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. HYDROPAC 3274/152015-10-03 → 2015-10-05
    Hazardous operations
    North Pacific · Marshall Islands
  2. NAVAREA XII 335/152015-10-02 → 2015-10-12
    Hazardous operations
    Eastern North Pacific · California
  3. NAVAREA XII 334/152015-10-01 → 2015-10-07
    Hazardous operations
    Eastern North Pacific · California
  4. HYDROPAC 3241/152015-09-30 → 2015-10-01
    Hazardous operations
    Western North Pacific · Mariana Islands
  5. HYDROPAC 3228/152015-09-29 → 2015-09-30
    Hazardous operations
    Western North Pacific · Mariana Islands
  6. HYDROPAC 3220/152015-09-28 → 2015-09-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  7. HYDROPAC 3209/152015-09-26 → 2015-10-31
    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
  8. HYDROPAC 3208/152015-09-26 → 2015-09-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  9. HYDROPAC 3207/152015-09-26 → 2015-09-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  10. HYDROPAC 3188/152015-09-25 → 2015-10-05
    Hazardous operations
    North Pacific · Marshall Islands
  11. HYDROPAC 3186/152015-09-25 → 2015-09-27
    Hazardous operations
    Western North Pacific · Mariana Islands
  12. HYDROPAC 3179/152015-09-24 → 2015-09-25
    Hazardous operations
    North Pacific · Marshall Islands
  13. HYDROPAC 3173/152015-09-24 → 2015-09-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  14. HYDROPAC 3172/152015-09-24 → 2015-09-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  15. HYDROPAC 3155/152015-09-23 → 2015-09-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  16. HYDROPAC 3154/152015-09-23 → 2015-09-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  17. HYDROPAC 3140/152015-09-22 → 2015-09-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  18. HYDROPAC 3133/152015-09-21 → 2015-09-24
    Hazardous operations
    North Pacific · Marshall Islands
  19. HYDROPAC 3132/152015-09-21 → 2015-09-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. HYDROPAC 3131/152015-09-21 → 2015-09-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  21. HYDROPAC 3127/152015-09-20 → 2015-09-21
    Hazardous operations
    Western North Pacific · Mariana Islands
  22. HYDROPAC 3122/152015-09-19 → 2015-09-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. HYDROPAC 3121/152015-09-19 → 2015-09-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  24. HYDROPAC 3108/152015-09-18 → 2015-09-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  25. HYDROPAC 3107/152015-09-18 → 2015-09-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  26. HYDROPAC 3092/152015-09-17 → 2015-09-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  27. HYDROPAC 3091/152015-09-17 → 2015-09-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  28. HYDROPAC 3062/152015-09-16 → 2015-09-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  29. HYDROPAC 3061/152015-09-16 → 2015-09-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  30. HYDROPAC 3047/152015-09-15 → 2015-09-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  31. HYDROPAC 3033/152015-09-14 → 2015-09-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  32. HYDROPAC 3032/152015-09-14 → 2015-09-15
    Hazardous operations
    Western North Pacific · Mariana Islands
  33. HYDROPAC 3021/152015-09-13 → 2015-09-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  34. HYDROPAC 3020/152015-09-13 → 2015-09-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  35. HYDROPAC 2997/152015-09-11 → 2015-09-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. HYDROPAC 2994/152015-09-11 → 2015-09-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  37. HYDROPAC 2991/152015-09-11 → 2015-09-12
    Hazardous operations
    Western North Pacific · Mariana Islands
  38. HYDROPAC 2983/152015-09-10 → 2015-09-11
    Hazardous operations
    Western North Pacific · Mariana Islands
  39. HYDROPAC 2982/152015-09-10 → 2015-09-11
    Hazardous operations
    Western North Pacific · Mariana Islands
  40. NAVAREA XII 310/152015-09-09 → 2015-09-22
    Hazardous operations
    Eastern North Pacific · Mexico
  41. HYDROPAC 2961/152015-09-09 → 2015-09-10
    Hazardous operations
    Western North Pacific · Mariana Islands
  42. NAVAREA XII 305/152015-09-08 → 2015-09-14
    Hazardous operations
    Eastern North Pacific · California
  43. HYDROPAC 2947/152015-09-08 → 2015-09-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  44. HYDROPAC 2946/152015-09-08 → 2015-09-10
    Hazardous operations
    Western North Pacific · Mariana Islands
  45. HYDROPAC 2940/152015-09-07 → 2015-09-08
    Hazardous operations
    Western North Pacific · Mariana Islands
  46. HYDROPAC 2930/152015-09-05 → 2015-09-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  47. HYDROPAC 2919/152015-09-04 → 2015-09-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  48. HYDROPAC 2906/152015-09-03 → 2015-09-04
    Hazardous operations
    Western North Pacific · Mariana Islands
  49. HYDROPAC 2905/152015-09-03 → 2015-09-04
    Hazardous operations
    Western North Pacific · Mariana Islands
  50. HYDROPAC 2892/152015-09-02 → 2015-09-03
    Hazardous operations
    Western North Pacific · Mariana Islands

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 52 · seahazards