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 1946/162016-06-29 → 2016-06-30
    Hazardous operations
    Western North Pacific · Mariana Islands
  2. HYDROPAC 1934/162016-06-28 → 2016-06-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  3. HYDROPAC 1918/162016-06-27 → 2016-06-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  4. HYDROPAC 1917/162016-06-27 → 2016-06-28
    Hazardous operations
    Western North Pacific · Mariana Islands
  5. HYDROPAC 1908/162016-06-26 → 2016-07-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nanpo Shoto · Gunnery
  6. NAVAREA XII 196/162016-06-26 → 2016-08-01
    Hazardous operations
    Eastern North Pacific · California
  7. HYDROPAC 1906/162016-06-26 → 2016-06-27
    Hazardous operations
    Western North Pacific · Mariana Islands
  8. HYDROPAC 1866/162016-06-22 → 2016-06-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  9. HYDROPAC 1858/162016-06-21 → 2016-06-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  10. HYDROPAC 1847/162016-06-20 → 2016-06-21
    Hazardous operations
    Western North Pacific · Mariana Islands
  11. HYDROPAC 1841/162016-06-19 → 2016-06-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  12. HYDROPAC 1840/162016-06-19 → 2016-06-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  13. HYDROPAC 1805/162016-06-16 → 2016-06-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  14. HYDROPAC 1794/162016-06-15 → 2016-06-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  15. HYDROPAC 1782/162016-06-14 → 2016-06-15
    Hazardous operations
    Western North Pacific · Mariana Islands
  16. HYDROPAC 1773/162016-06-13 → 2016-06-14
    Hazardous operations
    Western North Pacific · Mariana Islands
  17. HYDROPAC 1762/162016-06-12 → 2016-06-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  18. NAVAREA XII 184/162016-06-10 → 2016-06-20
    Hazardous operations
    Eastern North Pacific · California
  19. HYDROPAC 1710/162016-06-08 → 2016-06-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. HYDROPAC 1709/162016-06-08 → 2016-06-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  21. HYDROPAC 1694/162016-06-07 → 2016-06-08
    Hazardous operations
    Western North Pacific · Mariana Islands
  22. HYDROPAC 1680/162016-06-06 → 2016-06-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  23. HYDROPAC 1679/162016-06-06 → 2016-06-07
    Hazardous operations
    Western North Pacific · Mariana Islands
  24. HYDROPAC 1670/162016-06-05 → 2016-06-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  25. HYDROPAC 1669/162016-06-05 → 2016-06-06
    Hazardous operations
    Western North Pacific · Mariana Islands
  26. HYDROPAC 1617/162016-06-01 → 2016-06-02
    Hazardous operations
    Western North Pacific · Mariana Islands
  27. HYDROPAC 1616/162016-06-01 → 2016-06-02
    Hazardous operations
    Western North Pacific · Mariana Islands
  28. NAVAREA XII 168/162016-05-30 → 2016-06-06
    Hazardous operations
    Eastern North Pacific · California
  29. NAVAREA XII 165/162016-05-28 → 2016-05-29
    Gunnery exercise 291700Z to 291900Z may within five miles of 51-12.5N 174-43.4W
    North Pacific · Alaska · Gunnery
  30. HYDROPAC 1566/162016-05-27 → 2016-06-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55-15N 144-57-48E,…
    Western North Pacific · Nanpo Shoto · Gunnery
  31. NAVAREA XII 163/162016-05-27 → 2016-07-01
    Hazardous operations
    Eastern North Pacific · California
  32. HYDROPAC 1543/162016-05-25 → 2016-05-26
    Hazardous operations
    Western North Pacific · Mariana Islands
  33. HYDROPAC 1526/162016-05-24 → 2016-05-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  34. HYDROPAC 1521/162016-05-24 → 2016-05-25
    Hazardous operations
    Western North Pacific · Mariana Islands
  35. HYDROPAC 1514/162016-05-23 → 2016-05-24
    Hazardous operations
    Western North Pacific · Mariana Islands
  36. HYDROPAC 1498/162016-05-22 → 2016-05-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  37. NAVAREA XII 155/162016-05-20 → 2016-05-30
    Hazardous operations
    Eastern North Pacific · California
  38. HYDROPAC 1458/162016-05-18 → 2016-05-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  39. HYDROPAC 1440/162016-05-17 → 2016-05-18
    Hazardous operations
    Western North Pacific · Mariana Islands
  40. HYDROPAC 1428/162016-05-16 → 2016-05-17
    Hazardous operations
    Western North Pacific · Mariana Islands
  41. HYDROPAC 1427/162016-05-16 → 2016-05-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  42. HYDROPAC 1423/162016-05-15 → 2016-05-16
    Hazardous operations
    Western North Pacific · Mariana Islands
  43. NAVAREA XII 139/162016-05-10 → 2016-06-02
    Hazardous operations
    Eastern North Pacific · Mexico
  44. NAVAREA XII 138/162016-05-10 → 2016-06-02
    Hazardous operations
    Eastern North Pacific · Mexico
  45. NAVAREA XII 136/162016-05-10 → 2016-06-02
    Hazardous operations
    Eastern North Pacific · Mexico
  46. HYDROPAC 1343/162016-05-09 → 2016-05-10
    Hazardous operations
    Western North Pacific · Mariana Islands
  47. HYDROPAC 1336/162016-05-08 → 2016-05-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  48. HYDROPAC 1335/162016-05-08 → 2016-05-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  49. NAVAREA XII 127/162016-05-05 → 2016-05-16
    Hazardous operations
    Eastern North Pacific · California
  50. HYDROPAC 1266/162016-05-01 → 2016-05-06
    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 48 · seahazards