CoastalUS - HYDROLANTMessages1875/25(24)1875/25(24)SÉCURITÉArchivedReceived: 7 Nov 2025, 00:00Archived: 21 Nov 2025, 22:00Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 2100Z DAILY 07 THRU 21 NOV BY M/V EURIPIDES GRAECIA AND M/V COMANDO B IN 20-23.50S 040-09.32W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 212200Z NOV 25.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 warnings1874/25(24)2025-11-07archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 2100Z DAILY 07 THRU 21 NOV BY M/V STAR MINERVA AND M/V COMANDO B IN 20-22.50S 040-09.32W1873/25(24)2025-11-07archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. SUBMERGED HYDROPHONE IN 23-49.21S 045-00.28W UNTIL 05 MAY 26. 2. CANCEL HYDROLANT 1197/25, 1720/25. 3. CANCEL THIS MSG 0601887/25(51)2025-11-08archivedNORTH ATLANTIC. PORTUGAL. DNC 08. NAVTEX STATIONS OFF AIR: A. SAO MIGUEL (F) 37-48.50N 025-33.20W. B. PENALVA (R) 38-36.20N 009-01.80W. C. PORTO SANTO (P) 33-05Earlier warnings1879/25(GEN)2025-11-07archived1. HYDROLANT WARNINGS IN FORCE AS OF 071622Z NOV. ALL THE INFORCE WARNINGS ARE LISTED HERE. 1878/2025, 1877/2025, 1876/2025, 1875/2025, 1874/2025, 1871877/25(24)2025-11-07archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. HAZARDOUS OPERATIONS 120800Z TO 130400Z NOV IN AREA BOUND BY 03-40.40S 037-54.98W, 03-31.50S 037-42.50W, 03-53.10S 01878/25(55)2025-11-07archivedBLACK SEA. ROMANIA. DNC 10. 1. SEARCH AND RESCUE TRAINING EXERCISES 0900Z TO 1400Z DAILY 11 AND 12 NOV IN AREA BOUND BY 43-57.50N 028-57.00E, 43-57.50N 0Back to messages