Military exercises in the North Pacific Ocean

Gunnery, firing and naval exercise areas.

in force
6
last 12 months
20
vs previous 12 (30)
-33%
since 1993
4,626

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 6

  1. NAVAREA XI 380/26in force2026-08-22
    Hazardous operations are taking place in the Marianas area from 27 August 0200Z to 0600Z, with cancellation at 0700Z.
    North Pacific, Marianas
  2. HYDROPAC 2152/26in force2026-07-27
    Gunnery exercises daily 2300-0900 Zulu, July 31 to August 30, North Pacific area bounded by 28-15N 146-30E, 25-25N 147-38E, 25-00N 145-36E, 27-55N 145-58E.
    North Pacific
  3. NAVAREA XI 342/26in force2026-07-27
    Gunnery exercise in North Pacific near Nanpo Shoto daily from 31 July to 30 August, 2300Z to 0900Z, in a bounded area.
    North Pacific, Nanpo Shoto · Gunnery
  4. NAVAREA XII 512/26in force2026-07-23
    Hazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.
    North Pacific · California
  5. NAVAREA XII 510/26in force2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
    North Pacific · California
  6. NAVAREA XII 511/26in force2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
    North Pacific · California

Longest in force

  1. NAVAREA XII 511/26in force2026-07-23 · 33 d
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
    North Pacific · California
  2. NAVAREA XII 510/26in force2026-07-23 · 33 d
    Hazardous operations are underway off the coast of California from August 1 to September 1.
    North Pacific · California
  3. NAVAREA XII 512/26in force2026-07-23 · 33 d
    Hazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.
    North Pacific · California
  4. NAVAREA XI 342/26in force2026-07-27 · 29 d
    Gunnery exercise in North Pacific near Nanpo Shoto daily from 31 July to 30 August, 2300Z to 0900Z, in a bounded area.
    North Pacific, Nanpo Shoto · Gunnery
  5. HYDROPAC 2152/26in force2026-07-27 · 29 d
    Gunnery exercises daily 2300-0900 Zulu, July 31 to August 30, North Pacific area bounded by 28-15N 146-30E, 25-25N 147-38E, 25-00N 145-36E, 27-55N 145-58E.
    North Pacific

By year

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02
03
04
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06
07
08
09
10
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17
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19
20
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25
26

By month (all years)

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Other hazards in the North Pacific Ocean

Archive · 4,620 cancelled

  1. HYDROPAC 2015/032003-11-22 → 2003-11-27
    Hazardous operations 2200Z to 0400Z commencing daily 25 and 26 nov in area bound by 51-24N 161-07E, 52-28N…
  2. HYDROPAC 1810/032003-10-18 → 2003-10-21
    Hazardous operations 202100Z to 202359Z oct within 20 miles of 14-41.2N 152-25.3E
  3. NAVAREA XII 297/032003-10-16 → 2003-10-20
    Hazardous operations 1547Z to 1727Z daily 18 thru 20 oct in areas bound by: a. 34-26N 120-39W, 34-26N…
  4. HYDROPAC 1790/032003-10-15 → 2003-10-18
    Hazardous operations 202100Z to 202359Z oct within 20 miles of 16-11N 158-39E
  5. NAVAREA XII 287/032003-10-10 → 2003-10-16
    Hazardous operations 1547Z to 1727Z daily 15 thru 17 oct in areas bound by: a. 34-26N 120-39W, 34-26N…
  6. NAVAREA XII 264/032003-09-23 → 2003-09-29
    Hazardous operations 2000Z to 0252Z commencing daily 27 sep thru 27 oct in area bound by 07-53N 106-16W,…
  7. HYDROPAC 1593/032003-09-16 → 2003-09-23
    Hazardous operations 2230Z to 0430Z commencing daily 21 and 22 sep in area bound by 51-24N 161-07E, 52-28N…
  8. HYDROPAC 1534/032003-09-06 → 2003-09-10
    Hazardous operations 1131Z to 1731Z daily 10 thru 12 sep in areas bound by: a. 08-43N 167-23E, 08-48N…
  9. HYDROPAC 1533/032003-09-06 → 2003-09-10
    Hazardous operations 1101Z to 1831Z daily 10 thru 12 sep in area bound by 12-30N 172-42E, 12-53N 173-18E,…
  10. NAVAREA XII 240/032003-09-06 → 2003-09-10
    Hazardous operations 1101Z to 1831Z daily 10 thru 12 sep in areas bound by: a. 34-48N 121-00W, 34-50N…
  11. HYDROPAC 1522/032003-09-04 → 2003-09-04
    Hazardous operations 040100Z sep within 100 miles of 32-00N 155-55E
  12. HYDROPAC 1439/032003-08-22 → 2003-08-28
    Hazardous operations 260900Z to 270600Z aug and 271100Z to 280500Z aug in area bound by 53-16.0N 160-00.0E,…
  13. HYDROPAC 1382/032003-08-11 → 2003-08-16
    Hazardous operations 2300Z to 0300Z commencing daily 14 and 15 aug in area bound by 52-30.0N 159-17.0E,…
  14. NAVAREA XII 212/032003-08-11 → 2003-08-16
    Hazardous operations 1800Z to 0001Z commencing daily 15 thru 19 aug in areas bound by: a. 34-45N 120-42W,…
  15. HYDROPAC 1361/032003-08-07 → 2003-08-14
    Hazardous operations 2300Z to 0300Z commencing daily 12 and 13 aug in area bound by 52-30.0N 159-17.0E,…
  16. HYDROPAC 1325/032003-08-01 → 2003-08-06
    Hazardous operations 0701Z to 1501Z daily 06 thru 08 aug in areas bound by: a. 09-17N 167-22E, 09-23N…
  17. NAVAREA XII 196/032003-08-01 → 2003-08-06
    Hazardous operations 0801Z to 1531Z daily 06 thru 08 aug in areas bound by: a. 34-50N 121-04W, 34-52N…
  18. HYDROPAC 1323/032003-07-31 → 2003-08-07
    Hazardous operations 1830Z to 0030Z commencing daily 05 and 06 aug in area bound by 51-24N 161-06E, 52-28N…
  19. HYDROPAC 1293/032003-07-27 → 2003-08-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55.3N 144-57.8E,…
  20. HYDROPAC 1272/032003-07-24 → 2003-08-01
    Hazardous operations 2200Z to 1200Z commencing daily 28 thru 31 jul in area bound by 13-00N 144-10E, 13-00N…
  21. HYDROPAC 1231/032003-07-16 → 2003-07-22
    Hazardous operations 211900Z to 220700Z jul within ten miles of 16-01N 146-04E
  22. HYDROPAC 1188/032003-07-10 → 2003-07-20
    Gunnery exercises 131301Z to 201259Z jul within ten miles of 16-01N 146-04E
  23. NAVAREA XII 165/032003-06-21 → 2003-06-26
    Hazardous operations 1820Z to 2005Z daily 26 thru 30 jun in areas bound by: a. 35-39N 123-29W, 36-23N…
  24. HYDROPAC 1020/032003-06-13 → 2003-06-14
    Gunnery exercises 132000Z to 140700Z jun in areas bound by: a. 17-00N 145-00E, 17-00N 146-20E, 16-00N…
  25. NAVAREA XII 158/032003-06-13 → 2003-06-19
    Hazardous operations 181900Z to 182359Z jun, alternate 1900Z to 2359Z daily 19 thru 21 jun in area bound by…
  26. HYDROPAC 989/032003-06-09 → 2003-06-11
    Hazardous operations 0701Z to 1501Z daily 11 thru 13 jun in areas bound by: a. 08-52N 167-36E, 09-16N…
  27. HYDROPAC 988/032003-06-09 → 2003-06-11
    Hazardous operations 0731Z to 1501Z daily 11 thru 13 jun in area bound by 13-03N 173-40E, 13-25N 174-14E,…
  28. NAVAREA XII 151/032003-06-09 → 2003-06-11
    Hazardous operations 0731Z to 1501Z daily 11 thru 13 jun in areas bound by: a. 34-49N 121-01W, 34-50N…
  29. HYDROPAC 987/032003-06-09 → 2003-06-11
    Hazardous operations 102200Z to 111000Z jun within 25 miles of 14-40N 147-15E
  30. HYDROPAC 986/032003-06-09 → 2003-06-09
    Hazardous operations in progress until 091200Z jun within 20 miles of 14-00N 147-00E
  31. NAVAREA XII 150/032003-06-06 → 2003-06-12
    Hazardous operations 1636Z to 0202Z commencing daily 11 jun thru 11 jul in area bound by 06-08N 101-08W,…
  32. HYDROPAC 963/032003-06-05 → 2003-06-05
    Hazardous operations 060200Z to 061400Z jun within 20 miles of 14-00N 147-00E
  33. HYDROPAC 958/032003-06-04 → 2003-06-06
    Hazardous operations 060200Z to 061400Z jun within 20 miles of 14-00N 147-00E
  34. HYDROPAC 945/032003-06-02 → 2003-06-08
    Hazardous operations 2215Z to 2315Z daily 06 and 07 jun within 216 miles of 31-55N 153-45E
  35. HYDROPAC 892/032003-05-25 → 2003-05-31
    Hazardous operations 1630Z to 2230Z daily 30 and 31 may in area bound by 52-30N 159-29E, 52-38N 159-29E,…
  36. HYDROPAC 848/032003-05-16 → 2003-05-19
    Hazardous operations 2215Z to 2315Z daily 19 and 20 may in area bound by 33-40N 153-00E, 31-20N 156-30E,…
  37. HYDROPAC 847/032003-05-16 → 2003-05-16
    Hazardous operations 202215Z to 202315Z may, alternate 212215Z to 212315Z may in area bound by 33-40N…
  38. HYDROPAC 701/032003-04-23 → 2003-04-30
    Hazardous operations 2030Z to 0230Z commencing daily 28 and 29 apr in area bound by 52-30N 159-29E, 52-38N…
  39. HYDROPAC 669/032003-04-16 → 2003-04-17
    Hazardous operations in progress until further notice in area bound by 25-58N 158-36E, 26-11N 158-08E,…
  40. NAVAREA XII 90/032003-04-03 → 2003-04-10
    Hazardous operations 2000Z to 0230Z commencing daily 08 apr thru 08 may in area bound by 06-46N 130-05W,…
  41. HYDROPAC 485/032003-03-19 → 2003-03-22
    Hazardous operations 220230Z to 220810Z mar within 120 miles of 16-56N 155-00E
  42. HYDROPAC 412/032003-03-08 → 2003-03-12
    Hazardous operations 0701Z to 1601Z daily 12 thru 14 mar in areas bound by: a. 09-08N 167-08E, 09-23N…
  43. NAVAREA XII 68/032003-03-08 → 2003-03-12
    Hazardous operations 0731Z to 1501Z daily 12 thru 14 mar in areas bound by: a. 34-48N 121-02W, 34-49N…
  44. NAVAREA XII 28/032003-02-03 → 2003-02-06
    Hazardous operations 2030Z to 0200Z commencing daily 06 thru 09 feb in areas bound by: a. 34-37N 120-42W,…
  45. HYDROPAC 46/032003-01-11 → 2003-01-17
    Hazardous operations 161609Z to 162124Z jan, alternate 171609Z to 172124Z jan in area bound by 06-04S…
  46. NAVAREA XII 10/032003-01-11 → 2003-01-17
    Hazardous operations 161609Z to 162124Z jan, alternate 171609Z to 172124Z jan in area bound by 06-04S…
  47. NAVAREA XII 4/032003-01-07 → 2003-01-13
    Hazardous operations 0015Z to 0230Z daily 12 thru 14 jan in areas bound by: a. 34-30N 120-38W, 34-32N…
  48. NAVAREA XII 368/022002-12-31 → 2003-01-06
    Hazardous operations 1348Z to 1533Z daily 05 thru 07 jan in areas bound by: a. 34-26N 120-39W, 34-26N…
  49. NAVAREA XII 358/022002-12-19 → 2002-12-21
    Hazardous operations 201630Z to 201900Z dec, alternate 211630Z to 211900Z dec in area bound by 30-38N…
  50. NAVAREA XII 355/022002-12-17 → 2002-12-18
    Hazardous operations 1348Z to 1533Z daily 18 thru 21 dec in areas bound by: a. 34-26N 120-39W, 34-26N…

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Military exercises in the North Pacific Ocean — page 85 · seahazards