Navigational warnings on 2017-05-18

UTC day · today

issued
25
cancelled
27
in force at end
450
of these still in force
0

What this reporting period contains

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

Other accounts for 7 of 25 recorded messages (28%), the largest category group in this selection.

HYDROPAC accounts for 13 of 25 recorded messages (52%), 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

Other7
Incidents6
Exercises5
Nav aids4
Surveys2
Icebergs1

Issued · by sea

North Atlantic Ocean3
Bristol Channel1
Gulf of Mexico1
Black Sea1
South China Sea1
Indian Ocean1
Mediterranean Sea - Eastern Basin1
Coral Sea1

HYDROPAC 13 · HYDROLANT 7 · NAVAREA IV 3 · NAVAREA XII 2

Issued · 25

Cancelled · 27

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 2017-05-18 · seahazards