Navigational warnings on 2026-07-31
UTC day · today
- issued
- 6
- cancelled
- 4
- in force at end
- 834
- of these still in force
- 3
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
| North Pacific Ocean | 1 |
| North Sea | 1 |
| Arabian Sea | 1 |
| Laccadive Sea | 1 |
| Bay of Bengal | 1 |
| Caribbean Sea | 1 |
HYDROPAC 3 · HYDROLANT 1 · NAVAREA IV 1 · NOAA IncidentNews 1
Issued · 6
- Spills · NOAAORR-1119400:00Z841 w brannan island rd, isleton, ca 95641, USAVessel Sinking In San Joaquin River; Isleton, California
- Exercises · HYDROPAC 2187/26in force11:11ZHazardous operations occur daily from 0001Z to 1600Z August 1-31 except Fridays and Saturdays in four areas of the Bay of Bengal, Bangladesh.Bay of Bengal · Bangladesh
- Nav aids · HYDROPAC 2188/26in force11:36ZRadar beacon at Oyster Rocks light (14-49.22N 074-03.63E) is inoperative.Arabian Sea · India
- Exercises · HYDROPAC 2190/26in force13:38ZHazardous operations occur daily on 3,7,10,14,17,21,24,28,31 August in an area near 10N 76E, Eastern Indian Ocean.Eastern Indian Ocean · India
- Surveys · HYDROLANT 1477/2613:53ZSurvey operations are in progress in the North Sea off Norway, with vessel Amazon Conqueror towing eight 1609-meter cables; two-mile berth requested.North Sea · Norway
- Surveys · NAVAREA IV 743/2619:22ZUnderwater operations by vessels Atlantis and Alvin near Cayman Islands from August 2 to August 18, within 100 miles of 18°23'N 081°47'W, wide berth requested.Caribbean Sea · Cayman Islands
Cancelled · 4
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.