CoastalUS - HYDROPACMessages3402/25(75)3402/25(75)ArchivedReceived: 20 Dec 2025, 00:00Archived: 26 Feb 2026, 14:00Updated: 5 Nov 2026, 17:43SubscribeCopyShareShow on mapPrintExportSearchKeywordsGeometry refscircle_radiusGeometry phraseswithinMessage contentGREAT AUSTRALIAN BIGHT. AUSTRALIA. DNC 05. 12 YELLOW LIGHT BUOYS, FL W 3 SEC, 6 METERS IN HEIGHT ESTABLISHED IN AREA WITHIN ONE MILE OF 38-47.62S 142-37.77E. THREE 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 warnings3412/25(71)2025-12-21archivedSINGAPORE STRAIT. MALAYSIA. DNC 03. 1. BARGE BOARDED IN 01-18.51N 104-15.07E AT 210945Z DEC. VESSELS ARE ADVISED TO KEEP CLEAR OF THIS POSITION AND TO3410/25(63)2025-12-21archivedEASTERN INDIAN OCEAN. INDIA. DNC 03. 1. HAZARDOUS OPERATIONS 0330Z TO 1030Z DAILY 23, 24 AND 26 DEC IN AREA BOUND BY 10-20.00N 075-00.00E, 10-20.00N 075-33409/25(63)2025-12-21archivedANDAMAN SEA. BURMA. DNC 03. CANCEL HYDROPAC 3180/25 AND THIS MSG.Earlier warnings3401/25(74)2025-12-20archivedTIMOR SEA. INDONESIA. DNC 04. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V SKANDI HERCULES IN 10-36.90S 125-59.10E. WIDE BERTH REQUESTED.3395/25(63)2025-12-19archivedARABIAN SEA. GULF OF KHAMBHAT. INDIA. DNC 03. 1. UNDERWATER OPERATIONS 24 DEC THRU 22 JAN 26 BY M/V ZD AQUARIUS IN AREAS BOUND BY: A. 19-42.24N 071-06.013391/25(63)2025-12-19archivedARABIAN SEA. GULF OF KHAMBHAT. INDIA. DNC 03. 1. SURVEY OPERATIONS 23 THRU 31 DEC BY M/V ACOMS 11 IN AREAS BOUND BY: A. 19-37.04N 071-57.40E, 19-01.43N 07Back to messages