Navigational warnings on 2026-08-15
UTC day · today
- issued
- 12
- cancelled
- 2
- in force at end
- 737
- 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 |
| South Atlantic Ocean | 2 |
| Indian Ocean | 2 |
| North Sea | 2 |
| Gulf of Tomini | 1 |
| South Pacific Ocean | 1 |
| North Pacific Ocean | 1 |
HYDROPAC 5 · HYDROLANT 3 · USGS earthquakes 2 · NAVAREA I 1 · NAVAREA X 1
Issued · 12
- Surveys · HYDROLANT 1578/2601:13ZVessels Moonbeam and Comando B are conducting underwater operations near 20-21.82S 040-08.98W, Brazil, from August 15 08:00 UTC to August 29 18:00 UTC; a wide berth is requested.South Atlantic · Brazil
- Missiles · HYDROPAC 2341/2603:02ZSpace debris hazard operations in Eastern Indian Ocean, South Pacific, and Tasman Sea from August 20 to 26.Eastern Indian Ocean · South Pacific · Tasman Sea
- Exercises · HYDROPAC 2342/2606:34ZGunnery exercises in the South Pacific near Peru from August 20 to August 23, in an area bounded by coordinates 11-00S to 11-35S and 077-10W to 078-08W.South Pacific · Peru
- Exercises · HYDROPAC 2345/2611:07ZHazardous operations are in progress in the Arabian Sea near India until August 20 at 02:30 UTC, with cancellation at 03:30 UTC.Arabian Sea · India
- Exercises · HYDROPAC 2346/2611:25ZHazardous operations are in progress in the Arabian Sea off India until August 20, 0230 UTC, within a bounded area.Arabian Sea · India
- Exercises · HYDROPAC 2347/2611:52ZHazardous operations are in progress in the Arabian Sea near India until 20 Aug 02:30 UTC; message cancels at 03:30 UTC on the same day.Arabian Sea · India
- Missiles · NAVAREA X 94/2613:08ZSpace debris danger area is in effect from Cape Darnely to Tasmania, daily 1525-2235 UTC, 20-26 August 2026.
- Cable ops · NAVAREA I 171/26in force13:52ZSeismic survey by Amazon Conqueror towing eight one-mile cables in Frigg Field, North Sea, with two-mile berth requested and Navarea I 160/26 cancelled.North Sea · Frigg Field
- Surveys · HYDROLANT 1582/2615:11ZUnderwater operations are conducted daily from 0800 to 1800, 16-30 August, by ships White Defender and Comando B near 20-26.83S 040-08.73W; wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1583/2615:46ZSurvey operations by M/V Amazon Conqueror towing eight one-mile-long cables in North Sea off Norway until further notice. Two-mile berth requested.North Sea · Norway
- Quakes · USGS-US6000TL1S16:25Z132 km nne of palu, indonesia
- Quakes · USGS-US6000TL3619:32ZEarthquake magnitude 5.6 (mww) in 23.461N 142.835E, depth 55 km at 151932Z aug 26Volcano Islands, Japan Region
Cancelled · 2
- Quakes · USGS-US6000TK7411:47ZEarthquake magnitude 6.0 (mww) in 60.245S 028.990W, depth 10 km at 121147Z aug 26South Sandwich Islands Region
- Surveys · HYDROLANT 1477/2615:46ZSurvey 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
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.