CoastalUS - HYDROPACMessages76/26(74)76/26(74)SÉCURITÉArchivedReceived: 10 Jan 2026, 00:00Archived: 26 Feb 2026, 14:00Updated: 5 Nov 2026, 17:43SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONSGeometry refsboundedGeometry phrasesbound byMessage contentEASTERN INDIAN OCEAN. AUSTRALIA. DNC 04. UNDERWATER OPERATIONS IN PROGRESS BY M/V SIEM TOPAZ/LAYN7 IN AREA BOUND BY 19-56.00S 113-13.20E, 19-53.5S 113-13.20E, 19-53.50S 113-17.70E, 19-56.0S 113-17.70E. TWO MILE BERTH REQUESTED.Location mapOpen on the full mapMore from US - HYDROPAC3218/262026-11-05EASTERN INDIAN OCEAN. INDIA. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 NOV BY M/V EAGLE EXPLORER IN AREA BOUND BY 08-54.00N 075-21.00E, 08-54.00N 076-08.00E, 08-11.00N 076-08.00E, 08-11.003217/262026-11-05EASTERN INDIAN OCEAN. REUNION. 1. HAZARDOUS OPERATIONS 090400Z TO 112000Z NOV IN AREA BOUND BY 21-30.75S 055-05.27E, 21-07.73S 054-56.99E, 21-16.18S 054-22.72E, 21-45.69S 054-32.38E. 2. CANCE3216/262026-11-05EASTERN INDIAN OCEAN. AUSTRALIA. RACON AT PORT HEDLAND C1 PILE 19-59.49S 118-26.17E UNRELIABLE.3060/262026-10-21archivedARABIAN SEA. NORTHWESTERN INDIAN OCEAN. INDIA. 1. SURVEY OPERATIONS 22 OCT THRU 11 NOV BY M/V EAGLE EXPLORER IN AREA BOUND BY 11-33.00N 074-36.00E, 11-44.00N 075-05.00E, 10-28.00N 075-52.00E,3185/262026-11-02archivedSINGAPORE STRAIT. INDONESIA. 1. VESSEL BOARDED BY THREE PIRATES IN 01-06.06N 103-33.51E AT 021336Z NOV. VESSELS ARE ADVISED TO KEEP CLEAR OF THIS POSITION AND TO EXERCISE EXTREME CAUTION. 2.Later warnings81/26(63)2026-01-11archivedARABIAN SEA. EASTERN INDIAN OCEAN. SRI LANKA. DNC 03. 1. HAZARDOUS OPERATIONS 0100Z TO 1100Z DAILY, 12 AND 13 JAN IN AREAS BOUND BY: A. 04-38.00N 078-52.082/26(19)2026-01-11archivedNORTH PACIFIC. DNC 12, DNC 13. CABLE OPERATIONS 12 JAN UNTIL FURTHER NOTICE BY M/V ANIEK ALONG TRACKLINE JOINING 25-37.90N 179-24.95E, 25-50.19N 178-52.50E, 26-83/26(81)2026-01-11archivedNORTH PACIFIC. GUAM. DNC 12. 1. USCG REMOTE COMMUNICATION FACILITY GUAM 13-28.6N 144-50.1E WEATHER MESSAGE SERVICES UNRELIABLE. 2. CANCEL HYDROPAC 3212/Earlier warnings90/26(22,83)2026-01-09archivedSOUTH PACIFIC. DNC 06, DNC 07. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 170612Z TO 170720Z, 180558Z TO 180706Z, 190544Z TO 190652Z, 200531Z TO 200639Z,66/26(76)2026-01-09archivedCOOK STRAIT. NEW ZEALAND. DNC 06. 11.8 METER DEPTH REPORTED IN 41-21.36S 174-08.20E.74/26(74)2026-01-09archivedEASTERN INDIAN OCEAN. DNC 04. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY USV REACH REMOTE 2 IN AREA BOUND BY 19-39.70S 113-03.00E, 19-39.70S 11Back to messages