NAVAREA XI - 21-0325

Issued: 12 Oct 2021, 10:00Last modified: 3 Nov 2026, 12:21

analysis

Expired

Discoloured water reported near Nanpo Shoto

Discoloured water was observed within about 0.7 miles of 27-13.6N 140-55.3E. The observation was made at 120643Z Oct. Vessels were requested to exercise caution in the area. No further details or duration were provided.

Exercise caution when transiting the vicinity of the reported position.

Type: Navigational hazard · severity low
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
WITHIN ABOUT 0.7 MILES OF 27-13.6N 140-55.3E AT 120643Z OCT. VESSELS REQUESTED TO BE CAUTION ADVISED.
Hazards: discoloured water
Reported: 12 Oct 2021, 06:43 UTC (1849 days ago)

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.

Keywords

Geometry refscircle_radius
Geometry phraseswithin

Message content

NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED. WITHIN ABOUT 0.7 MILES OF 27-13.60N 140-55.30E AT 120643Z OCT. VESSELS REQUESTED TO BE CAUTION ADVISED.

Location map

Open in the full map

Related messages

26-0496
SULU SEA. SPACE DEBRIS. 081800Z TO 082400Z NOV. AREAS BOUNDED BY A. 09-16.8N 118-59.4E 09-24.0N 119-09.0E 09-06.0N 119-22.2E 08-59.4N 119-12.6E. B. 09-16.2N 118-57.0E 09-28.2N 119-12.6E 08-57.0N 119-36.0E 08-45.0N 119-19.8E. CANCEL 0494/26. CANCEL THIS MSG 090100Z NOV.
26-0493
SOUTH CHINA SEA, NORTHERN PART. GUNNERY. 062300Z TO 071300Z NOV, ALTERNATE 132300Z TO 141400Z NOV. AREA BOUNDED BY 10-25-10N 114-18-34E 10-25-17N 114-25-48E 10-20-57N 114-26-05E 10-20-12N 114-18-34E. CANCEL THIS MSG 141500Z NOV.
26-0492
NAVAREA XI WARNING MESSAGES IN FORCE 311200Z OCT. ONLY THOSE MESSAGES ISSUED DURING LAST SIX WEEKS ARE LISTED HEREIN. 0483 0484 0485 0486/26. THE COMPLETE TEXT OF ALL IN FORCE NAVAREA XI WARNINGS ARE AVAILABLE FROM THE JHOD WEBSITE "HTTPS://WWW1.KAIHO. MLIT.GO.JP/JHD-E.HTML" (ONLY "E" OF ADDRESSING IS A CAPITAL LETTER). CANCEL 0490/26.
26-0495(archived)
SELAT MAKASAR. SEISMIC SURVEY WORKS BY S/V RAMFORM SOVEREIGN CONCLUDED. CANCEL 0034/26 AND THIS MSG.
26-0494(archived)
SULU SEA. SPACE DEBRIS. 051900Z TO 060100Z NOV. AREAS BOUNDED BY A. 09-16.8N 118-59.4E 09-24.0N 119-09.0E 09-06.0N 119-22.2E 08-59.4N 119-12.6E. (2)09-16.2N 118-57.0E 09-28.2N 119-12.6E 08-57.0N 119-36.0E 08-45.0N 119-19.8E. CANCEL THIS MSG 060200Z NOV.