| Shipwrecks |
- 1 Dec: USS Bellona, U-826, U-1004, U-1061, U-1104
- 3 Dec: U-994
- 4 Dec: U-218, U-299, U-539, U-777
- 5 Dec: U-1005
- 7 Dec: U-245, U-907, U-1019
- 8 Dec: U-485, U-773, U-775, U-1203, U-1271, U-1272
- 9 Dec: U-532, U-1052, U-1307
- 11 Dec: U-716, U-978, U-991, U-1163
- 13 Dec: Empire Tigaven, HMS N 86, U-255, U-293, U-295, U-760, U-997, U-1002
- 16 Dec: U-483, U-739, U-928, U-992, U-1009, U-1301
- 17 Dec: U-368, U-779, U-956, U-1198, U-1230
- 20 Dec: U-291
- 21 Dec: U-149, U-150, U-155, U-318, U-427, U-637, U-720, U-806, U-1102, U-1110
- 22 Dec: U-143, U-145, U-1194, U-2354
- 23 Dec: Duncan L. Clinch
- 27 Dec: Empire Tigawa, U-313
- 28 Dec: U-680
- 29 Dec: USS Minivet, U-390, U-930, U-1022, U-1233
- 30 Dec: Lambridge, U-1103, U-1165
- 31 Dec: U-294, U-363, U-668, U-802, U-861, U-874, U-875, U-883, U-2341
- Unknown date: USS Industry
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