NAVAREA XI - 21-0326

Issued: 13 Oct 2021, 04:00Last modified: 3 Nov 2026, 12:21

analysis

Expired

Discoloured water extending south of Nanpo Shoto observed 12 Oct

Discoloured water was observed extending south for 5 miles and 2 miles wide from position 27-16.7N 140-56.6E. The observation time given is 120643Z October. Vessels are requested to exercise caution. This message cancels warning 0324/21.

Exercise caution when transiting the area and maintain a good lookout.

Type: Navigational hazard · severity moderate
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
Location: North Pacific, Nanpo Shoto
Validity: From 12 Oct 2021, 06:43 UTC
DISCOLOURED WATER OBSERVED IN EXTENDING SOUTH FOR 5 MILES, 2 MILE WIDE, FROM 27-16.7N 140-56.6E AT 120643Z OCT.
Activity periods: 12 Oct 2021, 06:43 UTC - ? (observation reported at 120643Z OCT; no end time given)
Hazards: discoloured water
Reported: 12 Oct 2021, 06:43 UTC (1849 days ago)
Cancels: 0324/21

Generated automatically from the warning text on 08 Oct 2026, 13:41 UTC. It can be wrong: the original warning below is the authoritative text.

Message content

NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN EXTENDING SOUTH FOR 5 MILES, 2 MILE WIDE, FROM 27-16.70N 140-56.60E AT 120643Z OCT. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0324/21.

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