CoastalUS - HYDROLANTMessages1833/25(57)1833/25(57)SÉCURITÉArchivedReceived: 1 Nov 2025, 00:00Archived: 12 Jan 2026, 09:44Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONSGeometry refsboundedGeometry phrasesbound byMessage contentSOUTH ATLANTIC. SOUTH AFRICA. DNC 01. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V THE EXPLORER IN AREA BOUND BY 29-19.00S 016-50.00E, 29-54.00S 017-03.00E. 29-54.00S 015-40.00E, 29-19.00S 015-31.00E. TWO MILE BERTH REQUESTED.Location mapOpen in the full mapLoading map…More from US - HYDROLANT2213/262026-11-04SOUTH ATLANTIC. BRAZIL. 1. HAZARDOUS OPERATIONS 0800Z TO 2100Z DAILY 09 AND 10 NOV IN AREA WITHIN 10 MILES OF 05-44.40S 034-40.00W. 2. CANCEL THIS MSG 102200Z NOV 26.2212/262026-11-04SOUTH ATLANTIC. SCOTIA SEA. SHETLAND ISLANDS. 1. ICEBERGS REPORTED IN: A. A84, 69-40.80S 090-49.80W. B. A85, 56-54.00S 047-05.40W. C. D33A, 63-57.60S 055-13.20W. D. D33C, 61-58.20S 054-14.2211/262026-11-04NORTH ATLANTIC. 1. DERELICT 15 METER S/V DARK JADOR, BROWN HULL, CAPSIZED AND ADRIFT IN 45-03.00N 029-03.00W AT 032330Z NOV. 2. CANCEL THIS MSG 070211Z NOV 26.564/22(55)2022-02-25archivedBLACK SEA. UKRAINE. DNC 10. MINING OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREAS BOUND BY: A. 46-04.0N 033-12.8E, 46-03.1N 033-13.9E, 45-55.6N 033-08.1E, 45-57.3N 032-54.5E, 46-00.9N 033-2010/25(24)2025-11-28archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY UNTIL 02 NOV 26 BY M/V FUGRO VAQUITA IN: A. 22-26.32S 040-25.47W. B. 22-27.05S 040-24.71W. WIDE BERTH REQUESLater warnings1836/25(23,29)2025-11-02archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 52-40.00S 040-16.00W. B. A74A, 53-28.00S 031-24.00W. C. A77,1837/25(37)2025-11-02archivedENGLISH CHANNEL. ENGLAND. DNC 20. 1. ABANDONED FISHING GEAR ADRIFT IN VICINITY 50-01N 003-50W AT 021315Z NOV. 2. CANCEL THIS MSG 051315Z NOV 25.1839/25(24)2025-11-02archivedSOUTH ATLANTIC. BRAZIL. DNC 01. ILHA DO BOI LIGHT 20-18.64S 040-16.90W UNLIT.Earlier warnings1834/25(57)2025-11-01archivedGULF OF GUINEA. GHANA. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 28 DEC BY M/V SW TASMAN AND SW GALLIEN IN AREA BOUND BY 04-52.70N 003-09.40W, 04-51.1831/25(24)2025-11-01archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. PONTA DE ITAPAGE LIGHT 02-52.27S 039-56.64W UNLIT UNTIL 30 APR 26. 2. CANCEL HYDROLANT 1779/25 3. CANCEL THIS MSG 010001Z1832/25(23,29)2025-11-01archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 52-41.00S 040-22.00W. B. A74A, 53-34.00S 031-40.00W. C. A77,Back to messages