Navigational warnings on 2026-04-17

UTC day · today

issued
15
cancelled
101
in force at end
675
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

Exercises5
Cable ops3
Nav aids3
Missiles2
Derelicts1
Spills1

Issued · by sea

Bay of Bengal3
Arabian Sea2
North Pacific Ocean2
Coral Sea2
Philippine Sea1
Indian Ocean1
Tasman Sea1
South Pacific Ocean1

HYDROPAC 14 · NOAA IncidentNews 1

Issued · 15

Cancelled · 101

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 2026-04-17 · seahazards