CoastalUS - HYDROLANTMessages2043/25(57)2043/25(57)SÉCURITÉArchivedReceived: 3 Dec 2025, 00:00Archived: 6 Dec 2025, 06:41Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsRestricted Areakeep clear ofMessage contentGULF OF GUINEA. EQUATORIAL GUINEA. DNC 01. 1. M/V ATTACKED IN 01-43.00N 008-54.00E AT 030411Z DEC. VESSELS ARE ADVISED TO KEEP CLEAR OF THIS POSITION AND TO EXERCISE EXTREME CAUTION. 2. CANCEL THIS MSG 060624Z DEC 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 warnings2041/25(24)2025-12-03archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. HAZARDOUS OPERATIONS 04 THRU 09 DEC IN AREA WITHIN FIVE MILES OF 26-57.08S 047-04.60W. 2. CANCEL HYDROLANT 2024/25. 3. CAN2045/25(55)2025-12-03archivedBLACK SEA. ROMANIA. DNC 10. 1. HAZARDOUS OPERATIONS 0700Z TO 1500Z DAILY 08 THRU 13 DEC IN AREA BOUND BY 44-25.43N 028-42.50E, 44-29.50N 028-55.58E, 442049/25(24)2025-12-03archivedSOUTH ATLANTIC. DNC 01. 1. HAZARDOUS OPERATIONS 08 THRU 12 DEC IN AREA BOUND BY 24-30.00S 040-03.00W, 24-20.00S 040-32.00W, 25-26.00S 041-58.00W, 25-37Earlier warnings2044/25(55)2025-12-03archivedBLACK SEA. ROMANIA. DNC 10. 1. OBJECT ADRIFT ALONG TRACKLINE JOINING 44-12.00N 029-31.00E, 44-11.54N 029-25.69E AT 030530 DEC . 2. CANCEL THIS MSG 06082051/25(29)2025-12-03archivedSOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 65-06.00S 057-48.60W. B. A84, 71-52.20S 095-23.40W. C. A85, 68-03.2054/25(GEN)2025-12-03archived1. DUE TO SPACE WEATHER, HF COMMUNICATIONS AND GNSS POSITIONAL INFORMATION MAY BE DISRUPTED BY THE EFFECTS OF SOLAR FLARES. 2. DURING INCIDENTS AT SEA, MABack to messages