April
- April 1867 Vesta, schooner, lost off Hatteras Inlet
- April 1867 G.W. Carpenter, schooner, lost off Creeds Hill
- April 1, 1871 William Muir, brig, lost off Currituck Beach
- April 1, 1876 Henry G. Fay, schooner, lost off Caffeys Inlet
- April 1, 1942 Rio Blanco, freighter, torpedoed and sunk by U-160; 31 killed
- April 2, 1820 Horatio, ship, lost off Diamond Shoals; 8 killed
- April 2, 1942 Liebre, tanker, shelled by U-123; 9 killed
- April 3, 1915 Prinz Maurits, steamer, lost off Cape Hatteras; 49 killed
- April 3, 1915 The Josephine, schooner, lost off Kill Devil Hills; 3 killed
- April 3, 1915 Loring C. Ballard, schooner, lost off Gull Shoal
- April 3, 1942 Otho, freighter, torpedoed and sunk by U-754; 31 killed
- April 4, 1881 A.B. Goodman, schooner, lost off Diamond Shoals; 1 killed
- April 4, 1942 Ensis, tanker, damaged by gunfire from U-572
- April 4, 1942 Byron D. Benson, tanker, torpedoed and sunk by U-552; 10 killed
- April 5, 1856 Mary Varney, bark, lost off Hatteras; 1 killed
- April 5, 1898 S. Warren Hall, schooner, lost off Portsmouth
- April 6, 1920 Powel, steamer, lost off Hatteras
- April 9, 1900 William H. Kenzal, schooner, lost off Cape Hatteras
- April 6, 1869 Thames, steamer, lost off Cape Hatteras
- April 6, 1920 Powel, steamer, foundered off Hatteras
- April 6, 1942 Bidwell, tanker, torpedoed by U-160; 1 killed
- April 7, 1889 John S. Wood, schooner, lost off Wash Woods
- April 7, 1889 Parrott, schooner, lost in Albemarle Sound; 2 killed
- April 7, 1889 Hattie Lollis, schooner, lost off Nags Head
- April 7, 1942 British Splendour , tanker, torpedoed and sunk by U-552; 12 killed
- April 7, 1942 Lancing, whaling factory/tanker, torpedoed and sunk by U-552; 1 killed
- April 7, 1942 Kollskegg, tanker, torpedoed and sun by U-754; 4 killed
- April 8, 1861 Black Squall, brig, lost off Ocracoke
- April 8, 1899 J.C. McNaughton, schooner, lost off Oregon Inlet
- April 9, 1877 Iona, schooner, lost off Chicamacomico
- April 9, 1942 Atlas, tanker, torpedoed and sunk by U-552; 2 killed
- April 9, 1942 Malchace, freighter, torpedoed and sunk by U-160; 1 killed
- April 9, 1942 San Delfino, tanker, torpedoed and sunk by U-203; 28 killed
- April 10, 1877 Benjamin W. Robinson, schooner, lost off Chicamacomico
- April 10, 1910 Thomas G. Smith, schooner, lost off Core Bank
- April 10, 1942 Tamaulipas, tanker, torpedoed and sunk by U-552; 2 killed
- April 11, 1889 Wolseley, bark, lost off Big Kinnakeet
- April 11, 1905 Blanche Hopkins, schooner, lost off Gull Shoal
- April 11, 1942 Harry F. Sinclair, tanker, torpedoed by U-203; 10 killed
- April 11, 1942 Ulysses, freighter, torpedoed and sunk by U-160
- April 12, 1882 Minnie, schooner, lost off Cape Fear
- April 12, 1942 Stanvac Melboure, tanker, torpedoed by U-203; 3 killed
- April 13, 1877 Hattie L. Fuller, schooner, lost off Oregon Inlet
- April 14, 1867 Jonas Sparks, schooner, lost off Beaufort Bar
- April 14, 1895 Addie Henry, schooner, lost off Ocracoke
- April 14, 1921 Louise Howard, schooner, ran aground Ft. Macon
- April 14, 1942 Empire Thrush, freighter, torpedoed and sunk by U-203
- April 14, 1942 U-85, submarine, depth-charged, shelled and sunk by USS Roper; 45 killed
- April 14, 1945 Belgian Airman, torpedoed and sunk by U-879; 1 killed
- April 15, 1853 Augustus Moore, schooner, lost off Kitty Hawk
- April 16, 1887 George S. Marts, schooner, lost off Hatteras; 2 killed
- April 16, 1942 Aloca Guide, shelled and sunk by U-123; 6 killed
- April 16, 1942 Desert Light, freighter, torpedoed and sunk by U-572; 1 killed
- April 17, 1889 N. Boynton, barge, lost off Poyners Hill
- April 17, 1889 John Shay, schooner, lost off Cape Hatteras; 6 killed
- April 18, 1908 Orient, schooner, lost off Cape Lookout
- April 18, 1942 Axtell J. Byles, tanker, torpedoed by U-136;
- April 19, 1942 Empire Dryden, freighter, torpedoed and sunk by U-572
- April 19, 1942 Steel Maker, freighter, torpedoed and sunk by U-654; 2 killed
- April 19, 1942 Harpagon, freighter, torpedoed and sunk by U-109; 41 killed
- April 19, 1864 Southfield, U.S. Navy gunboat, lost off Plymouth
- April 20, 1942 Chenango, freighter, torpedoed and sunk by U-84; 31 killed
- April 20, 1942 Agra, freighter, torpedoed and sunk by U-654, 6 killed
- April 21, 1942 Bris, freighter, torpedoed and sun by U-201; 5 killed
- April 25, 1882 Mercy T. Trundy, schooner, lost off Cape Fear
- April 26, 1903 J.F. Becker, schooner, lost off Oregon Inlet
- April 27, 1863 Golden Liner, blockade runner, lost off Cape Fear River
- April 27, 1898 Milton, schooner, lost off Bodie Island
- April 27, 1898 George L. Fessenden, schooner, lost of Chicamacomico; 4 killed
- April 28, 1907 Oriente, shooner, lost of Poyners Hill
- April 29, 1925 Irma, schooner, ran aground Kill Devil Hills
- April 29, 1942 Ashkhabad, tanker, torpedoed and sunk by U-402
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