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 3112/142014-10-19 → 2014-10-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  2. NAVAREA XII 370/142014-10-16 → 2014-10-19
    Hazardous operations
    Eastern North Pacific · California
  3. HYDROPAC 3068/142014-10-15 → 2014-10-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  4. NAVAREA XII 353/142014-10-05 → 2014-10-18
    Hazardous operations
    North Pacific
  5. HYDROPAC 2925/142014-10-02 → 2014-10-03
    Hazardous operations
    Western North Pacific · Mariana Islands
  6. HYDROPAC 2880/142014-09-28 → 2014-10-02
    Hazardous operations
    Western North Pacific · Mariana Islands
  7. NAVAREA XII 344/142014-09-27 → 2014-10-13
    Hazardous operations
    North Pacific
  8. HYDROPAC 2856/142014-09-26 → 2014-10-31
    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 · Nampo Shoto · Gunnery
  9. HYDROPAC 2852/142014-09-26 → 2014-09-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  10. HYDROPAC 2842/142014-09-25 → 2014-09-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  11. HYDROPAC 2829/142014-09-24 → 2014-09-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  12. HYDROPAC 2821/142014-09-23 → 2014-09-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  13. HYDROPAC 2786/142014-09-19 → 2014-09-23
    Hazardous operations
    North Pacific · Marshall Islands
  14. NAVAREA XII 330/142014-09-19 → 2014-09-23
    Hazardous operations
    Eastern North Pacific
  15. HYDROPAC 2763/142014-09-17 → 2014-09-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  16. HYDROPAC 2756/142014-09-17 → 2014-09-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  17. HYDROPAC 2742/142014-09-16 → 2014-09-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  18. HYDROPAC 2741/142014-09-16 → 2014-09-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  19. HYDROPAC 2719/142014-09-15 → 2014-09-15
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. HYDROPAC 2700/142014-09-13 → 2014-09-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  21. HYDROPAC 2699/142014-09-13 → 2014-09-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  22. HYDROPAC 2677/142014-09-12 → 2014-09-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. HYDROPAC 2676/142014-09-12 → 2014-09-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  24. HYDROPAC 2632/142014-09-07 → 2014-10-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  25. HYDROPAC 2620/142014-09-06 → 2014-09-13
    Gunnery exercises 2000Z to 0800Z commencing daily 11 and 12 sep in area bound by 52-16-24N 158-31-30E,…
    Kamchatka-southeast Coast · Gunnery
  26. NAVAREA XII 307/142014-09-05 → 2014-09-22
    Hazardous operations
    Eastern North Pacific · Mexico
  27. HYDROPAC 2596/142014-09-04 → 2014-09-05
    Hazardous operations
    Western North Pacific · Mariana Islands
  28. HYDROPAC 2514/142014-08-27 → 2014-09-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nanpo Shoto · Gunnery
  29. HYDROPAC 2480/142014-08-25 → 2014-08-27
    Hazardous operations
    Western North Pacific · Mariana Islands
  30. NAVAREA XII 284/142014-08-20 → 2014-08-25
    Hazardous operations
    Eastern North Pacific · California
  31. HYDROPAC 2418/142014-08-17 → 2014-08-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  32. HYDROPAC 2382/142014-08-14 → 2014-08-15
    Hazardous operations
    Western North Pacific · Mariana Islands
  33. HYDROPAC 2367/142014-08-13 → 2014-08-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  34. HYDROPAC 2354/142014-08-12 → 2014-08-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  35. HYDROPAC 2353/142014-08-12 → 2014-08-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. HYDROPAC 2332/142014-08-10 → 2014-08-11
    Hazardous operations
    Western North Pacific · Mariana Islands
  37. HYDROPAC 2313/142014-08-08 → 2014-08-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  38. NAVAREA XII 265/142014-08-06 → 2014-08-16
    Hazardous operations
    Eastern North Pacific · California
  39. NAVAREA XII 260/142014-08-05 → 2014-08-05
    Hazardous operations
    Eastern North Pacific · Hawaii
  40. HYDROPAC 2268/142014-08-04 → 2014-08-08
    Hazardous operations
    Western North Pacific · Mariana Islands
  41. NAVAREA XII 255/142014-08-01 → 2014-08-02
    Hazardous operations
    Eastern North Pacific · Hawaii
  42. HYDROPAC 2225/142014-07-30 → 2014-07-31
    Hazardous operations
    Western North Pacific · Mariana Islands
  43. HYDROPAC 2214/142014-07-29 → 2014-07-30
    Hazardous operations
    Western North Pacific · Mariana Islands
  44. HYDROPAC 2199/142014-07-28 → 2014-07-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  45. HYDROPAC 2192/142014-07-27 → 2014-08-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nampo Shoto · Gunnery
  46. HYDROPAC 2189/142014-07-27 → 2014-07-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  47. HYDROPAC 2172/142014-07-24 → 2014-07-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  48. HYDROPAC 2147/142014-07-22 → 2014-07-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  49. HYDROPAC 2137/142014-07-21 → 2014-07-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  50. NAVAREA XII 244/142014-07-20 → 2014-08-01
    Hazardous operations
    Eastern North Pacific · Mexico-south Coast

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 58 · seahazards