This is the full listing of all ships hit during January 1918. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
| |
| 1 Jan 1918 | k.u.k. U40 | Johann Krsnjavi | | Sandon Hall | 5,134 |  | br |
| 1 Jan 1918 | UB 33 | Fritz Gregor | | Genesee (d.) | 2,892 |  | br |
| 1 Jan 1918 | UB 50 | Franz Becker | | Egyptian Transport (d.) | 4,648 |  | br |
| 1 Jan 1918 | UC 58 | Karl Vesper | | Eriksholm | 2,632 |  | sw |
| 2 Jan 1918 | U 19 | Johannes Spieß | | Nadejda | 3,849 |  | ru |
| 2 Jan 1918 | U 91 | Alfred von Glasenapp | | Boston City | 2,711 |  | br |
| 2 Jan 1918 | U 93 | Helmut Gerlach | | Veda | 25 |  | br |
| 2 Jan 1918 | U 95 | Athalwin Prinz | | Christos Markettos | 3,084 |  | it |
| 2 Jan 1918 | U 95 | Athalwin Prinz | | Gallier | 4,592 |  | br |
| 2 Jan 1918 | U 95 | Athalwin Prinz | | Kingsley (d.) | 633 |  | br |
| 3 Jan 1918 | U 61 | Victor Dieckmann | | Birchwood | 2,756 |  | br |
| 3 Jan 1918 | UB 30 | Wilhelm Rhein | | Gartland | 2,613 |  | br |
| 3 Jan 1918 | UB 50 | Franz Becker | | Allanton | 4,253 |  | br |
| 3 Jan 1918 | UB 50 | Franz Becker | | Steelville | 3,649 |  | br |
| 3 Jan 1918 | UC 49 | Hans Kükenthal | | Blackwhale | 237 |  | br |
| 3 Jan 1918 | UC 75 | Johannes Lohs | | Asborg | 2,750 |  | nw |
| 4 Jan 1918 | U 55 | Wilhelm Werner | | Rewa | 7,305 |  | br |
| 4 Jan 1918 | U 91 | Alfred von Glasenapp | | Otto | 139 |  | br |
| 4 Jan 1918 | U 93 | Helmut Gerlach | | Goeland I (mn - Ams) | 235 |  | fr |
| 4 Jan 1918 | UC 20 | Otto Kümpel | | Regina Elena | 7,940 |  | it |
| 4 Jan 1918 | UC 75 | Johannes Lohs | | Day Spring | 39 |  | br |
| 4 Jan 1918 | UC 75 | Johannes Lohs | | Gratitude | 40 |  | br |
| 4 Jan 1918 | UC 75 | Johannes Lohs | | Varuna | 40 |  | br |
| 5 Jan 1918 | U 55 | Wilhelm Werner | | War Baron | 6,240 |  | br |
| 5 Jan 1918 | U 61 | Victor Dieckmann | | Rose Marie | 2,220 |  | br |
| 5 Jan 1918 | U 63 | Kurt Hartwig | | Rio Claro | 3,687 |  | br |
| 5 Jan 1918 | U 91 | Alfred von Glasenapp | | Knightsgarth | 2,889 |  | br |
| 5 Jan 1918 | UB 30 | Wilhelm Rhein | | Glenarm Head | 3,908 |  | br |
| 5 Jan 1918 | UB 38 | Günther Bachmann | | Birtley | 1,438 |  | br |
| 5 Jan 1918 | UC 75 | Johannes Lohs | | Iolanthe | 3,081 |  | br |
| 6 Jan 1918 | U 22 | Hinrich Hermann Hashagen | | St. Mathieu | 175 |  | fr |
| 6 Jan 1918 | U 61 | Victor Dieckmann | | Halberdier | 1,049 |  | br |
| 6 Jan 1918 | U 61 | Victor Dieckmann | | Spenser | 4,186 |  | br |
| 6 Jan 1918 | U 93 | Helmut Gerlach | | Dagny | 1,220 |  | da |
| 6 Jan 1918 | U 93 | Helmut Gerlach | | Harry Luckenbach | 2,798 |  | am |
| 6 Jan 1918 | U 93 | Helmut Gerlach | | Henri Le Cour | 2,488 |  | fr |
| 6 Jan 1918 | U 93 | Helmut Gerlach | | Kanaris | 3,793 |  | gr |
| 6 Jan 1918 | UC 75 | Johannes Lohs | | Arca (d.) | 4,839 |  | br |
| 7 Jan 1918 | U 110 | Karl Kroll | | Egda | 2,527 |  | nw |
| 7 Jan 1918 | U 157 | Max Valentiner | | Oued Sebou | 1,540 |  | fr |
| 7 Jan 1918 | U 91 | Alfred von Glasenapp | | Premier | 89 |  | br |
| 7 Jan 1918 | UB 50 | Franz Becker | | Arab | 4,191 |  | br |
| 7 Jan 1918 | UC 75 | Johannes Lohs | | Gascony | 3,133 |  | br |
| 7 Jan 1918 | UC 75 | Johannes Lohs | | Leon | 2,401 |  | fr |
| 8 Jan 1918 | U 63 | Kurt Hartwig | | San Guglielmo | 8,145 |  | it |
| 9 Jan 1918 | U 55 | Wilhelm Werner | | Ula | 839 |  | nw |
| 9 Jan 1918 | U 84 | Walter Roehr | | Bayvoe | 2,979 |  | br |
| 10 Jan 1918 | U 156 | Konrad Gansser | | Atlas | 1,813 |  | nl |
| 10 Jan 1918 | U 157 | Max Valentiner | | Hulda Maersk | 1,566 |  | da |
| 10 Jan 1918 | U 84 | Walter Roehr | | Cardiff (d.) | 2,808 |  | br |
| 11 Jan 1918 | | | | Voltaire | 2,651 |  | fr |
| 11 Jan 1918 | U 157 | Max Valentiner | | Norefos | 1,788 |  | nw |
| 11 Jan 1918 | UB 80 | Max Viebeg | | Barsac | 1,806 |  | fr |
| 11 Jan 1918 | UB 80 | Max Viebeg | | Mississipi (d.) | 6,687 |  | fr |
| 12 Jan 1918 | U 79 | Karl Thouret | | Caledonia (d.) | 863 |  | nl |
| 12 Jan 1918 | U 84 | Walter Roehr | | Chateau Laffite | 1,913 |  | fr |
| 12 Jan 1918 | k.u.k. U28 | Zdenko Hudecek | | Bosforo | 2,723 |  | it |
| 12 Jan 1918 | k.u.k. U47 | Otto Molitor | | Mica | 1,264 |  | fr |
| 12 Jan 1918 | UB 30 | Wilhelm Rhein | | Whorlton | 1,469 |  | br |
| 13 Jan 1918 | k.u.k. U28 | Zdenko Hudecek | | Rapallo | 3,811 |  | br |
| 14 Jan 1918 | U 93 | Helmut Gerlach | | Babin Chevaye | 2,174 |  | fr |
| 14 Jan 1918 | UB 62 | Bernhard Putzier | | Alster | 964 |  | br |
| 14 Jan 1918 | UB 80 | Max Viebeg | | Arthur Capel | 822 |  | fr |
| 15 Jan 1918 | | | | Westpolder | 749 |  | nl |
| 15 Jan 1918 | U 63 | Kurt Hartwig | | Bonanova | 933 |  | sp |
| 15 Jan 1918 | U 93 | Helmut Gerlach | | War Song | 2,535 |  | br |
| 16 Jan 1918 | U 55 | Wilhelm Werner | | Genevieve | 1,598 |  | fr |
| 16 Jan 1918 | UC 11 | Ferdinand Schwartz | | John E. Lewis | 253 |  | br |
| 17 Jan 1918 | U 84 | Walter Roehr | | Messidor (d.) | 3,883 |  | br |
| 17 Jan 1918 | UB 66 | Fritz Wernicke | | Windsor Hall | 3,693 |  | br |
| 17 Jan 1918 | UB 80 | Max Viebeg | | Kingsdyke | 1,710 |  | br |
| 17 Jan 1918 | UB 80 | Max Viebeg | | War Thistle (d.) | 5,166 |  | br |
| 18 Jan 1918 | U 63 | Kurt Hartwig | | Maria P. | 263 |  | br |
| 18 Jan 1918 | U 63 | Kurt Hartwig | | Ville De Bordeaux | 4,857 |  | fr |
| 18 Jan 1918 | UC 71 | Ernst Steindorff | | Gambri | 274 |  | br |
| 19 Jan 1918 | U 101 | Carl-Siegfried Ritter von Georg | | St. Clair (d.) | 621 |  | br |
| 19 Jan 1918 | UC 23 | Hans Georg Lübbe | | Trocas | 4,129 |  | br |
| 20 Jan 1918 | U 55 | Wilhelm Werner | | Hirondelle | 28 |  | fr |
| 20 Jan 1918 | UB 35 | Karl Stöter | | Mechanician | 9,044 |  | br |
| 20 Jan 1918 | UC 22 | Carl Bünte | | Louvain | 1,830 |  | br |
| 20 Jan 1918 | UC 64 | Erich Hecht | | Queen Margaret (d.) | 4,972 |  | br |
| 20 Jan 1918 | UC 67 | Karl Neumann | | Faustina B. | 105 |  | it |
| 20 Jan 1918 | UC 71 | Ernst Steindorff | | Harmonides (d.) | 3,521 |  | br |
| 21 Jan 1918 | U 55 | Wilhelm Werner | | Maria Caterina | 71 |  | nl |
| 21 Jan 1918 | k.u.k. U28 | Zdenko Hudecek | | West Wales | 4,336 |  | br |
| 21 Jan 1918 | UC 31 | Kurt Siewert | | Teelin Head | 1,718 |  | br |
| 21 Jan 1918 | UC 58 | Karl Vesper | | Adolph Meyer | 807 |  | sw |
| 22 Jan 1918 | U 63 | Kurt Hartwig | | Anglo-canadian | 4,239 |  | br |
| 22 Jan 1918 | U 63 | Kurt Hartwig | | Manchester Spinner | 4,247 |  | br |
| 22 Jan 1918 | U 90 | Walter Remy | | Corton (d.) | 3,405 |  | br |
| 22 Jan 1918 | U 90 | Walter Remy | | Victor De Chavarri | 2,957 |  | sp |
| 22 Jan 1918 | k.u.k. U27 | Josef Holub | | Andrea Costa | 3,991 |  | it |
| 22 Jan 1918 | UB 31 | Thomas Bieber | | Admiral Cochrane (d.) | 6,565 |  | br |
| 22 Jan 1918 | UB 31 | Thomas Bieber | | Greatham | 2,338 |  | br |
| 22 Jan 1918 | UB 35 | Karl Stöter | | Molina | 1,122 |  | nw |
| 22 Jan 1918 | UB 35 | Karl Stöter | | Serrana | 3,677 |  | br |
| 23 Jan 1918 | U 33 | Gustav Sieß | | Capri (d.) | 3,899 |  | it |
| 23 Jan 1918 | UC 23 | Hans Georg Lübbe | | Birkhall | 4,541 |  | br |
| 23 Jan 1918 | UC 67 | Karl Neumann | | Drome | 3,236 |  | fr |
| 23 Jan 1918 | UC 67 | Karl Neumann | | Kerbihan | 195 |  | fr |
| 23 Jan 1918 | UC 71 | Ernst Steindorff | | Aalesund | 414 |  | nw |
| 24 Jan 1918 | U 33 | Gustav Sieß | | Antonios J. Dracoulis | 3,301 |  | gr |
| 24 Jan 1918 | U 90 | Walter Remy | | Charles | 78 |  | br |
| 24 Jan 1918 | UB 31 | Thomas Bieber | | Elsa | 3,581 |  | nw |
| 24 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | Desire | 165 |  | br |
| 24 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | X110 | 160 |  | br |
| 24 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | X6 | 160 |  | br |
| 24 Jan 1918 | UC 23 | Hans Georg Lübbe | | Aghia Arene | 16 |  | gr |
| 24 Jan 1918 | UC 23 | Hans Georg Lübbe | | Aghios Johannes | 14 |  | gr |
| 24 Jan 1918 | UC 49 | Hans Kükenthal | | Fylgia | 1,741 |  | sw |
| 24 Jan 1918 | UC 49 | Hans Kükenthal | | Jönköping 2 | 1,274 |  | sw |
| 24 Jan 1918 | UC 67 | Karl Neumann | | Corse | 1,160 |  | fr |
| 25 Jan 1918 | U 152 | Constantin Kolbe | | Giralda | 2,194 |  | sp |
| 25 Jan 1918 | U 33 | Gustav Sieß | | Apostoles Andreas | 50 |  | br |
| 25 Jan 1918 | U 65 | Hermann von Fischel | | Giuseppe O. | 74 |  | it |
| 25 Jan 1918 | U 90 | Walter Remy | | Normandy | 618 |  | br |
| 25 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | Folmina | 1,158 |  | nl |
| 25 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | Humber | 280 |  | br |
| 25 Jan 1918 | UB 55 | Ralph Wenninger | | Eastlands | 3,113 |  | br |
| 25 Jan 1918 | UC 22 | Carl Bünte | | Aghios Dimitrios | 50 |  | gr |
| 25 Jan 1918 | UC 53 | Kurt Albrecht | | Carignano | 2,688 |  | it |
| 26 Jan 1918 | U 103 | Claus Rücker | | Cork | 1,232 |  | br |
| 26 Jan 1918 | U 152 | Constantin Kolbe | | Germano | 236 |  | pt |
| 26 Jan 1918 | U 152 | Constantin Kolbe | | Serra Do Gerez | 257 |  | pt |
| 26 Jan 1918 | U 90 | Walter Remy | | Union | 677 |  | fr |
| 26 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | Athos | 1,708 |  | nw |
| 26 Jan 1918 | UB 34 | Hellmuth von Ruckteschell | | Hartley | 1,150 |  | br |
| 26 Jan 1918 | UB 49 | Hans von Mellenthin | | Caterina | 21 |  | it |
| 26 Jan 1918 | UB 55 | Ralph Wenninger | | Manhattan (d.) | 8,001 |  | br |
| 26 Jan 1918 | UB 58 | Werner Fürbringer | | Louise Bell | 118 |  | br |
| 26 Jan 1918 | UC 53 | Kurt Albrecht | | Asimina | 2,878 |  | gr |
| 26 Jan 1918 | UC 64 | Erich Hecht | | May | 24 |  | br |
| 26 Jan 1918 | UC 64 | Erich Hecht | | Rob Roy | 112 |  | br |
| 26 Jan 1918 | UC 67 | Karl Neumann | | Ministro Iriondo | 1,753 |  | ar |
| 27 Jan 1918 | U 152 | Constantin Kolbe | | Julia Frances | 183 |  | am |
| 27 Jan 1918 | U 46 | Leo Hillebrand | | Andania | 13,405 |  | br |
| 27 Jan 1918 | UB 40 | Karl Dobberstein | | Carolus | 1,041 |  | nw |
| 27 Jan 1918 | UB 48 | Wolfgang Steinbauer | | Volonta Di Dio | 43 |  | it |
| 27 Jan 1918 | UB 54 | Egon von Werner | | Nr. 14 | 26 |  | be |
| 27 Jan 1918 | UC 67 | Karl Neumann | | Attilio | 210 |  | it |
| 28 Jan 1918 | U 152 | Constantin Kolbe | | Neptuno | 321 |  | pt |
| 28 Jan 1918 | U 34 | Wilhelm Canaris | | Djibouti | 4,305 |  | fr |
| 28 Jan 1918 | UB 49 | Hans von Mellenthin | | Elsa | 165 |  | it |
| 28 Jan 1918 | UB 49 | Hans von Mellenthin | | Lysi | 247 |  | it |
| 28 Jan 1918 | UB 58 | Werner Fürbringer | | W. H. L. | 97 |  | br |
| 28 Jan 1918 | UC 67 | Karl Neumann | | Urania | 373 |  | it |
| 29 Jan 1918 | U 103 | Claus Rücker | | Glenfruin | 3,097 |  | br |
| 29 Jan 1918 | U 33 | Gustav Sieß | | Taxiarchis | 160 |  | br |
| 29 Jan 1918 | UB 40 | Karl Dobberstein | | Butetown | 1,829 |  | br |
| 29 Jan 1918 | UB 49 | Hans von Mellenthin | | Ada | 179 |  | it |
| 29 Jan 1918 | UB 49 | Hans von Mellenthin | | Fanny | 74 |  | it |
| 29 Jan 1918 | UB 49 | Hans von Mellenthin | | Lavoro | 160 |  | it |
| 29 Jan 1918 | UB 49 | Hans von Mellenthin | | Lucia Martini | 160 |  | it |
| 29 Jan 1918 | UB 49 | Hans von Mellenthin | | Paolo Meriga | 127 |  | it |
| 29 Jan 1918 | UB 54 | Egon von Werner | | De Julia | 13 |  | be |
| 29 Jan 1918 | UB 54 | Egon von Werner | | De Twee Marcels | 13 |  | be |
| 29 Jan 1918 | UB 54 | Egon von Werner | | H. Debra Huysseme | 46 |  | be |
| 29 Jan 1918 | UB 54 | Egon von Werner | | Jean Mathilde | 12 |  | be |
| 29 Jan 1918 | UB 54 | Egon von Werner | | Le Jeune Arthur | 25 |  | be |
| 29 Jan 1918 | UB 54 | Egon von Werner | | Marie | 16 |  | be |
| 29 Jan 1918 | UB 55 | Ralph Wenninger | | Addax | 40 |  | br |
| 29 Jan 1918 | UB 55 | Ralph Wenninger | | General Leman | 45 |  | br |
| 29 Jan 1918 | UB 55 | Ralph Wenninger | | Ibex | 42 |  | br |
| 29 Jan 1918 | UB 55 | Ralph Wenninger | | Perriton | 90 |  | br |
| 29 Jan 1918 | UB 55 | Ralph Wenninger | | Perseverance | 51 |  | br |
| 29 Jan 1918 | UC 31 | Kurt Siewert | | Ethelinda | 3,257 |  | br |
| 29 Jan 1918 | UC 53 | Kurt Albrecht | | Geo | 3,048 |  | br |
| 29 Jan 1918 | UC 54 | Heinrich XXXVII Prinz zu Reuß | | Tosho Maru | 3,038 |  | jp |
| 29 Jan 1918 | UC 67 | Karl Neumann | | Giuseppe B. | 38 |  | it |
| 29 Jan 1918 | UC 67 | Karl Neumann | | Maria S.s. Del Paradiso | 114 |  | it |
| 30 Jan 1918 | U 34 | Wilhelm Canaris | | Maizar | 7,293 |  | br |
| 30 Jan 1918 | U 64 | Robert Moraht | | Minnetonka | 13,528 |  | br |
| 30 Jan 1918 | U 90 | Walter Remy | | Lindeskov | 1,254 |  | da |
| 30 Jan 1918 | UB 48 | Wolfgang Steinbauer | | Harlaw | 821 |  | it |
| 30 Jan 1918 | UB 52 | Otto Launburg | | Empress Ekaterina Ii | 5,545 |  | ru |
| 30 Jan 1918 | UB 54 | Egon von Werner | | Ferryhill | 411 |  | br |
| 30 Jan 1918 | UB 55 | Ralph Wenninger | | Wellholme | 113 |  | br |
| 30 Jan 1918 | UC 48 | Kurt Ramien | | Ange Gardien | 214 |  | fr |
| 30 Jan 1918 | UC 53 | Kurt Albrecht | | Fratelli Barrera | 88 |  | it |
| 30 Jan 1918 | UC 53 | Kurt Albrecht | | Michele Padre | 230 |  | it |
| 31 Jan 1918 | U 33 | Gustav Sieß | | Eggesford (d.) | 4,414 |  | br |
| 31 Jan 1918 | U 46 | Leo Hillebrand | | Towneley | 2,476 |  | br |
| 31 Jan 1918 | U 90 | Walter Remy | | Martin Gust | 248 |  | ru |
| 31 Jan 1918 | UC 79 | Werner Löwe | | Elephant | 286 |  | fr |
| 31 Jan 1918 | UC 79 | Werner Löwe | | Remindo | 256 |  | br |
|
| 382,404 | | | 168 ships sunk (314,587 tons) and 17 ships damaged (67,817 tons). Legend (d.) means the ship was damaged.
|
This map shows where Allied ships were hit during January 1918.
Resource id #214
ms = 26.26N14.28W,26.30N14.17W,28.32N12.52W,34.00N16.50E,35.15N15.05E,36.12N14.55E,36.15N13.00E,36.32N01.00W,37.06N03.55E,37.09N23.45E,37.25N11.06E,37.26N11.00E,37.27N09.51E,37.28N09.23E,37.38N24.10E,37.54N16.06E,38.00N11.00W,38.05N15.34E,38.19N15.38E,38.58N15.08E,39.09N25.17E,39.09N25.18E,39.52N06.36E,40.29N06.49E,41.15N09.20W,43.00N05.46E,43.02N08.30E,43.11N04.37E,43.14N05.19E,44.07N08.18E,44.13N09.29E,46.05N07.25W,47.30N04.01W,47.35N04.40W,47.36N05.07W,47.44N04.13W,47.45N04.28W,47.46N04.24W,48.02N05.10W,48.30N05.17W,48.53N03.00W,48.58N03.30W,49.30N02.45W,49.40N01.11W,49.42N00.32W,49.44N00.49W,49.46N01.44W,49.48N01.45W,49.50N00.17W,49.53N01.44W,49.55N04.57W,50.00N05.40W,50.00N05.39W,50.11N04.47W,50.12N04.48W,50.13N05.42W,50.17N01.30W,50.18N05.35W,50.21N03.18W,50.21N03.10W,50.21N03.25W,50.23N05.20W,50.28N01.33W,50.28N02.12W,50.31N01.16W,50.34N01.29W,50.34N00.12W,50.34N00.45W,50.48N04.48W,50.55N04.49W,51.40N05.26W,51.54N01.24E,52.11N03.05E,52.14N05.40W,53.29N05.12W,53.34N04.14W,54.11N05.32W,54.36N00.49W,55.00N01.20W,55.20N06.12W,56.19N00.45W,56.23N02.15W,57.10N01.51W
In some cases the exact positions of losses are not known, those are not shown.