CoastalUS - HYDROPACMessages592/26(81)592/26(81)SÉCURITÉArchivedReceived: 27 Feb 2026, 00:00Archived: 28 Feb 2026, 19:21Updated: 5 Nov 2026, 17:43SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsOFF AIRMessage contentNORTH PACIFIC. GUAM. DNC 12. 1. USCG REMOTE COMMUNICATION FACILITY GUAM (V) 13-29.00N 144-50.00E BROADCAST SERVICES OFF AIR 030700Z TO 030830Z MAR. 2. CANCEL THIS MSG 030930Z MAR 26.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 warnings593/26(81,97)2026-02-27archivedNORTH PACIFIC. PHILIPPINE SEA. DNC 12. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 010208Z TO 010250Z MAR, ALTERNATE 0208Z TO 0250Z DAILY 02 THRU 25 MAR577/26(71)2026-02-27archivedSOUTH CHINA SEA. INDONESIA. DNC 03. 1. M/V BOARDED BY FIVE PIRATES IN 01-02.04N 103-39.65E AT 261834Z FEB. 2. CANCEL THIS MSG 020040Z MAR 26.587/26(63)2026-02-27archivedBAY OF BENGAL. INDIA. DNC 03. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 271830Z MAR BY M/V SAMBHAVYA IN AREA BOUND BY 16-22.28N 081-55.47E, 16-22.28N 081-56Earlier warnings580/26(92)2026-02-27archivedNORTH PACIFIC. PHILIPPINE SEA. PHILIPPINES. DNC 11. 1. GUNNERY EXERCISES IN PROGRESS UNTIL 281600Z FEB IN AREA BOUND BY 06-40.24N 125-45.29E, 06-40.30N 1576/26(81)2026-02-27archivedNORTH PACIFIC. GUAM. DNC 12. CANCEL HYDROPAC 573/26 AND THIS MSG, SERVICES RESTORED.569/26(63)2026-02-26archivedANDAMAN SEA. THAILAND. DNC 03. 1. SURVEY OPERATIONS 01 MAR THRU 10 APR IN AREAS BOUND BY: A. 14-05.60N 097-43.90E, 14-05.60N 098-30.10E, 13-04.90NBack to messages