Navigational warnings on 2026-09-25

UTC day · today

issued
34
cancelled
18
in force at end
364
of these still in force
32

What this reporting period contains

34 messages have issue dates in this period, and 18 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 11 of 34 recorded messages (32%), the largest category group in this selection.

HYDROPAC accounts for 10 of 34 recorded messages (29%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Exercises11
Surveys7
Storms7
Icebergs4
Cable ops2
Debris1
Missiles1
Other1

Issued · by sea

South Atlantic Ocean5
North Pacific Ocean4
The Northwestern Passages3
Arabian Sea3
Black Sea3
North Atlantic Ocean2
Philippine Sea2
Laptev Sea2

HYDROPAC 10 · HYDROLANT 9 · NHC storms 5 · HYDROARC 5 · JTWC storms 2 · NAVAREA XI 2 · NAVAREA IV 1

Issued · 34

Cancelled · 18

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