Navigational warnings, week 2026-W40

2026-09-28 to 2026-10-04 UTC · current week

  1. 09-28
    22
  2. 09-29
    5
issued
27
cancelled
61
in force at end
365
of these still in force
11

What this reporting period contains

27 messages have issue dates in this period, and 61 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Storms accounts for 7 of 27 recorded messages (26%), the largest category group in this selection.

HYDROPAC accounts for 6 of 27 recorded messages (22%), 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

Storms7
Cable ops6
Exercises5
Surveys2
Missiles2
Icebergs2
Nav aids2
Derelicts1

Issued · by sea

North Pacific Ocean6
North Atlantic Ocean3
Indian Ocean2
Bay of Bengal2
Mediterranean Sea - Western Basin2
Mediterranean Sea - Eastern Basin2
Gulf of California2
Timor Sea2

HYDROPAC 6 · HYDROLANT 5 · NHC storms 5 · AUSCOAST 2 · JTWC storms 2 · NAVAREA XII 2 · NAVAREA III 2 · NAVAREA XI 2 · NAVAREA IV 1

Issued · 27

Cancelled · 61

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

Navigational warnings, week 2026-W40 (2026-09-28 to 2026-10-04) · seahazards