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 119/142014-04-29 → 2014-05-02
    Hazardous operations
    Eastern North Pacific · California
  2. HYDROPAC 1227/142014-04-29 → 2014-04-30
    Hazardous operations
    Western North Pacific · Mariana Islands
  3. HYDROPAC 1204/142014-04-27 → 2014-04-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  4. HYDROPAC 1186/142014-04-26 → 2014-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nampo Shoto · Gunnery
  5. HYDROPAC 1162/142014-04-23 → 2014-04-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  6. HYDROPAC 1144/142014-04-21 → 2014-04-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  7. HYDROPAC 1098/142014-04-18 → 2014-04-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  8. NAVAREA XII 103/142014-04-14 → 2014-04-16
    Gunnery exercises 152200Z to 160100Z apr within 8200 yards of 45-43.4N 154-41.3W
    Eastern North Pacific · Alaska · Gunnery
  9. HYDROPAC 1002/142014-04-09 → 2014-04-10
    Hazardous operations
    Western North Pacific · Mariana Islands
  10. HYDROPAC 977/142014-04-07 → 2014-04-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  11. HYDROPAC 976/142014-04-07 → 2014-04-08
    Hazardous operations
    Western North Pacific · Mariana Islands
  12. HYDROPAC 968/142014-04-06 → 2014-04-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  13. HYDROPAC 937/142014-04-03 → 2014-04-05
    Hazardous operations
    Western North Pacific · Mariana Islands
  14. HYDROPAC 908/142014-04-01 → 2014-04-02
    Hazardous operations
    Western North Pacific · Mariana Islands
  15. HYDROPAC 867/142014-03-27 → 2014-04-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nampo Shoto · Gunnery
  16. NAVAREA XII 79/142014-03-27 → 2014-04-03
    Hazardous operations
    Eastern North Pacific · California
  17. NAVAREA XII 77/142014-03-25 → 2014-03-28
    Gunnery exercises 261500Z to 261800Z mar, alternate 271500Z to 271800Z and 281500Z to 281800Z mar within…
    Gulf of Alaska · Gunnery
  18. NAVAREA XII 76/142014-03-25 → 2014-05-01
    Hazardous operations
    Eastern North Pacific · California
  19. HYDROPAC 831/142014-03-25 → 2014-03-26
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. NAVAREA XII 72/142014-03-22 → 2014-03-26
    Hazardous operations
    Eastern North Pacific · Alaska
  21. NAVAREA XII 69/142014-03-21 → 2014-03-24
    Hazardous operations
    Eastern North Pacific · Alaska
  22. HYDROPAC 785/142014-03-20 → 2014-03-21
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. HYDROPAC 783/142014-03-19 → 2014-03-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  24. HYDROPAC 754/142014-03-17 → 2014-03-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  25. HYDROPAC 745/142014-03-16 → 2014-03-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  26. NAVAREA XII 52/142014-03-07 → 2014-03-17
    Hazardous operations
    Eastern North Pacific · California
  27. HYDROPAC 646/142014-03-06 → 2014-03-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  28. NAVAREA XII 45/142014-02-28 → 2014-03-08
    Hazardous operations
    Eastern North Pacific · California
  29. HYDROPAC 576/142014-02-27 → 2014-02-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  30. HYDROPAC 542/142014-02-24 → 2014-03-31
    Gunnery exercises 2300Z to 0900Z commencing daily 28 feb thru 30 mar in area bound by 27-55.15N 144-57.48E,…
    Western North Pacific · Nampo Shoto · Gunnery
  31. HYDROPAC 541/142014-02-24 → 2014-02-27
    Hazardous operations
    Western North Pacific · Mariana Islands
  32. HYDROPAC 500/142014-02-20 → 2014-02-21
    Hazardous operations
    Western North Pacific · Mariana Islands
  33. HYDROPAC 487/142014-02-19 → 2014-02-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  34. HYDROPAC 477/142014-02-18 → 2014-02-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  35. HYDROPAC 453/142014-02-16 → 2014-02-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. NAVAREA XII 28/142014-02-12 → 2014-02-14
    Hazardous operations
    North Pacific · Bering Sea
  37. HYDROPAC 410/142014-02-11 → 2014-02-12
    Hazardous operations
    Western North Pacific · Mariana Islands
  38. HYDROPAC 399/142014-02-10 → 2014-02-11
    Hazardous operations
    Western North Pacific · Mariana Islands
  39. NAVAREA XII 27/142014-02-09 → 2014-02-12
    Gunnery exercises 112230Z to 120130Z feb within 8200 yards of 53-40N 165-37W
    Eastern North Pacific · Gulf of Alaska · Gunnery
  40. HYDROPAC 334/142014-02-02 → 2014-02-08
    Gunnery exercises 062300Z to 070900Z feb, alternate 072300Z to 080900Z feb within 25 miles of 31-14-14N…
    Western North Pacific · Nampo Shoto · Gunnery
  41. NAVAREA XII 19/142014-02-02 → 2014-02-04
    Gunnery and pyrotechnics exercises 041900Z to 042200Z feb within five miles of 57-58N 137-06W
    Gulf of Alaska · Gunnery
  42. HYDROPAC 306/142014-01-30 → 2014-01-31
    Hazardous operations
    Western North Pacific · Mariana Islands
  43. HYDROPAC 276/142014-01-27 → 2014-02-28
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jan thru 27 feb in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nampo Shoto · Gunnery
  44. NAVAREA XII 12/142014-01-24 → 2014-02-03
    Hazardous operations
    Eastern North Pacific · California
  45. HYDROPAC 231/142014-01-22 → 2014-01-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  46. HYDROPAC 160/142014-01-17 → 2014-01-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  47. NAVAREA XII 8/142014-01-17 → 2014-01-27
    Hazardous operations
    Eastern North Pacific · California
  48. HYDROPAC 133/142014-01-13 → 2014-01-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  49. HYDROPAC 125/142014-01-12 → 2014-01-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  50. HYDROPAC 124/142014-01-12 → 2014-01-12
    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 60 · seahazards