NAVAREA XI
NO.23-0105    Date:2023/03/23 12 UTC
NORTH PACIFIC, WAKE AND MARSHALLS. 
HAZARDOUS OPERATION CONCLUDED.
CANCEL 0102/23 AND THIS MSG.




NAVAREA XI
NO.23-0104    Date:2023/03/22 12 UTC
NEW GUINEA.
SPACE DEBRIS. 270200Z TO 270900Z MAR.
AREA BOUNDED BY 01-12N 144-31E
01-26N 144-48E 00-44N 145-22E
00-30N 145-05E.
CANCEL THIS MSG 271000Z MAR.




NAVAREA XI
NO.23-0103    Date:2023/03/21 12 UTC
JAPAN SEA. 
MISSILE FIRING. 1400Z TO 0800Z
COMMENCING DAILY 26 TO 30 MAR.
AREA BOUNDED BY
42-53.0N 131-28.3E 42-55.3N 131-42.6E
42-51.6N 132-04.0E 42-37.3N 133-11.7E
42-22.5N 133-09.1E 41-59.6N 132-53.2E
41-50.1N 132-38.9E 42-33.2N 131-13.0E
CANCEL THIS MSG 310900Z MAR.




NAVAREA XI
NO.23-0101    Date:2023/03/20 12 UTC
SOUTH CHINA SEA, NORTHERN PART.
SUBMARINE CABLE REPAIRING WORKS BY C/V
PETER FABER. UNTIL FURTHER NOTICE.
AREA BOUNDED BY
21-41.2N 114-28.1E 21-41.2N 114-45.4E
21-38.7N 114-45.4E 21-38.7N 114-28.1E.




NAVAREA XI
NO.23-0100    Date:2023/03/19 12 UTC
NORTH PACIFIC, MARIANAS. 
HAZARDOUS OPERATIONS. 2315Z TO 0945Z
COMMENCING DAILY 19 TO 24 MAR.
AREAS BOUNDED BY
A. 16-09.28N 148-09.46E
  17-00.00N 147-00.00E
  17-00.00N 145-05.00E
  15-43.37N 145-27.46E
  15-40.22N 146-12.03E
  15-25.00N 146-25.00E
  15-25.00N 146-27.40E.
B. 17-00.00N 147-00.00E
  17-00.00N 146-27.40E
  15-25.00N 146-27.40E
  15-25.00N 146-25.00E
  14-16.00N 146-25.00E
  14-45.00N 148-00.00E
  15-25.00N 148-04.00E
  16-09.28N 148-09.46E.
CANCEL THIS MSG 241045Z MAR.




NAVAREA XI
NO.23-0096    Date:2023/03/18 12 UTC
NAVAREA XI WARNING MESSAGES IN FORCE
181200Z MAR. ONLY THOSE MESSAGES ISSUED
DURING LAST SIX WEEKS ARE LISTED HEREIN.
0050 0071 0076 0084 0088 0092/23.
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 0089/23.




NAVAREA XI
NO.23-0088    Date:2023/03/10 12 UTC
SOUTH CHINA SEA, NORTHERN PART.
POSSIBLE PLATFORM REPORTED TO EXISTS IN
17-29.7N 111-09.8E.




NAVAREA XI
NO.23-0084    Date:2023/03/09 00 UTC
JAPAN SEA. 
GUNNERY. 2200Z TO 0800Z COMMENCING DAILY
12 TO 24 MAR. 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 250900Z MAR.




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.23-0071    Date:2023/02/24 12 UTC
NORTH PACIFIC, NANPO SHOTO.
GUNNERY. 2300Z TO 0900Z COMMENCING DAILY
28 FEB TO 30 MAR.
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 311000Z MAR.




NAVAREA XI
NO.23-0050    Date:2023/02/18 00 UTC
SOUTH CHINA SEA, SOUTHERN PART.
SEISMIC SURVEY BY M/V RAMFORM SOVEREIGN
TOWING TWELVE CABLES, EACH 9500 METRE
LONG, 2100 METRES IN WIDTH. UNTIL
FURTHER NOTICE. AREA BOUNDED BY
06-19.8N 113-48.2E 07-18.6N 112-51.2E
07-16.5N 113-58.7E 07-39.8N 114-25.9E
07-32.1N 114-34.0E 07-06.6N 114-09.1E
06-35.6N 114-05.5E.




NAVAREA XI
NO.23-0030    Date:2023/01/28 01 UTC
NORTH PACIFIC, MARIANAS.
DISCOLOURED WATER REPORTED IN VICINITY
OF 20-25.2N 145-01.8E AT 270127Z JAN.




NAVAREA XI
NO.23-0003    Date:2023/01/01 07 UTC
SOUTH CHINA SEA, NORTHERN PART.
POSSIBLE PLATFORM REPORTED TO EXISTS IN 
18-11.9N 110-50.9E.




NAVAREA XI
NO.22-0267    Date:2022/08/23 11 UTC
NORTH PACIFIC, NANPO SHOTO.
DISCOLOURED WATER OBSERVED IN VICINITY
OF 26-07.3N 141-05.6E AT 230456Z AUG.
VESSELS REQUESTED TO BE CAUTION ADVISED.
CANCEL 0261/22.




NAVAREA XI
NO.22-0227    Date:2022/07/22 00 UTC
EAST CHINA SEA.
BUOY, UNLIT, REPORTED TO EXISTS IN 
31-00N 124-00E.




NAVAREA XI
NO.22-0110    Date:2022/03/30 12 UTC
NORTH PACIFIC, NANPO SHOTO.
DISCOLOURED WATER OBSERVED IN VICINITY 
OF 24-17.2N 141-28.8E AT 290400Z MAR.
SUBMARINE VOLCANIC ERUPTION CONTINUE.
VESSELS REQUESTED TO BE CAUTION ADVISED.
CANCEL 0261/21.




NAVAREA XI
NO.22-0108    Date:2022/03/27 15 UTC
NORTH PACIFIC, NANPO SHOTO.
VOLCANIC FUNKA ASANE,
25-27.3N 141-14.3E.
INFLUENCE OF ERUPTION IS EXPECTED.
VESSELS REQUESTED TO BE 
CAUTION ADVISED.




NAVAREA XI
NO.21-0420    Date:2021/12/24 00 UTC
TIMOR SEA.
DRILLING RIG, VALARIS 107,
EXISTS IN 10-40.3S 126-07.0E.




NAVAREA XI
NO.21-0326    Date:2021/10/13 04 UTC
NORTH PACIFIC, NANPO SHOTO. 
DISCOLOURED WATER OBSERVED IN EXTENDING
SOUTH FOR 5 MILES, 2 MILE WIDE, FROM
27-16.7N 140-56.6E AT 120643Z OCT.
VESSELS REQUESTED TO BE CAUTION ADVISED.
CANCEL 0324/21.




NAVAREA XI
NO.21-0325    Date:2021/10/12 10 UTC
NORTH PACIFIC, NANPO SHOTO. 
DISCOLOURED WATER OBSERVED. WITHIN ABOUT
0.7 MILES OF 27-13.6N 140-55.3E AT
120643Z OCT. VESSELS REQUESTED TO BE
CAUTION ADVISED.




NAVAREA XI
NO.21-0231    Date:2021/07/13 12 UTC
NORTH PACIFIC, NANPO SHOTO.
DISCOLOURED WATER OBSERVED IN VICINITY 
OF 24-48.8N 141-19.2E AT 130800Z JUL.
VESSELS REQUESTED TO BE CAUTION ADVISED.




NAVAREA XI
NO.21-0195    Date:2021/06/14 02 UTC
NORTH PACIFIC, WEST CAROLINES.
OBSERVATION BUOY ESTABLISHED. 
13-06.9N 136-56.4E.




NAVAREA XI
NO.21-0124    Date:2021/04/13 00 UTC
MALACCA STRAIT.
NORTH CARDINAL LIGHT BUOY, 
02-48.6N 100-56.5E, EXTINGUISHED.




NAVAREA XI
NO.20-0503    Date:2020/12/24 14 UTC
SOUTH CHINA SEA, NORTHERN PART.
SUNKEN WRECK, CARGO SHIP, 4192 TONS,
112 METRE LONG, EXISTS IN
22-16.0N 116-31.7E.




NAVAREA XI
NO.20-0488    Date:2020/12/18 12 UTC
180500UTC ISSUED AT 180500UTC DEC 2020
VOLCANIC WARNING
VOLCANO NAME:NISHINO SHIMA
LOCATION:27-14.6N 140-52.7E INFLUENCE OF
ERUPTION IS EXPECTED WARNING WITHIN A
RADIUS OF 0.9 MILE.
CANCEL 0037, 0316/20.




NAVAREA XI
NO.20-0153    Date:2020/04/06 03 UTC
SOUTH CHINA SEA, NORTHERN PART.
YELLOW OBSERVATION BUOY REPORTED TO
EXISTS IN 19-20.6N 113-45.9E AT 04 APR.




NAVAREA XI
NO.19-0664    Date:2019/11/21 00 UTC
SOUTH CHINA SEA, SOUTHERN PART.
OIL RIG REPORTED TO EXISTS IN 07-42.1N 
107-55.8E.




NAVAREA XI
NO.19-0447    Date:2019/08/14 12 UTC
NORTH PACIFIC, MARIANAS.
GUAM NAVTEX STATION, V, 13-28.6N
144-50.1E, OFF AIR AND TRANSMITTING ON 
BACKUP 4209.5 KHZ FREQUENCY.
CANCEL 0340/18.




NAVAREA XI
NO.19-0132    Date:2019/03/07 12 UTC
SOUTH CHINA SEA, SOUTHERN PART.
OIL RIG REPORTED TO EXISTS IN 
07-47.5N 108-12.0E.
CANCEL 0034/16, 0454/18.




NAVAREA XI
NO.18-0471    Date:2018/09/12 12 UTC
NORTH PACIFIC, NANPO SHOTO.
ESTIMATED SUBMARINE VOLCANIC IN VICINITY
OF 24-45.6N 141-18.7E ON 12 SEP. 
VESSELS REQUESTED TO BE CAUTION ADVISED.




NAVAREA XI
NO.16-0024    Date:2016/01/15 13 UTC
SOUTH CHINA SEA, SOUTHERN PART.
PLATFORM REPORTED TO EXISTS IN 05-32.2N
114-22.2E.




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.