Navigational warnings on 2026-08-17

UTC day · today

issued
23
cancelled
225
in force at end
543
of these still in force
7

Issued · by type

Exercises7
Surveys5
Missiles3
Nav aids3
Other2
Quakes2
Piracy1

Issued · by sea

North Pacific Ocean3
South Atlantic Ocean2
Black Sea2
North Atlantic Ocean2
Indian Ocean2
Arabian Sea1
Andaman or Burma Sea1
Great Australian Bight1

HYDROPAC 6 · HYDROLANT 4 · NAVAREA III 3 · USGS earthquakes 2 · NAVAREA XII 2 · AUSCOAST 2 · HYDROARC 1 · NAVAREA IV 1 · NAVAREA I 1 · UKWZ 1

Issued · 23

Cancelled · 225

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 2026-08-17 · seahazards