NAVAREA XI
NO.23-0342    Date:2023/09/23 12 UTC
NAVAREA XI WARNING MESSAGES IN FORCE
231200Z SEP. ONLY THOSE MESSAGES ISSUED
DURING LAST SIX WEEKS ARE LISTED HEREIN.
0291 0303 0306.
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 0340/23.




NAVAREA XI
NO.23-0306    Date:2023/08/28 12 UTC
JAPAN SEA. 
GUNNERY. 2200Z TO 1000Z COMMENCING DAILY
31 AUG, 01, 03 TO 08, 10 TO 15, 
17 TO 22 AND 24 TO 29 SEP.
AREA BOUNDED BY 42-40.0N 131-41.0E 
42-40.0N 131-57.0E 42-38.5N 132-15.0E 
42-15.0N 132-15.0E 42-15.0N 131-41.0E.
CANCEL THIS MSG 301100Z SEP.




NAVAREA XI
NO.23-0303    Date:2023/08/27 12 UTC
NORTH PACIFIC, NANPO SHOTO.
GUNNERY. 2300Z TO 0900Z COMMENCING DAILY
31 AUG TO 29 SEP. AREA BOUNDED BY
28-15-15N 146-29-47E
25-25-16N 147-37-47E
25-00-16N 145-35-48E
27-55-15N 144-57-48E.
CANCEL THIS MSG 301000Z SEP.




NAVAREA XI
NO.23-0291    Date:2023/08/23 12 UTC
SOUTH CHINA SEA, SOUTHERN PART.
SEISMIC SURVEY BY M/V RAMFORM SOVEREIGN
TOWING TWELVE CABLES, EACH 9000 METRE
LONG, 1350 METRES IN WIDTH. UNTIL
FURTHER NOTICE. AREA BOUNDED BY
05-43.3N 110-06.0E 05-43.4N 111-02.8E
04-46.1N 111-02.8E 04-46.1N 111-40.2E
04-28.0N 111-40.2E 04-28.0N 110-06.1E.




NAVAREA XI
NO.23-0265    Date:2023/08/06 12 UTC
SOUTH CHINA SEA NORTHERN PART, LUZON
STRAIT AND NORTH PACIFIC WESTERN PART.
SUBMARINE CABLE REPAIRING WORKS BY C/S
DEPENDABLE, 12184 TON. 11 AUG TO 10 OCT.
IN VICINITY OF LINE JOINING
21-30.0N 125-34.1E 20-46.6N 124-08.7E 
20-47.4N 123-17.8E 19-51.2N 121-51.7E
19-33.7N 120-07.4E 17-48.1N 119-11.8E
15-56.4N 119-15.1E 14-00.4N 120-19.0E.
CANCEL THIS MSG 11 OCT.




NAVAREA XI
NO.23-0252    Date:2023/07/28 08 UTC
EAST CHINA SEA.
LARGE BUOY REPORTED TO EXIST IN
31-00N 124-00E.




NAVAREA XI
NO.23-0207    Date:2023/06/14 12 UTC
NORTH PACIFIC, NANPO SHOTO.
DISCOLOURED WATER OBSERVED IN VICINITY
OF 24-17.2N 141-28.8E AT 140350Z JUN.
SUBMARINE VOLCANIC ERUPTION CONTINUE.
VESSELS REQUESTED TO BE CAUTION ADVISED.
CANCEL 0110/22.




NAVAREA XI
NO.23-0206    Date:2023/06/14 12 UTC
NORTH PACIFIC, NANPO SHOTO.
DISCOLOURED WATER OBSERVED IN VICINITY
OF 25-27.1N 141-14.5E AT 140425Z JUN.
VESSELS REQUESTED TO BE CAUTION ADVISED.
CANCEL 0162/23.




NAVAREA XI
NO.23-0076    Date:2023/03/02 12 UTC
NORTH PACIFIC, WEST CAROLINES.
DAYBEACONS DESTROYED.
A. NR.1, 07-17.08N 134-27.89E.
B. NR.2, 07-17.07N 134-27.79E.
CANCEL 0075/23.




NAVAREA XI
NO.12-0262    Date:2012/04/29 09 UTC
NORTH PACIFIC, NANPO SYOTO.
DISCOLOURED WATER OBSERVED IN VICINITY 
OF 24-49.3N 141-20.4E AT 290640Z APR.
VESSELS REQUESTED TO BE CAUTION ADVISED.