CoastalUS - HYDROLANTMessages924/25(24)924/25(24)SÉCURITÉReceived 01 Jun 2025, 00:00 UTCArchived 12 Jun 2025, 15:01 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapWESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 0700Z TO 1700Z DAILY 02 THRU 17 JUN BY M/V OPEN SEAS I IN 20-22.68S 040-11.18W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 171800Z JUN 25.Location mapOpen in the full mapLoading map…KeywordsUNDERWATER OPERATIONSwide berth requestedMore 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 warnings922/25(24)2025-06-01archivedWESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 0700Z TO 1700Z DAILY 02 JUN THRU 02 SEP BY M/V GATAO DO MAR IN 20-31.32S 040-03.68W.927/25(23,29)2025-06-02archivedEASTERN SOUTH PACIFIC. SCOTIA SEA. WEDDELL SEA. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A74A, 59-33.00S 050-42.60W. B. A77, 63-16.20S 053928/25(23,29)2025-06-02archivedSCOTIA SEA. WEDDELL SEA. WESTERN SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 55-02.00S 038-26.00W. B. A76C, 60-38.00S 0Earlier warnings923/25(24)2025-06-01archivedWESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. SURVEY OPERATIONS 020300Z TO 050300Z JUN BY M/V OCEAN VANGUARD IN AREA BOUND BY 23-04.58S 043-00.73W, 23-05.16919/25(GEN)2025-06-01archived1. DUE TO SPACE WEATHER, HF COMMUNICATIONS AND GNSS POSITIONAL INFORMATION MAY BE DISRUPTED BY THE EFFECTS OF SOLAR FLARES. 2. DURING INCIDENTS AT SEA, MA925/25(23,29)2025-06-01archivedSCOTIA SEA. WEDDELL SEA. WESTERN SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 55-00.00S 038-34.00W. B. A76C, 60-39.00S 0Back to US - HYDROLANT