Navigational warnings on 2026-05-20

UTC day · today

issued
5
cancelled
0
in force at end
693
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 type

Quakes4
Nav aids1

Issued · by sea

South Pacific Ocean3
South Atlantic Ocean1
Eastern China Sea1

USGS earthquakes 4 · HYDROPAC 1

Issued · 5

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 2026-05-20 · seahazards