CoastalUS - HYDROPACMessages1501/25(74)1501/25(74)SÉCURITÉArchivedReceived: 11 Jun 2025, 00:00Archived: 6 Aug 2025, 23:41Updated: 29 Oct 2026, 19:01SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONSGeometry refsboundedGeometry phrasesbound byMessage contentEASTERN INDIAN OCEAN. DNC 04. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V SEVEN SISTERS IN AREA BOUND BY 19-44.31S 113-04.05E, 19-44.31S 113-16.79E, 19-57.84S 113-16.79E, 19-57.84S 113-04.05E. ONE MILE BERTH REQUESTED.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 warnings1524/25(29)2025-06-12archivedEASTERN SOUTH PACIFIC. SCOTIA SEA. WEDDELL SEA. ANTARCTICA. SOUTH SHETLAND ISLANDS. DNC 29. 1. ICEBERG REPORTED IN: A. 62-49.20S 053-43.80W. B. 61-58.20S 0541526/25(GEN)2025-06-12archivedCANCEL HYDROPAC 1524/25 AND THIS MSG, MESSAGE NOT PROMULGATED.1529/25(92)2025-06-12archivedSOUTH CHINA SEA. PHILIPPINES. DNC 11. 1. GUNNERY EXERCISES 16 THRU 20 JUN IN AREA BOUND BY 11-08.78N 119-06.78E, 11-08.78N 119-06.78E, 11-00.78N 119-06Earlier warnings1511/25(63)2025-06-11archivedBAY OF BENGAL. INDIA. DNC 03. 1. SURVEY OPERATIONS 12 JUN THRU 11 AUG BY M/V RAMFORM SOVEREIGN IN AREA BOUND BY 19-04.08N 086-00.12E, 18-49.44N 086-00.18E1509/25(96)2025-06-11archivedWESTERN NORTH PACIFIC. KAMCHATKA. DNC 24. 1. MISSILE AND GUNNERY OPERATIONS 1900Z TO 1000Z DAILY 14 THRU 18 JUN AND 1300Z TO 1700Z DAILY 15 THRU 19 JUN1503/25(81)2025-06-11archivedPHILIPPINE SEA. WESTERN NORTH PACIFIC. GUAM. DNC 12. 1. HAZARDOUS OPERATIONS 2300Z TO 1300Z DAILY 16 THRU 18 JUN IN AREAS WITHIN THREE MILES OF: A. 13-27.Back to messages