Navigational warnings on 2026-07-21

UTC day · today

issued
10
cancelled
2
in force at end
785
of these still in force
7

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

Other2
Cable ops2
Quakes1
Exercises1
Nav aids1
Surveys1
Wrecks1
Derelicts1

Issued · by sea

Arabian Sea2
South China Sea2
North Atlantic Ocean2
Coral Sea1
Celtic Sea1
South Pacific Ocean1
North Pacific Ocean1

HYDROPAC 4 · NAVAREA XI 2 · NAVAREA IV 2 · UKWZ 1 · USGS earthquakes 1

Issued · 10

Cancelled · 2

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 2026-07-21 · seahazards