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 · 28 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 · 28 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 431/162016-11-23 → 2016-11-30
    Hazardous operations
    Eastern North Pacific · California
  2. NAVAREA XII 418/162016-11-14 → 2016-11-16
    Hazardous operations
    Eastern North Pacific · Guatemala
  3. HYDROPAC 3508/162016-11-14 → 2016-11-21
    Hazardous operations
    North Pacific · Marshall Islands
  4. HYDROPAC 3502/162016-11-13 → 2016-11-20
    Gunnery exercises 172100Z to 180900Z nov, alternate 2100Z to 0900Z commencing daily 18 and 19 nov within 25…
    Western North Pacific · Gunnery
  5. NAVAREA XII 414/162016-11-11 → 2016-11-19
    Hazardous operations
    Eastern North Pacific · California
  6. HYDROPAC 3445/162016-11-08 → 2016-11-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  7. HYDROPAC 3434/162016-11-07 → 2016-11-14
    Gunnery exercises 112100Z to 120800Z nov, alternate 2100Z to 0800Z commencing daily 12 and 13 nov within 25…
    Western North Pacific · Gunnery
  8. NAVAREA XII 407/162016-11-06 → 2016-11-22
    Hazardous operations
    Eastern North Pacific · Mexico
  9. NAVAREA XII 406/162016-11-06 → 2016-11-11
    Hazardous operations
    Eastern North Pacific
  10. HYDROPAC 3415/162016-11-05 → 2016-11-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  11. NAVAREA XII 404/162016-11-04 → 2016-11-14
    Hazardous operations
    Eastern North Pacific · California
  12. HYDROPAC 3371/162016-11-03 → 2016-11-04
    Hazardous operations
    Western North Pacific · Mariana Islands
  13. HYDROPAC 3360/162016-11-02 → 2016-11-03
    Hazardous operations
    Western North Pacific · Mariana Islands
  14. NAVAREA XII 398/162016-11-01 → 2016-11-07
    Hazardous operations
    Eastern North Pacific · California
  15. NAVAREA XII 397/162016-11-01 → 2016-11-01
    Hazardous operations
    Eastern North Pacific
  16. NAVAREA XII 389/162016-10-27 → 2016-11-02
    Hazardous operations
    Eastern North Pacific · California
  17. HYDROPAC 3296/162016-10-27 → 2016-11-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 oct thru 29 nov in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nanpo Shoto · Gunnery
  18. NAVAREA XII 383/162016-10-24 → 2016-10-29
    Hazardous operations
    Eastern North Pacific · Mexico
  19. NAVAREA XII 380/162016-10-20 → 2016-10-31
    Hazardous operations
    Eastern North Pacific · California
  20. NAVAREA XII 377/162016-10-17 → 2016-10-21
    Hazardous operations
    Eastern North Pacific · California
  21. HYDROPAC 3133/162016-10-14 → 2016-10-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  22. HYDROPAC 3122/162016-10-13 → 2016-10-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. NAVAREA XII 364/162016-10-09 → 2016-10-17
    Hazardous operations
    Eastern North Pacific · California
  24. NAVAREA XII 358/162016-09-30 → 2016-10-10
    Hazardous operations
    Eastern North Pacific · California
  25. HYDROPAC 2924/162016-09-25 → 2016-10-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nanpo Shoto · Gunnery
  26. HYDROPAC 2893/162016-09-22 → 2016-09-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  27. NAVAREA XII 343/162016-09-22 → 2016-09-23
    Gunnery exercises 231700Z to 232000Z sep within five miles of 51-14N 174-50W
    North Pacific · Alaska
  28. HYDROPAC 2851/162016-09-19 → 2016-09-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  29. HYDROPAC 2840/162016-09-18 → 2016-09-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  30. NAVAREA XII 335/162016-09-16 → 2016-09-18
    Hazardous operations
    Eastern North Pacific
  31. HYDROPAC 2827/162016-09-16 → 2016-09-18
    Gunnery exercises 2000Z to 1000Z commencing daily 16 and 17 sep in area bound by 13-10N 144-43E, 13-10N…
    Western North Pacific · Mariana Islands · Gunnery
  32. HYDROPAC 2826/162016-09-16 → 2016-09-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  33. HYDROPAC 2750/162016-09-11 → 2016-09-24
    Hazardous operations
    Western North Pacific
  34. NAVAREA XII 328/162016-09-11 → 2016-09-16
    Hazardous operations
    Eastern North Pacific
  35. HYDROPAC 2732/162016-09-09 → 2016-09-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. HYDROPAC 2731/162016-09-09 → 2016-09-11
    Hazardous operations
    Western North Pacific · Mariana Islands
  37. HYDROPAC 2724/162016-09-08 → 2016-09-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  38. HYDROPAC 2722/162016-09-08 → 2016-09-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  39. HYDROPAC 2704/162016-09-07 → 2016-09-08
    Gunnery exercises 080200Z to 081200Z sep in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
    Western North Pacific · Mariana Islands · Gunnery
  40. HYDROPAC 2702/162016-09-07 → 2016-09-08
    Hazardous operations
    Western North Pacific · Mariana Islands
  41. HYDROPAC 2686/162016-09-06 → 2016-09-07
    Gunnery exercises 062200Z to 071200Z sep in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
    Western North Pacific · Mariana Islands · Gunnery
  42. HYDROPAC 2685/162016-09-06 → 2016-09-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  43. NAVAREA XII 315/162016-09-06 → 2016-09-22
    Hazardous operations
    Eastern North Pacific · Mexico
  44. NAVAREA XII 314/162016-09-06 → 2016-09-22
    Hazardous operations
    Eastern North Pacific · Mexico
  45. HYDROPAC 2672/162016-09-05 → 2016-09-06
    Gunnery exercises 060200Z to 061200Z sep in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
    Western North Pacific · Mariana Islands · Gunnery
  46. HYDROPAC 2671/162016-09-05 → 2016-09-06
    Gunnery exercises 052200Z to 060700Z sep in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
    Western North Pacific · Mariana Islands · Gunnery
  47. HYDROPAC 2670/162016-09-05 → 2016-09-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  48. NAVAREA XII 307/162016-09-04 → 2016-09-12
    Hazardous operations
    Eastern North Pacific · California
  49. HYDROPAC 2660/162016-09-03 → 2016-09-05
    Hazardous operations
    North Pacific · Marshall Islands
  50. NAVAREA XII 303/162016-09-03 → 2016-09-05
    Hazardous operations
    North Pacific

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 46 · seahazards