Navigational warnings on 2026-03-23
UTC day · today
- issued
- 6
- cancelled
- 3
- in force at end
- 699
- 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 Atlantic Ocean | 2 |
| Indian Ocean | 1 |
| South Pacific Ocean | 1 |
| South Atlantic Ocean | 1 |
| Gulf of Mexico | 1 |
HYDROLANT 2 · HYDROPAC 1 · NAVAREA I 1 · NOAA IncidentNews 1 · USGS earthquakes 1
Issued · 6
- Spills · NOAAORR-1113700:00ZV26H+97 port arthur, tx, USAExplosion At Oil Refinery; Port Arthur, Texas
- Quakes · USGS-US6000SISB06:02Z106 km ene of hihifo, tonga
- Wrecks · HYDROLANT 582/26in force10:40ZFoul ground exists in a bounded area off Brazil until December 6, 2027.South Atlantic · Brazil
- Other · NAVAREA I 61/26in force16:05ZPorcupine Abyssal Plain ODAS buoy moved to 48-56.3N 016-22.5W, cancelling warning 59/26.Western Approaches To United Kingdom and Ireland · Porcupine Abyssal Plain
- Nav aids · HYDROLANT 585/26in force19:13ZPAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.North Atlantic
- Missiles · HYDROPAC 934/2622:11ZSpace debris hazard operations are underway from April 1-30 across areas of the eastern Indian Ocean, South Pacific, and Tasman Sea, with cancellation on May 1.Eastern Indian Ocean · South Pacific · Tasman Sea
Cancelled · 3
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.