.600; -13.167) by SM UB-129 (Imperial German Navy) with the loss of eighteen of her crew.[66] Survivors were rescued by Lola (Spain) and (French Navy).
Soviet Union
Russian Civil War: Allied Intervention in the Russian Civil War; The ship was lost to enemy action.[24]
United Kingdom
World War I: The cargo ship was torpedoed and sunk in the English Channel 8 nautical miles (15 km) south east of Berry Head, Devon by SM UB-104 (Imperial German Navy). Her crew survived.[3][67]
HMS Glatton
Royal Navy
The Gorgon-class monitor caught fire at Dover, Kent and was scuttled by HMS Cossack and (both Royal Navy) with the loss of 79 of her 305 crew.
World War I: The cargo ship was torpedoed and sunk in the Irish Sea 13.5 nautical miles (25.0 km) north east of Strumble Head, Pembrokeshire by SM UB-64 (Imperial German Navy) with the loss of seventeen crew.[3][72]
World War I: The cargo liner was torpedoed and sunk in the Atlantic Ocean 220 nautical miles (410 km) north by west of Cape Villano, Spain by SM U-46 (Imperial German Navy) with the loss of fourteen crew.[3][73]
The cargo ship sprung a leak on her maiden voyage 250 miles (400 km) south of Magdalena Bay and was abandoned. She eventually drifted ashore off near Mazatlan, Mexico a total loss.[75][76]
Cairo
Egypt
World War I: The sailing vessel was shelled and sunk in the Mediterranean Sea by an enemy submarine.[3]
United States
The steamer sank south west of the tip of Baja California.[77]
Sweden
World War I: The cargo ship sank after an explosion in the North Sea, south of Longstone, while in convoy. Whether it was a torpedo or mine is unknown. Her crew survived.[78]
Russian Civil War: The gunboat was grounded in a trap and then shelled by artillery and abandoned on the Kama River. One crewman was killed, another was wounded, and three were captured.[24]
World War I: The cargo ship was torpedoed and sunk in the Irish Sea 9 nautical miles (17 km) west of the Chicken Rock Lighthouse, Isle of Man by SM UB-64 (Imperial German Navy) with the loss of 30 crew.[95]
Belliqueux
France
World War I: The vessel struck a mine and sank in the Bay of Biscay 1 nautical mile (1.9 km) off the , Île de Sein, Finistère.[96]
The Max Kochen-class Vorpostenboot capsized and sank in a storm off Helgoland.[111]
21 September[]
List of shipwrecks: 21 September 1918
Ship
Country
Description
United Kingdom
World War I: The coaster was shelled and sunk in the Irish Sea 8 nautical miles (15 km) west of Rockabill by SM UB-64 (Imperial German Navy). Her crew survived.[3][112]
Santo Fortunato
Italy
World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UB-105 (Imperial German Navy).[113]
United Kingdom
World War I: The coaster was torpedoed and sunk in the North Sea 1.5 nautical miles (2.8 km) south east by south of Sunderland, County Durham by SM UB-115 (Imperial German Navy) with the loss of four of her crew.[3][114]
World War I: The cargo ship was torpedoed and sunk in the English Channel 5 nautical miles (9.3 km) east south east of Dartmouth, Devon by SM UB-104 or SM UB-113 (both Imperial German Navy) with the loss of a crew member.[120]
World War I: The sailing vessel was sunk in the Atlantic Ocean approximately 200 nautical miles (370 km) south west of the Isles of Scilly, United Kingdom by SM U-46 (Imperial German Navy).[124]
World War I: : The was torpedoed and sunk in the Bristol Channel50°40′N6°19′W / 50.667°N 6.317°W / 50.667; -6.317 by SM UB-91 (Imperial German Navy) with the loss of all hands. The numbers of the casualties vary; 131, or 111 Coast Guard, 8 US Navy and some civilian dock workers, or 112 US Navy, 10 Royal Navy and 5 dock workers.[93]
27 September[]
List of shipwrecks: 27 September 1918
Ship
Country
Description
En Avant
France
World War I: The sailing vessel was sunk in the Atlantic Ocean 45 nautical miles (83 km) north of Ouessant, Finistère by SM U-54 (Imperial German Navy).[129]
World War I: The cargo ship was torpedoed and sunk in the Irish Sea 9 nautical miles (17 km) east of the (United Kingdom) by SM UB-91 (Imperial German Navy) with the loss of two of her crew.[131]
Benha
Egypt
World War I: The sailing vessel was shelled and sunk in the Mediterranean Sea off by an enemy submarine.[3]
Rye Cliff
United States
The 137-foot (42 m) sidewheel paddle steamer, a ferry, was destroyed by fire while moored at a pier just off Sea Cliff Park in Sea Cliff, Long Island, New York.[132]
Sarasota
United States
The dredge was blown ashore in a gale, probably at Port Sponge, Florida. The vessel was refloated the next day.[133]
World War I: The Connecticut-classbattleship struck a mine in the Atlantic Ocean 20 nautical miles (37 km) off the Fenwick Island Lighthouse, Delaware and was severely damaged. She was subsequently repaired and returned to service.
World War I: The cargo ship was torpedoed and sunk in the Irish Sea 10 nautical miles (19 km) north west by west of the Corsewall Lighthouse, Wigtownshire by SM UB-95 (Imperial German Navy) with the loss of thirteen of her crew.[3][135]
World War I: The transport ship was shelled, torpedoed and sunk in the Atlantic Ocean (43°05′N38°43′W / 43.083°N 38.717°W / 43.083; -38.717) by SM U-152 (Imperial German Navy) with the loss of 213 of the 237 people on board, 112 crew and 101 troops. Two of the survivors were taken as prisoners of war, the rest were rescued by (United Kingdom).[93]
World War I: The Type UB IIIsubmarine struck a mine and sank in the Atlantic Ocean south of Fair Isle, United Kingdom with the loss of all 34 crew.[143]
Unknown date[]
List of shipwrecks: Unknown date 1918
Ship
Country
Description
United States
The cargo ship either sprung a leak 250 miles (400 km) south of Magdalena Bay on 17 September, eventually drifting ashore at Mazatlán, Mexico a total loss, or foundered 125 miles (201 km) off in a hurricane on 26 September.[144][145]
^"American Marine Engineer April, 1919". National Marine Engineers Beneficial Association of the United States. Retrieved 26 August 2020 – via Haithi Trust.