Navigational warnings on 2025-09-18

UTC day · today

issued
9
cancelled
1
in force at end
638
of these still in force
0

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 type

Quakes8
Spills1

Issued · by sea

North Pacific Ocean7
South Pacific Ocean1
The Coastal Waters of Southeast Alaska and British Columbia1

USGS earthquakes 8 · NOAA IncidentNews 1

Issued · 9

Cancelled · 1

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2025-09-18 · seahazards