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

93
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the North Pacific Ocean

Archive · 4,620 cancelled

  1. NAVAREA XII 324/002000-09-15 → 2000-09-21
    Hazardous operations 2000Z to 2300Z daily 20 and 21 sep in areas bound by: a. 31-10N 117-35W, 31-10N…
  2. NAVAREA XII 315/002000-09-08 → 2000-09-15
    Hazardous operations 2000Z to 0300Z commencing daily 14 sep thru 14 oct in area bound by 08-28N 094-42W,…
  3. HYDROPAC 1316/002000-09-04 → 2000-09-09
    Hazardous operations 081300Z to 081446Z sep, alternate 091237Z to 091414Z sep within 105 miles of trackline…
  4. NAVAREA XII 310/002000-09-04 → 2000-09-09
    Hazardous operations 081300Z to 081446Z sep, alternate 091237Z to 091414Z sep within 105 miles of trackline…
  5. HYDROPAC 1262/002000-08-24 → 2000-08-29
    Hazardous operations 0200Z to 0700Z daily 25 and 26 aug, 2100Z to 0200Z commencing daily 27 and 28 aug and…
  6. NAVAREA XII 301/002000-08-24 → 2000-08-26
    Hazardous operations 0930Z to 1100Z daily 25 and 26 aug within 108 miles of 31-36-23N 169-24-21W
  7. NAVAREA XII 299/002000-08-23 → 2000-08-24
    Hazardous operations 0930Z to 1100Z daily 25 and 26 aug within 108 miles of 31-36-23N 169-24-21W
  8. HYDROPAC 1243/002000-08-20 → 2000-08-24
    Hazardous operations 0200Z to 0700Z daily 25 and 26 aug and 2100Z to 0200Z commencing daily 27 and 28 aug in…
  9. NAVAREA XII 284/002000-08-11 → 2000-08-18
    Hazardous operations 2130Z to 0300Z commencing daily 16 thru 19 aug in areas bound by: a. 34-28N 120-29W,…
  10. NAVAREA XII 283/002000-08-11 → 2000-08-18
    Hazardous operations 141500Z to 141700Z aug and 181500Z to 181700Z aug in area bound by 32-54-20N…
  11. HYDROPAC 1163/002000-08-07 → 2000-08-14
    Hazardous operations 2000Z to 1959Z commencing daily 09, 11 and 13 aug within 30 miles of 44-40N 166-30E
  12. NAVAREA XII 275/002000-07-31 → 2000-08-06
    Hazardous operations 1700Z to 2100Z daily 05 and 06 aug in areas bound by: a. 31-10N 117-35W, 31-10N…
  13. NAVAREA XII 271/002000-07-28 → 2000-08-04
    Hazardous operations 1400Z to 0230Z commencing daily 31 jul thru 03 aug in area bound by 32-55N 118-25W,…
  14. NAVAREA XII 259/002000-07-21 → 2000-07-29
    Hazardous operations: a. 241900Z to 250100Z jul in area bound by 32-47.2N 118-56.5W, 32-57.4N 118-42.1W,…
  15. NAVAREA XII 242/002000-07-14 → 2000-07-19
    Hazardous operations 1939Z to 2235Z daily 19 thru 24 jul in areas bound by: a. 34-24N 120-46W, 34-25N…
  16. NAVAREA XII 239/002000-07-11 → 2000-07-17
    Hazardous operations 0200Z to 0800Z daily 15 thru 17 jul in area bound by 23-36N 165-00W, 28-03N 163-33W,…
  17. NAVAREA XII 237/002000-07-10 → 2000-07-11
    Hazardous operations 0200Z to 0800Z daily 14 thru 16 jul in area bound by 23-36N 165-00W, 28-03N 163-33W,…
  18. NAVAREA XII 236/002000-07-10 → 2000-07-14
    Hazardous operations 141930Z to 142030Z jul in areas bound by: a. 31-10N 117-35W, 31-10N 116-46W, 30-25N…
  19. NAVAREA XII 233/002000-07-07 → 2000-07-14
    Hazardous operations 1330Z to 2359Z daily 12 and 13 jul in area bound by 32-35.0N 117-40.0W, 31-20.0N…
  20. HYDROPAC 975/002000-07-04 → 2000-07-08
    Hazardous operations 0046Z to 0830Z daily 08 thru 10 jul in area bound by 12-00N 162-00E, 19-00N 162-00E,…
  21. NAVAREA XII 231/002000-07-04 → 2000-07-08
    Hazardous operations 0131Z to 0701Z daily 08 thru 10 jul in areas bound by: a. 34-48N 120-56W, 34-51N…
  22. HYDROPAC 974/002000-07-04 → 2000-07-08
    Hazardous operations 080200Z to 080830Z jul in area bound by 08-51N 166-30E, 08-43N 167-43E, 07-51N 166-52E
  23. NAVAREA XII 230/002000-07-04 → 2000-07-10
    Hazardous operations 1545Z to 0001Z commencing daily 08 and 09 jul in areas: a. bound by 31-00N 118-25W,…
  24. NAVAREA XII 212/002000-06-16 → 2000-06-23
    Hazardous operations 1700Z to 1900Z daily 22 and 23 jun in areas: a. bound by 31-00N 118-25W, 31-00N…
  25. NAVAREA XII 208/002000-06-12 → 2000-06-16
    Hazardous operations 152300Z to 160100Z jun in area bound by 32-58.2N 118-42.8W, 32-43.6N 119-03.4W,…
  26. HYDROPAC 865/002000-06-10 → 2000-06-13
    Hazardous operations 122301Z to 130115Z jun in area bound by 08-51N 166-30E, 08-43N 167-43E, 07-51N 166-52E
  27. HYDROPAC 848/002000-06-07 → 2000-06-10
    Hazardous operations 0701Z to 1601Z daily 09 and 10 jun in areas: a. bound by 09-17N 167-23E, 09-23N…
  28. NAVAREA XII 201/002000-06-06 → 2000-06-07
    Hazardous operations 1227Z to 1500Z daily 06 thru 08 jun in areas bound by: a. 35-29N 123-09W, 36-09N…
  29. NAVAREA XII 197/002000-06-03 → 2000-06-10
    Hazardous operations 0731Z to 1501Z daily 09 thru 12 jun in areas bound by a. 34-48N 121-01W, 34-50N…
  30. HYDROPAC 829/002000-06-03 → 2000-06-10
    Hazardous operations 0731Z to 1501Z daily 09 thru 12 jun in area bound by 13-28N 174-18E, 13-54N 175-00E,…
  31. NAVAREA XII 196/002000-06-02 → 2000-06-10
    Hazardous operations 091030Z to 091930Z and 101930Z to 102130Z jun in area bound by 32-53N 119-13W, 32-45N…
  32. NAVAREA XII 195/002000-06-02 → 2000-06-18
    Hazardous operations 1600Z to 0500Z commencing daily 05 thru 17 jun in area bound by 22-05N 159-50W, 22-05N…
  33. NAVAREA XII 191/002000-06-01 → 2000-06-06
    Hazardous operations 1227Z to 1455Z daily 06 thru 08 jun in areas bound by: a. 35-29N 123-09W, 36-09N…
  34. HYDROPAC 818/002000-05-31 → 2000-06-01
    Hazardous operations 0731Z to 1501Z daily 02 thru 05 jun in area bound by 13-28N 174-18E, 13-54N 175-00E,…
  35. NAVAREA XII 189/002000-05-31 → 2000-06-01
    Hazardous operations 0731Z to 1501Z daily 02 thru 05 jun in areas bound by: a. 34-48N 121-01W, 34-50N…
  36. HYDROPAC 780/002000-05-26 → 2000-05-31
    Hazardous operations 0701Z to 1601Z daily 01 and 02 jun in areas: a. bound by 09-17N 167-23E, 09-23N…
  37. NAVAREA XII 180/002000-05-26 → 2000-05-31
    Hazardous operations 0731Z to 1501Z daily 01 and 02 jun in areas bound by: a. 34-48N 121-01W, 34-50N…
  38. HYDROPAC 763/002000-05-23 → 2000-05-29
    Hazardous operations 1800Z to 0100Z commencing daily 28 and 29 may in area bound by 11-42N 163-56E, 11-56N…
  39. NAVAREA XII 171/002000-05-23 → 2000-05-29
    Hazardous operations 1930Z to 0100Z commencing daily 28 and 29 may in areas bound by: a. 34-51N 120-55W,…
  40. NAVAREA XII 167/002000-05-20 → 2000-05-23
    Hazardous operations 222300Z to 230200Z may in area bound by 32-54-19N 119-13-31W, 33-08-04N 118-55-32W,…
  41. HYDROPAC 740/002000-05-19 → 2000-05-24
    Hazardous operations 0701Z to 1601Z daily 24 thru 26 may in areas bound by: a. 09-00N 163-45E, 08-07N…
  42. NAVAREA XII 165/002000-05-19 → 2000-05-24
    Hazardous operations 0731Z to 1501Z daily 24 thru 26 may in areas bound by: a. 34-50N 121-03W, 34-51N…
  43. NAVAREA XII 161/002000-05-18 → 2000-05-20
    Hazardous operations 201500Z to 201800Z may in area bound by 32-54-19N 119-13-31W, 33-08-04N 118-55-32W,…
  44. HYDROPAC 726/002000-05-17 → 2000-05-20
    Hazardous operations 191028Z to 191214Z may, alternate 201005Z to 201151Z may within 105 miles of trackline…
  45. NAVAREA XII 159/002000-05-17 → 2000-05-20
    Hazardous operations 191028Z to 191214Z may, alternate 201005Z to 201151Z may within 105 miles of trackline…
  46. NAVAREA XII 158/002000-05-16 → 2000-05-22
    Hazardous operations 1227Z to 1455Z daily 20 thru 22 may in areas bound by: a. 35-29N 123-09W, 36-09N…
  47. NAVAREA XII 157/002000-05-16 → 2000-05-18
    Hazardous operations 191500Z to 191800Z may in area bound by 32-54-19N 119-13-31W, 33-08-04N 118-55-32W,…
  48. HYDROPAC 718/002000-05-15 → 2000-05-19
    Hazardous operations 0001Z to 0900Z daily 16 thru 19 may within 50 miles of 40-00N 144-00E
  49. HYDROPAC 713/002000-05-15 → 2000-05-17
    Hazardous operations 181030Z to 181300Z may, alternate 191007Z to 191237Z may within 105 miles of trackline…
  50. NAVAREA XII 156/002000-05-15 → 2000-05-17
    Hazardous operations 181030Z to 181300Z may, alternate 191007Z to 191237Z may within 105 miles of trackline…

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 90 · seahazards