CoastalUS - HYDROLANTMessages1946/25(24)1946/25(24)Received 18 Nov 2025, 00:00 UTCArchived 23 Apr 2026, 01:40 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapSOUTH ATLANTIC. BRAZIL. DNC 07. 1. ODAS BUOY TEMPORARILY ESTABLISHED IN 32-32.45S 052-05.03W UNTIL 01 JUL 28. 2. CANCEL HYDROLANT 1943/25. 3. CANCEL THIS MSG 020001Z JUL 28.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 warnings1954/25(37)2025-11-19archivedNORTH SEA. ENGLAND. DNC 20. ALL NAVIGATIONAL AIDS AT PLATFORM 49/18-BP, BD 53-23.50N 002-31.50E INOPERATIVE.1955/25(29)2025-11-19archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 65-18.00S 057-55.80W. B. B15AB, 58-37.20S 045-12.1956/25(23,29)2025-11-19archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 52-43.00S 040-25.00W. B. A74A, 53-58.00S 028-03.00W. C. A77,Earlier warnings1951/25(51)2025-11-18archivedNORTH ATLANTIC. DNC 01. 1. PUMICE FORMATION ADRIFT IN AREA WITHIN 28 MILES OF 14-14.18N 020-51.44W DUE TO VOLCANIC ACTIVITY. 2. CANCEL THIS MSG 211750Z NOV 21949/25(29)2025-11-18archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 65-18.00S 057-55.80W. B. B15AB, 58-37.20S 045-12.1939/25(24)2025-11-17archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 171500Z NOV TO 020259Z DEC IN AREA BOUND BY 02-16.69S 044-22.82W, 02-10.16SBack to US - HYDROLANT