CoastalUS - HYDROPACMessages2108/262108/26SÉCURITÉArchivedReceived: 23 Jul 2026, 01:12Archived: 4 Aug 2026, 20:41Updated: 29 Oct 2026, 19:01SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsUNRELIABLE, UNRELIABLEMessage contentNORTH PACIFIC. GUAM. USCG REMOTE COMMUNICATION FACILITY GUAM 13-29.00N 144-50.00E HF SERVICES UNRELIABLE.Location mapOpen in the full mapLoading map…More from US - HYDROPAC3150/262026-10-29BAY OF BENGAL. INDIA. 1. HAZARDOUS OPERATIONS 0330Z TO 0530Z AND 0830Z TO 1030Z 02 AND 06 NOV, 030830Z TO 031030Z AND 050530Z TO 051030Z NOV IN AREA BOUND BY 20-34.95N 086-56.05E, 20-49.83149/262026-10-29ARABIAN SEA. GULF OF KHAMBHAT. INDIA. 1. PIPELINE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY VESSEL JD ODYSSEY, M/V TAG 13, TUG CREATIVE 1, M/V SEAMAC GLORIOUS, AND M/V WILCHIEF1 IN ARE3147/262026-10-29STRAIT OF HORMUZ. OMAN. VESSEL SUFFERED A SECURITY INCIDENT AND SANK IN 26-19.95N 056-16.82E. VESSELS ARE ADVISED TO KEEP CLEAR OF THIS POSITION AND TO EXERCISE EXTREME CAUTION.1357/25(62)2025-05-24archivedPERSIAN GULF. QATAR. DNC 10. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V HYSY289 IN AREA BOUND BY 26-41.99N 051-53.26E, 26-41.94N 052-00.75E, 26-37.65N 052-00.72E, 26-37.70N 051-53.23056/262026-10-21archivedNORTH PACIFIC. PHILIPPINE SEA. GUAM. 1. HAZARDOUS OPERATIONS 0100Z TO 1300Z DAILY 26 THRU 29 OCT IN AREAS WITHIN THREE MILES OF: A. 13-27.00N 145-08.00E. B. 13-42.00N 144-36.00E. 2. CANCLater warnings2112/262026-07-23archivedCANCEL HYDROPAC 2052 AND THIS MSG.2113/262026-07-23archivedBAY OF BENGAL. INDIA. 1. HAZARDOUS OPERATIONS 0130Z TO 1430Z DAILY 25 THRU 28 JUL IN AREA BOUND BY 19-14.60N 084-53.70E, 19-07.30N 085-35.90E, 18-52.02114/262026-07-23archivedSOUTH CHINA SEA. PHILIPPINES. 1. NAVIGATION PROHIBITED 231600Z TO 241600Z JUL IN AREA BOUND BY 16-25.41N 118-31.54E, 16-26.24N 119-08.30E, 14-13.14N 11Earlier warnings2107/262026-07-23archivedSOUTH PACIFIC. CHILE. 1. HAZARDOUS OPERATIONS 271400Z TO 272100 JUL IN AREA BOUND BY 33-07.00S 072-31.50W, 33-07.00S 072-08.00W, 33-27.00S 072-12.40W,2106/262026-07-23archivedNORTH PACIFIC. SEA OF OKHOTSK. KAMCHATKA. 1. MISSILE OPERATIONS 1400Z TO 0800Z DAILY 26 JUL THRU 06 AUG IN AREA BOUND BY 56-34.00N 154-14.00E, 56-34.00N 12105/262026-07-22archivedCANCEL HYDROPAC 2045/26, 2098/26 AND THIS MSG.Back to messages