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 · 32 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 · 32 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 · 32 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
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M
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J
A
S
O
N
D

Other hazards in the North Pacific Ocean

Archive · 4,620 cancelled

  1. NAVAREA XII 210/082008-06-08 → 2008-06-13
    Hazardous operations 131730Z to 132200Z jun, alternate 1730Z to 2200Z daily 14 and 16 jun in area bound by…
  2. HYDROPAC 1084/082008-06-07 → 2008-06-15
    Hazardous operations 2100Z to 1500Z commencing daily 06 thru 14 jun within ten miles of 16-01N 146-04E
  3. HYDROPAC 1081/082008-06-06 → 2008-06-07
    Hazardous operations 2200Z to 1500Z commencing daily 06 thru 14 jun within ten miles of 16-01N 146-04E
  4. NAVAREA XII 201/082008-06-03 → 2008-06-06
    Hazardous operations 1500Z to 2300Z daily 04 and 06 jun in area bound by 30-48N 118-25W, 30-48N 117-40W,…
  5. NAVAREA XII 197/082008-05-31 → 2008-06-06
    Hazardous operations 051730Z to 052200Z jun, alternate 1730Z to 2200Z daily 06 and 08 jun in area bound by…
  6. HYDROPAC 1018/082008-05-28 → 2008-06-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55-15N 144-57-48E,…
  7. HYDROPAC 998/082008-05-23 → 2008-05-31
    Hazardous operations 1401Z to 1359Z commencing daily 24 thru 31 may within ten miles of 16-01N 146-04E
  8. HYDROPAC 958/082008-05-17 → 2008-05-22
    Hazardous operations: a. 0931Z to 1701Z daily 22 thru 27 may in area bound by 09-36N 144-31E, 09-37N…
  9. NAVAREA XII 184/082008-05-17 → 2008-05-22
    Hazardous operations 0931Z to 1624Z daily 22 thru 27 may: a. in area bound by 34-53N 120-59W, 34-54N…
  10. HYDROPAC 895/082008-05-10 → 2008-05-18
    Hazardous operations 2200Z to 1400Z commencing daily 11 thru 17 may within ten miles of 16-01N 146-04E
  11. HYDROPAC 893/082008-05-09 → 2008-05-10
    Hazardous operations 2200Z to 1400Z commencing daily 12 thru 18 may within ten miles of 16-01N 146-04E
  12. HYDROPAC 888/082008-05-08 → 2008-05-11
    Hazardous operations in progress until 110800Z may in area bound by 12-21N 151-08E, 14-53N 155-34E, 15-54N…
  13. HYDROPAC 885/082008-05-08 → 2008-05-14
    Hazardous operations 132230Z to 140300Z may within 11 miles of 09-04N 167-28E
  14. HYDROPAC 871/082008-05-06 → 2008-05-11
    Hazardous operations 070800Z to 110800Z may in area bound by 12-21N 151-08E, 14-53N 155-34E, 15-54N 154-58E,…
  15. NAVAREA XII 173/082008-05-06 → 2008-05-11
    Hazardous operations 070800Z to 110800Z may in areas: a. bound by 34-48N 128-21W, 32-45N 126-00W, 33-30N…
  16. NAVAREA XII 169/082008-05-03 → 2008-05-06
    Gunnery exercises 052300Z to 060100Z may within ten miles of 51-44N 172-28W
  17. HYDROPAC 824/082008-04-30 → 2008-04-30
    Hazardous operations 2200Z to 1400Z commencing daily 30 apr thru 02 may within ten miles of 16-01N 146-04E
  18. HYDROPAC 820/082008-04-30 → 2008-05-03
    Hazardous operations 2200Z to 1400Z commencing daily 30 apr, 01 and 02 may within within ten of miles 16-01N…
  19. NAVAREA XII 164/082008-04-29 → 2008-05-01
    Gunnery exercises 301600Z apr to 010400Z may within five miles of 58-02N 137-03W
  20. HYDROPAC 807/082008-04-28 → 2008-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…
  21. NAVAREA XII 162/082008-04-27 → 2008-05-04
    Hazardous operations 1930Z to 0300Z commencing daily 02 thru 04 may in area bound by 22-01N 159-47W, 22-05N…
  22. HYDROPAC 794/082008-04-27 → 2008-04-29
    Hazardous operations 0500Z to 0700Z daily 28 and 29 apr within 280 miles of 36-16N 148-11E
  23. HYDROPAC 776/082008-04-24 → 2008-04-30
    Hazardous operations 2200Z to 1400Z commencing daily 24 thru 29 apr within ten miles of 16-01N 146-04E
  24. HYDROPAC 755/082008-04-21 → 2008-04-22
    Hazardous operations 212200Z to 221300Z apr within ten of miles 16-01N 146-04E
  25. HYDROPAC 749/082008-04-20 → 2008-04-26
    Hazardous operations 0500Z to 0700Z daily 24 thru 26 apr within 280 miles of 36-16N 148-11E
  26. HYDROPAC 710/082008-04-15 → 2008-04-18
    Hazardous operations 161547Z to 162047Z apr, alternate daily 17 and 18 apr in area bound by 10-18N 167-15E,…
  27. NAVAREA XII 145/082008-04-15 → 2008-04-18
    Hazardous operations 161547Z to 162047Z apr, alternate daily 17 and 18 apr in areas bound by: a. 11-15N…
  28. NAVAREA XII 138/082008-04-07 → 2008-04-11
    Gunnery exercises 1700Z to 2000Z daily 09 thru 11 apr within 12 miles of 56-10.05N 135-09.54W
  29. HYDROPAC 594/082008-03-30 → 2008-04-02
    Hazardous operations 0701Z to 1528Z daily 02 and 03 apr in areas bound by: a. 10-14N 168-34E, 09-34N…
  30. HYDROPAC 593/082008-03-30 → 2008-04-02
    Hazardous operations 0731Z to 1531Z daily 02 thru 04 apr in area bound by 13-50N 174-56E, 14-30N 174-33E,…
  31. NAVAREA XII 123/082008-03-30 → 2008-04-02
    Hazardous operations 0731Z to 1501Z daily 02 thru 04 apr in areas bound by: a. 34-50N 121-02W, 34-52N…
  32. HYDROPAC 562/082008-03-27 → 2008-04-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 27-55-15N 144-57-48E,…
  33. HYDROPAC 494/082008-03-17 → 2008-03-18
    Hazardous operations 172200Z to 181300Z mar within ten miles of 16-01N 146-04E
  34. HYDROPAC 465/082008-03-11 → 2008-03-15
    Hazardous operations 2300Z to 0030Z commencing daily 14 thru 17 mar within 216 miles of 31-55N 153-45E
  35. NAVAREA XII 83/082008-03-08 → 2008-03-17
    Hazardous operations 0900Z to 1100Z daily 13 thru 17 mar in areas bound by: a. 34-27N 120-28W, 34-26N…
  36. HYDROPAC 402/082008-03-01 → 2008-03-31
    Gunnery exercises 2300Z to 0900Z commencing daily until 30 mar in area bound by 27-55-15N 144-57-48E,…
  37. NAVAREA XII 59/082008-02-24 → 2008-03-04
    Hazardous operations 0930Z to 1300Z daily 29 feb thru 04 mar in areas bound by: a. 34-27N 120-28W, 34-26N…
  38. HYDROPAC 318/082008-02-20 → 2008-02-23
    Hazardous operations 230725Z to 230927Z feb in areas bound by: a. 30-02N 132-48E, 30-20N 132-50E, 30-08N…
  39. NAVAREA XII 52/082008-02-16 → 2008-02-21
    Hazardous operations 210230Z to 210500Z feb, alternate 220230Z to 220500Z, 230230Z to 230500Z, 240230Z to…
  40. HYDROPAC 287/082008-02-14 → 2008-02-15
    Hazardous operations 142230Z to 150230Z feb within: a. 15 miles of 09-11N 167-46E
  41. HYDROPAC 281/082008-02-13 → 2008-02-14
    Hazardous operations 142230Z to 150230Z feb within: a. 15 miles of 09-11N 167-46E
  42. NAVAREA XII 47/082008-02-12 → 2008-02-13
    Hazardous operations 170530Z to 170730Z feb, alternate 180530Z to 180730Z and 190500Z to 190700Z feb in area…
  43. HYDROPAC 256/082008-02-10 → 2008-02-13
    Hazardous operations 150732Z to 150811Z feb, alternate 160832Z to 160910Z feb and 0720Z to 0931Z daily 18…
  44. NAVAREA XII 45/082008-02-10 → 2008-02-12
    Gunnery exercises 112330Z to 120200Z feb within six miles of 26-01N 160-59W
  45. HYDROPAC 237/082008-02-07 → 2008-02-13
    Hazardous operations 1100Z to 1230Z daily 10 thru 13 feb within 216 miles of 31-55N 153-45E
  46. HYDROPAC 160/082008-01-27 → 2008-02-29
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jan thru 28 feb in area bound by 27-55-15N 144-57-48E,…
  47. NAVAREA XII 24/082008-01-25 → 2008-01-28
    Gunnery exercises 271700Z to 280100Z jan within five miles of 56-48.1N 135-58.7W
  48. HYDROPAC 138/082008-01-24 → 2008-01-28
    Hazardous operations 0001Z to 0130Z daily 28 thru 31 jan within 216 miles of 31-55N 153-45E
  49. NAVAREA XII 20/082008-01-23 → 2008-01-26
    Gunnery exercises 252100Z to 262100Z jan within six miles of 56-48.1N 135-58.7W
  50. HYDROPAC 129/082008-01-23 → 2008-01-23
    Gunnery exercises 252100Z to 262100Z jan within six miles of 56-48.1N 135-58.7W

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 76 · seahazards