CoastalUS - HYDROPACMessages1711/25(81)1711/25(81)SÉCURITÉArchivedReceived: 1 Jul 2025, 00:00Archived: 2 Jul 2025, 16:02Updated: 4 Nov 2026, 19:32SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsUNRELIABLE, UNRELIABLEMessage contentNORTH PACIFIC. GUAM. 1. USCG REMOTE COMMUNICATION FACILITY GUAM (V) 13-29.00N 144-50.00E BROADCAST SERVICES UNRELIABLE 021200Z TO 021500Z JUL. 2. CANCEL THIS MSG 021600Z JUL 25.Location mapOpen in the full mapLoading map…More from US - HYDROPAC3211/262026-11-04BAY OF BENGAL. INDIA. 1. SURVEY OPERATIONS 05 THRU 20 NOV BY M/V SAMUDRA RATNAKAR IN AREA BOUND BY 17-13.71N 083-11.78E, 17-08.36N 083-15.64E, 17-01.56N 083-05.45E, 17-06.90N 083-01.59E. W3210/262026-11-04EASTERN INDIAN OCEAN. LAKSHADWEEP. 1. HAZARDOUS OPERATIONS 060730Z TO 061330Z NOV IN AREA BOUND BY 10-32.60N 072-37.25E, 10-33.32N 072-38.05E, 10-32.54N 072-38.72E, 10-31.92N 072-37.90E. 2. C3209/262026-11-04BAY OF BENGAL. INDIA. 1. SURVEY OPERATIONS 05 THRU 25 NOV BY M/V SAMUDRA KAUSTUBH IN AREA BOUND BY 21-05.68N 087-27.06E, 21-05.61N 087-41.49E, 20-52.08N 087-41.43E, 20-52.13N 087-27.02E. W3149/262026-10-29archivedARABIAN 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 ARE3032/262026-10-19archivedEASTERN INDIAN OCEAN. INDIA. 1. HAZARDOUS OPERATIONS 0230Z TO 0800Z DAILY 21, 23, 26, 27, 30 AND 31 OCT IN AREA BOUND BY 10-50.00N 075-00.00E, 10-50.00N 075-35.00E, 10-20.00N 075-35.00E, 1Later warnings1710/25(63)2025-07-01archivedBAY OF BENGAL. INDIA. DNC 03. 1. HAZARDOUS OPERATIONS 0330Z TO 0730Z DAILY 02 THRU 04 JUL IN AREA BOUND BY 21-14.92N 086-48.63E, 20-51.93N 087-03.97E,1708/25(62)2025-07-01archivedPERSIAN GULF. OMAN. DNC 10. 1. UNDERWATER OPERATIONS 02 THRU 04 JUL BY M/V SEAWAY FALCON IN 26-00.09N 055-58.86E. ONE MILE BERTH REQUESTED. 2. CANCEL1707/25(81)2025-07-01archivedNORTH PACIFIC. PHILIPPINE SEA. GUAM. DNC 12. 1. HAZARDOUS OPERATIONS 2300Z TO 1300Z DAILY 07 THRU 09 JUL IN AREAS WITHIN THREE MILES OF: A. 13-27.00NEarlier warnings1703/25(74)2025-06-30archivedEASTERN INDIAN OCEAN. AUSTRALIA. DNC 04. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V PMG EMERALD IN AREA BOUND BY 31-48.40S 109-07.63E, 34-36.01S1701/25(75)2025-06-30archivedGREAT AUSTRALIAN BIGHT. AUSTRALIA. DNC 05. 1. SOUTH PAGE LIGHT 35-46.60S 138-17.50E UNRELIABLE. 2. CANCEL HYDROPAC 1661/25. CANCEL THIS MSG 251300Z JUL 25.1702/25(63)2025-06-30archivedEASTERN INDIAN OCEAN. INDIA. DNC 03. 1. SURVEY OPERATIONS 01 THRU 15 JUL BY M/V KALIMMAN THUNAI IN AREA BOUND BY 08-13.23N 077-11.10E, 08-04.67N 077-3Back to messages