Navigational warnings on 2025-11-28
UTC day · today
- issued
- 12
- cancelled
- 1
- in force at end
- 721
- of these still in force
- 1
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this period is under-counted.
Issued · by sea
| Arabian Sea | 3 |
| Bay of Bengal | 3 |
| South Pacific Ocean | 2 |
| South Atlantic Ocean | 1 |
| North Pacific Ocean | 1 |
| Tasman Sea | 1 |
| South China Sea | 1 |
HYDROPAC 10 · HYDROLANT 1 · USGS earthquakes 1
Issued · 12
- Surveys · HYDROPAC 3131/2500:02ZSurvey operations in progress until further notice by M/V seaworker in area bound by 41-18.40S 174-14.30E,…Cook Strait · New Zealand
- Surveys · HYDROLANT 2010/25in force01:13ZUnderwater survey operations by vessel Fugro Vaquita off Brazil daily from 10:00 to 20:00 UTC until November 2, 2026; wide berth requested.South Atlantic · Brazil
- Exercises · HYDROPAC 3134/2502:13ZHazardous operations 1100Z to 2000Z daily 02 and 04 dec in area bound by 36-25.00S 073-26.00W, 36-25.00S…South Pacific · Chile
- Quakes · USGS-US7000REA003:30Z131 km wnw of hihifo, tonga
- Incidents · HYDROPAC 3137/2509:17ZF/V py 96202 ts, five persons on board, sank in 10-22.50N 114-28.61E at 272352Z novSouth China Sea
- Cable ops · HYDROPAC 3138/2512:07ZCable operations 29 nov until further notice by M/V aniek along trackline joining 23-39.89N 179-01.21E,…North Pacific
- Exercises · HYDROPAC 3140/2515:30ZHazardous operations 0030Z to 1829Z daily 01 thru 09, 15 thru 17, 21 thru 25, and 28 thru 31 dec in area…Bay of Bengal · India
- Surveys · HYDROPAC 3141/2516:05ZSurvey operations by M/V vanessa 6: a. 01 thru 10 dec along trackline joining 19-31.85N 071-18.02E,…Arabian Sea · India
- Surveys · HYDROPAC 3144/2517:20ZSurvey operations 29 nov thru 28 dec by M/V sw bly in area bound by 16-54.00N 084-37.00E, 16-47.00N…Bay of Bengal · India
- Surveys · HYDROPAC 3145/2518:16ZSurvey operations 01 thru 31 dec by M/V vanessa 7 in area bound by 19-14.74N 072-06.46E, 20-05.46N…Arabian Sea · Gulf of Khambhat · India
- Exercises · HYDROPAC 3147/2520:14ZHazardous operations 0030Z to 1630Z daily 01 thru 05 dec in area bound by 15-50.30N 080-29.30E, 15-47.75N…Bay of Bengal · India
- Surveys · HYDROPAC 3149/2520:46ZUnderwater operations 29 nov thru 26 dec by tug aht rawabi opal in areas bound by: a. 19-42.24N 071-06.01E,…Arabian Sea · Gulf of Khambhat · India
Cancelled · 1
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.