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NAVAREA XI

Japan32 in force6 new this week1,174 archivedupdated 10 Nov 2026, 12:21 UTC

Archive 1,174Full text
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Daily briefing3 new · 0 starting · 0 ending · 2 withdrawn (24 h)

New in the last 24 h

  • 26-0507Space debris

    Space debris hazard in the central North Pacific, daily 14-20 Nov

    Scheduledstarts 14 Nov 2026, 22:17 UTC (in 4 days)
  • 26-0508Missile / rocket launch

    Rocket launching - danger areas in western North Pacific

    Scheduledstarts 13 Nov 2026, 05:00 UTC (in 3 days)
  • 26-0506Piracy / security

    Armed robbery boarding reported in Singapore Strait (Phillip Channel area)

    Activeuntil 17 Nov 2026, 14:00 UTC (in 7 days)

Withdrawn in the last 24 h

26-049826-0500

Briefing for all regions →
  • 26-0508PAN PAN

    Rocket launching - danger areas in western North Pacific

    Scheduledstarts 13 Nov 2026, 05:00 UTC (in 3 days)Missile / rocket launch
    Show on map
    NORTH PACIFIC, WESTERN PART. ROCKET LAUNCHING. 130500Z TO 130900Z NOV. AREAS BOUNDED BY A. 24-28-29N 132-46-04E 25-02-30N 133-46-43E 22-11-33N 135-39-51E 21-37-52N 134-40-15E. B. 15-42-03N 138-55-05E 16-08-26N 139-44-02E 13-55-46N 140-59-49E 13-29-29N 140-11-17E. CANCEL 0498/26. CANCEL THIS MSG 131000Z NOV.
  • 26-0507PAN PAN

    Space debris hazard in the central North Pacific, daily 14-20 Nov

    Scheduledstarts 14 Nov 2026, 22:17 UTC (in 4 days)Space debris
    Show on map
    NORTH PACIFIC. SPACE DEBRIS. 2217Z TO 0144Z COMMENCING DAILY 14 TO 20 NOV. AREA BOUNDED BY 09-09.00N 153-46.00E 10-48.00N 156-18.00E 14-04.00N 162-04.00E 16-07.00N 165-35.00E 20-38.00N 174-31.00E 22-43.00N 179-15.00E 24-51.00N 176-13.00W 25-53.00N 173-20.00W 26-04.00N 171-02.00W 28-31.00N 161-14.00W 30-33.00N 150-16.00W 29-23.00N 150-15.00W 26-01.00N 153-49.00W 24-46.00N 154-54.00W 25-24.00N 157-46.00W 24-54.00N 161-42.00W 23-11.00N 168-32.00W 22-08.00N 173-08.00W 20-12.00N 179-07.00W 19-21.00N 178-12.00E 18-13.00N 174-58.00E 17-02.00N 170-17.00E 15-11.00N 165-56.00E 11-55.00N 159-26.00E 08-48.00N 154-06.00E. CANCEL THIS MSG 210244Z NOV.
  • 26-0506SÉCURITÉ

    Armed robbery boarding reported in Singapore Strait (Phillip Channel area)

    Activeuntil 17 Nov 2026, 14:00 UTC (in 7 days)Piracy / security
    Show on map
    SINGAPORE STRAIT. ARMED ROBBERY INFORMATION. 091832Z NOV. 01-08.11N 103-29.15E. ACCORDING TO INFORMATION, A TANKER BOARDED BY SIX PERPETRATORS ARMED WITH GUN-LIKE OBJECT WHILE TRANSITING ALONG THE PHILLIP CHANNEL. VESSEL REQUESTED TO BE CAUTION ADVISED. CANCEL THIS MSG 171400Z NOV.
  • 26-0505

    Submarine cable recovery works by M/V ANIEK in Marshall Islands area

    ActiveCable / pipeline work
    Show on map
    NORTH PACIFIC, MARSHALLS. SUBMARINE CABLE RECOVERY WORKS BY M/V ANIEK, 1008 TONS, UNTIL FURTHER NOTICE. IN VICINITY OF LINE JOINING 16-19.00N 159-56.00E 15-56.00N 158-58.00E 15-57.00N 158-40.00E 15-52.00N 158-10.00E 15-25.00N 156-55.00E 15-20.00N 156-30.00E 15-00.00N 155-50.00E 14-15.00N 155-04.00E 14-05.00N 154-50.00E 14-03.00N 154-39.00E. CANCEL 0503/26.
  • 26-0504PAN PAN

    Space debris danger area in North Pacific 14-20 Nov (daily 0130-0501Z)

    Scheduledstarts 14 Nov 2026, 01:30 UTC (in 3 days)Space debris
    Show on map
    NORTH PACIFIC. SPACE DEBRIS. 0130Z TO 0501Z DAILY 14 TO 20 NOV. AREA BOUNDED BY 23-56.00N 144-37.00E 26-09.00N 151-14.00E 27-46.00N 156-36.00E 29-28.00N 165-10.00E 30-43.00N 172-44.00E 31-10.00N 178-00.00E 31-16.00N 175-01.00W 31-21.00N 171-27.00W 30-33.00N 161-15.00W 29-37.00N 155-40.00W 28-49.00N 151-35.00W 26-53.00N 145-26.00W 26-50.00N 145-28.00W 24-03.00N 154-32.00W 23-46.00N 156-11.00W 24-52.00N 159-19.00W 27-38.00N 167-49.00W 29-23.00N 175-00.00W 29-35.00N 176-36.00W 29-37.00N 179-58.00W 29-28.00N 176-13.00E 29-11.00N 170-10.00E 28-12.00N 163-45.00E 26-39.00N 156-17.00E 23-27.00N 144-49.00E. CANCEL THIS MSG 200601Z NOV.
  • 26-0499

    NAVAREA XI warnings in force list issued 07 Nov 1200Z

    InformationalWarnings in force
    Show on map
    NAVAREA XI WARNING MESSAGES IN FORCE 071200Z NOV. ONLY THOSE MESSAGES ISSUED DURING LAST SIX WEEKS ARE LISTED HEREIN. 0484 0485 0491 0493 0496 0498/26. 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 0492/26.
  • 26-0493PAN PAN

    Gunnery exercises in northern South China Sea in area bounded by four positions

    Activeuntil 14 Nov 2026, 15:00 UTC (in 4 days)Firing practice
    Show on map
    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.
  • 26-0485PAN PAN

    Gunnery exercises in part of the Japan Sea (area bounded by 42-40.0N 131-41.0E ...)

    Activeuntil 30 Nov 2026, 11:00 UTC (in 20 days)Firing practice
    Show on map
    JAPAN SEA. GUNNERY. 2200Z TO 1000Z COMMENCING DAILY 31 OCT TO 1,13,15 TO 20,22 TO 27 AND 29 NOV. AREA BOUNDED BY 42-40.00N 131-41.00E 42-40.00N 131-57.00E 42-38.50N 132-15.00E 42-15.00N 132-15.00E 42-15.00N 131-41.00E. CANCEL THIS MSG 301100Z NOV.
  • 26-0484PAN PAN

    Gunnery firing exercises in Nanpo Shoto, nightly 31 Oct-29 Nov

    Activeuntil 30 Nov 2026, 10:00 UTC (in 20 days)Firing practice
    Show on map
    NORTH PACIFIC, NANPO SHOTO. GUNNERY. 2300Z TO 0900Z COMMENCING DAILY 31 OCT TO 29 NOV. 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 NOV.
  • 26-0408

    Sunken wreck reported in the Java Sea

    ActiveWreck / obstruction
    Show on map
    JAVA SEA. SUNKEN WRECK, EXISTS IN 04-32-31.8S 114-01-36.0E.
  • 26-0401

    Volcanic eruption influence expected around Nishino Shima within 0.6 miles

    ActiveOther
    Show on map
    080200UTC ISSUED AT 080200UTC SEP 2026 VOLCANIC WARNING VOLCANO NAME:NISHINO SHIMA LOCATION:27-14.60N 140-52.70E INFLUENCE OF ERUPTION IS EXPECTED WARNING WITHIN A RADIUS OF 0.6 MILES. CANCEL 0488/20.
  • 26-0400SÉCURITÉ

    Guam HF NAVTEX station off air in the Marianas (North Pacific)

    ActiveAids to navigation
    Show on map
    NORTH PACIFIC, MARIANAS. GUAM HF NAVTEX STATION, V, 13-29.00N 144-50.00E, OFF AIR.
  • 26-0387

    Apo Island light (Philippines) extinguished

    ActiveAids to navigation
    Show on map
    PHILIPPINES. APO ISLAND LIGHT, 09-04.98N 123-16.22E, F2344, EXTINGUSHED.
  • 26-0386

    Sunken wreck reported in the Java Sea

    ActiveWreck / obstruction
    Show on map
    JAVA SEA. SUNKEN WRECK, EXISTS IN 04-14-42S 113-44-18E.
  • 26-0356SÉCURITÉ

    Seismic survey towing cables in southern Gulf of Thailand and South China Sea until 31 Dec 2026

    Activeuntil 01 Jan 2027, 00:00 UTC (in 51 days)Survey operations
    Show on map
    GULF OF THAILAND AND SOUTH CHINA SEA, SOUTHERN PART. SEISMIC SURVEY WORKS BY M/V PXGEO 2 TOWING EIGHT CABLES, EACH 5 MILE LONG. UNTIL 31 DEC 2026. AREA BOUNDED BY 06-33.00N 103-25.00E 06-50.00N 102-58.00E 06-55.00N 103-14.00E 07-02.00N 103-04.00E 06-50.00N 102-21.00E 06-28.00N 102-09.00E 05-54.00N 103-01.00E. CANCEL THIS MSG 01 JAN 2027.
  • 26-0328

    Lighted buoy No.1 missing in Malakal Harbor, West Carolines

    ActiveAids to navigation
    Show on map
    NORTH PACIFIC, WEST CAROLINES. MALAKAL HARBOR NR.1 LIGHTED BOUY, 07-19.17N 134-27.17E, MISSING.
  • 26-0322

    Discoloured water reported near Marianas (20-26.0N 145-01.0E)

    ExpiredNavigational hazard
    Show on map
    NORTH PACIFIC, MARIANAS. DISCOLOURED WATER REPORTED IN VICINITY OF 20-26.00N 145-01.00E AT 160013Z JUL. CANCEL 0020/24. NAVAREA XI
  • 25-0437

    Sunken wreck in northern South China Sea

    ActiveWreck / obstruction
    Show on map
    SOUTH CHINA SEA, NORTHERN PART. SUNKEN WRECK EXISTS IN 10-22.31N 107-46.96E.
  • 25-0412

    Volcanic eruption continuing at Io To (Nanpo Shoto) - exercise caution

    ActiveNavigational hazard
    Show on map
    NORTH PACIFIC, NANPO SHOTO. IO TO. VOLCANIC ERUPTION CONTINUE. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0539/24. NAVAREA XI
  • 24-0492

    Volcanic warning for Sumisu Shima (Nanpo Shoto)

    ExpiredOther
    Show on map
    NORTH PACIFIC, NANPO SHOTO. 180500Z ISSUED AT 190200Z SEP. VOLCANIC WARNING. VOLCANO NAME : SUMISU SHIMA. LOCATION : 31-26.30N 140-03.00E INFLUENCE OF ERUPTION IS EXPECTED WARNING AROUND THE VOLCANO.
  • 24-0491

    Discoloured water reported near Nanpo Shoto (31-26.4N 140-03.0E)

    ExpiredNavigational hazard
    Show on map
    NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 31-26.40N 140-03.00E AT 180545Z SEP. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0369/24. NAVAREA XI
  • 23-0435SÉCURITÉ

    Manira NAVTEX station inoperative, Philippines

    ActiveAids to navigation
    Show on map
    NORTH PACIFIC, PHILIPPINES AND SOUTH CHINA SEA. MANIRA NAVTEX STATION, J, 14-30.30N 121-03.90E, INOPERATIVE. UNTIL FURTHER NOTICE. DETAILS SHOULD BE INQUIREDOF PHILIPPINE COAST GUARD. MOBILE NUMBER : +63968-854-6604. E-MAIL : [email protected] (ALL LOWER CASE LETTERS).
  • 23-0252

    Large buoy reported in East China Sea

    ActiveAids to navigation
    Show on map
    EAST CHINA SEA. LARGE BUOY REPORTED TO EXIST IN 31-00.00N 124-00.00E.
  • 23-0207

    Submarine volcanic eruption and discoloured water near Nanpo Shoto

    ActiveNavigational hazard
    Show on map
    NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 24-17.20N 141-28.80E AT 140350Z JUN. SUBMARINE VOLCANIC ERUPTION CONTINUE. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0110/22.
  • 23-0206

    Discoloured water reported near Nanpo Shoto (25-27.1N 141-14.5E)

    ExpiredNavigational hazard
    Show on map
    NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 25-27.10N 141-14.50E AT 140425Z JUN. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0162/23. NAVAREA XI
  • 21-0326

    Discoloured water extending south of Nanpo Shoto observed 12 Oct

    ExpiredNavigational hazard
    Show on map
    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.
  • 21-0325

    Discoloured water reported near Nanpo Shoto

    ExpiredNavigational hazard
    Show on map
    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.
  • 21-0231

    Discoloured water reported near Nanpo Shoto

    ActiveOther
    Show on map
    NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 24-48.80N 141-19.20E AT 130800Z JUL. VESSELS REQUESTED TO BE CAUTION ADVISED. NAVAREA XI
  • 20-0153

    Yellow observation buoy reported in northern South China Sea

    ActiveAids to navigation
    Show on map
    SOUTH CHINA SEA, NORTHERN PART. YELLOW OBSERVATION BUOY REPORTED TO EXISTS IN 19-20.60N 113-45.90E AT 04 APR. NAVAREA XI
  • 19-0664

    Oil rig reported in southern South China Sea

    ActiveRig positions
    Show on map
    SOUTH CHINA SEA, SOUTHERN PART. OIL RIG REPORTED TO EXISTS IN 07-42.10N 107-55.80E.
  • 19-0132

    Oil rig reported in southern South China Sea

    ActiveRig positions
    Show on map
    SOUTH CHINA SEA, SOUTHERN PART. OIL RIG REPORTED TO EXISTS IN 07-47.50N 108-12.00E. CANCEL 0034/16, 0454/18. NAVAREA XI
  • 12-0262

    Discoloured water observed near Nanpo Syoto

    ExpiredNavigational hazard
    Show on map
    NORTH PACIFIC, NANPO SYOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 24-49.30N 141-20.40E AT 290640Z APR. VESSELS REQUESTED TO BE CAUTION ADVISED.
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