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 2645/162016-09-01 → 2016-09-05
    Hazardous operations
    North Pacific · Marshall Islands
  2. HYDROPAC 2631/162016-08-31 → 2016-09-01
    Hazardous operations
    Western North Pacific · Mariana Islands
  3. HYDROPAC 2621/162016-08-30 → 2016-09-01
    Hazardous operations
    North Pacific · Marshall Islands
  4. NAVAREA XII 294/162016-08-30 → 2016-09-03
    Hazardous operations
    North Pacific
  5. NAVAREA XII 291/162016-08-28 → 2016-08-28
    Gunnery exercises 281500Z to 282000Z aug within ten miles of 57-00N 136-27W
    Eastern North Pacific · Alaska · Gunnery
  6. NAVAREA XII 290/162016-08-28 → 2016-09-04
    Hazardous operations
    Eastern North Pacific · California
  7. HYDROPAC 2597/162016-08-28 → 2016-08-29
    Gunnery exercises 282200Z to 290830Z aug in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
    Western North Pacific · Mariana Islands · Gunnery
  8. HYDROPAC 2586/162016-08-26 → 2016-09-29
    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
  9. HYDROPAC 2580/162016-08-26 → 2016-08-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  10. HYDROPAC 2546/162016-08-23 → 2016-08-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  11. HYDROPAC 2536/162016-08-22 → 2016-08-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  12. HYDROPAC 2525/162016-08-21 → 2016-08-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  13. NAVAREA XII 269/162016-08-19 → 2016-08-26
    Hazardous operations
    Eastern North Pacific · California
  14. HYDROPAC 2476/162016-08-18 → 2016-08-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  15. NAVAREA XII 267/162016-08-18 → 2016-08-25
    Hazardous operations
    Eastern North Pacific · California
  16. NAVAREA XII 266/162016-08-17 → 2016-08-25
    Hazardous operations
    Eastern North Pacific · California
  17. HYDROPAC 2463/162016-08-17 → 2016-08-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  18. HYDROPAC 2441/162016-08-16 → 2016-08-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  19. HYDROPAC 2426/162016-08-14 → 2016-08-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. NAVAREA XII 263/162016-08-12 → 2016-08-22
    Hazardous operations
    Eastern North Pacific · California
  21. HYDROPAC 2396/162016-08-11 → 2016-08-12
    Gunnery exercises 120200Z to 120600Z aug within 12 miles of 16-01-06N 146-03-35E
    Western North Pacific · Mariana Islands · Gunnery
  22. HYDROPAC 2395/162016-08-11 → 2016-08-12
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. NAVAREA XII 257/162016-08-07 → 2016-08-22
    Hazardous operations
    Eastern North Pacific · Mexico
  24. NAVAREA XII 250/162016-08-05 → 2016-08-15
    Hazardous operations
    Eastern North Pacific · California
  25. NAVAREA XII 246/162016-08-04 → 2016-08-07
    Hazardous operations
    Eastern North Pacific · California
  26. NAVAREA XII 245/162016-08-03 → 2016-08-14
    Hazardous operations
    Eastern North Pacific · California
  27. HYDROPAC 2299/162016-07-31 → 2016-08-03
    Hazardous operations
    Western North Pacific · Mariana Islands
  28. NAVAREA XII 238/162016-07-31 → 2016-08-04
    Hazardous operations
    Eastern North Pacific · California
  29. HYDROPAC 2265/162016-07-28 → 2016-07-29
    Gunnery exercises 290800Z to 291300Z jul within 12 miles of 16-01-06N 146-03-35E
    Western North Pacific · Mariana Islands · Gunnery
  30. HYDROPAC 2249/162016-07-27 → 2016-07-28
    Gunnery exercises 280800Z to 281300Z jul within 12 miles of 16-01-06N 146-03-35E
    Western North Pacific · Mariana Islands · Gunnery
  31. HYDROPAC 2248/162016-07-27 → 2016-07-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  32. HYDROPAC 2240/162016-07-26 → 2016-08-31
    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 · Nanpo Shoto · Gunnery
  33. HYDROPAC 2237/162016-07-26 → 2016-07-27
    Gunnery exercises 270800Z to 271300Z jul within 12 miles of 16-01-06N 146-03-35E
    Western North Pacific · Mariana Islands · Gunnery
  34. HYDROPAC 2236/162016-07-26 → 2016-07-27
    Hazardous operations
    Western North Pacific · Mariana Islands
  35. HYDROPAC 2225/162016-07-25 → 2016-07-26
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. HYDROPAC 2216/162016-07-24 → 2016-07-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  37. NAVAREA XII 223/162016-07-18 → 2016-07-21
    Hazardous operations
    Eastern North Pacific · California
  38. HYDROPAC 2155/162016-07-18 → 2016-07-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  39. NAVAREA XII 222/162016-07-17 → 2016-08-01
    Hazardous operations
    Eastern North Pacific · Mexico
  40. NAVAREA XII 221/162016-07-17 → 2016-08-01
    Hazardous operations
    Eastern North Pacific · Mexico
  41. NAVAREA XII 219/162016-07-15 → 2016-07-31
    Hazardous operations
    Eastern North Pacific · California
  42. HYDROPAC 2111/162016-07-14 → 2016-07-15
    Hazardous operations
    Western North Pacific · Mariana Islands
  43. NAVAREA XII 213/162016-07-09 → 2016-07-11
    Gunnery and pyrotechnics exercises 111700Z to 111900Z jul within five miles of 55-00N 137-00W
    Eastern North Pacific · Gulf of Alaska · Alaska · Gunnery
  44. HYDROPAC 2056/162016-07-08 → 2016-07-17
    Hazardous operations
    Western North Pacific
  45. NAVAREA XII 211/162016-07-08 → 2016-07-27
    Hazardous operations
    North Pacific · Hawaii
  46. NAVAREA XII 209/162016-07-07 → 2016-07-18
    Hazardous operations
    Eastern North Pacific · California
  47. HYDROPAC 2026/162016-07-06 → 2016-07-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  48. NAVAREA XII 203/162016-07-05 → 2016-07-07
    Gunnery exercises 061900Z to 062359Z jul within five miles of 57-55.03N 137-20.47W
    Eastern North Pacific · Gulf of Alaska · Alaska · Gunnery
  49. HYDROPAC 2012/162016-07-05 → 2016-07-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  50. HYDROPAC 1996/162016-07-04 → 2016-07-05
    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 47 · seahazards