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 2828/132013-09-17 → 2013-09-18
    Hazardous operations
    Western Pacific · Mariana Islands
  2. HYDROPAC 2812/132013-09-16 → 2013-09-17
    Hazardous operations
    North Pacific · Mariana Islands
  3. HYDROPAC 2793/132013-09-14 → 2013-09-16
    Hazardous operations
    North Pacific · Mariana Islands
  4. NAVAREA XII 228/132013-09-13 → 2013-09-14
    Hazardous operations
    Eastern North Pacific
  5. NAVAREA XII 225/132013-09-12 → 2013-09-14
    Hazardous operations
    Eastern North Pacific
  6. HYDROPAC 2740/132013-09-11 → 2013-09-12
    Hazardous operations
    North Pacific · Mariana Islands
  7. NAVAREA XII 224/132013-09-10 → 2013-09-12
    Hazardous operations
    Eastern North Pacific
  8. HYDROPAC 2712/132013-09-09 → 2013-09-11
    Hazardous operations
    North Pacific · Mariana Islands
  9. NAVAREA XII 223/132013-09-09 → 2013-09-13
    Hazardous operations
    Eastern North Pacific
  10. HYDROPAC 2706/132013-09-07 → 2013-09-08
    Hazardous operations
    North Pacific · Mariana Islands
  11. NAVAREA XII 219/132013-09-05 → 2013-09-07
    Hazardous operations
    Eastern North Pacific · California
  12. HYDROPAC 2664/132013-09-05 → 2013-09-06
    Hazardous operations
    North Pacific · Mariana Islands
  13. NAVAREA XII 212/132013-08-29 → 2013-09-09
    Hazardous operations
    Eastern North Pacific · California
  14. HYDROPAC 2552/132013-08-26 → 2013-09-30
    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 · Nampo Shoto · Gunnery
  15. HYDROPAC 2495/132013-08-21 → 2013-08-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  16. HYDROPAC 2482/132013-08-19 → 2013-08-20
    Hazardous operations
    Western North Pacific · Mariana Islands
  17. HYDROPAC 2462/132013-08-18 → 2013-08-19
    Hazardous operations
    Western North Pacific · Mariana Islands
  18. HYDROPAC 2406/132013-08-12 → 2013-08-13
    Hazardous operations
    Western North Pacific · Mariana Islands
  19. HYDROPAC 2402/132013-08-11 → 2013-08-12
    Hazardous operations
    Western North Pacific · Mariana Islands
  20. HYDROPAC 2321/132013-08-05 → 2013-08-09
    Hazardous operations
    Western North Pacific · Mariana Islands
  21. HYDROPAC 2279/132013-08-01 → 2013-08-02
    Hazardous operations
    Western North Pacific · Mariana Islands
  22. NAVAREA XII 190/132013-08-01 → 2013-08-06
    Hazardous operations
    Gulf of Alaska
  23. HYDROPAC 2263/132013-07-31 → 2013-08-01
    Hazardous operations
    Western North Pacific · Mariana Islands
  24. HYDROPAC 2262/132013-07-31 → 2013-10-01
    Hazardous operations
    North Pacific · Marshall Islands
  25. HYDROPAC 2246/132013-07-29 → 2013-07-30
    Hazardous operations
    Western North Pacific · Mariana Islands
  26. HYDROPAC 2238/132013-07-28 → 2013-07-29
    Hazardous operations
    Western North Pacific · Mariana Islands
  27. HYDROPAC 2225/132013-07-26 → 2013-08-31
    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 · Japan · Nampo Shoto · Gunnery
  28. HYDROPAC 2171/132013-07-23 → 2013-07-26
    Hazardous operations
    Western North Pacific · Mariana Islands
  29. HYDROPAC 2160/132013-07-22 → 2013-07-23
    Hazardous operations
    Western North Pacific · Mariana Islands
  30. HYDROPAC 2151/132013-07-21 → 2013-07-22
    Hazardous operations
    Western North Pacific · Mariana Islands
  31. HYDROPAC 2130/132013-07-19 → 2013-07-21
    Hazardous operations
    North Pacific · Mariana Islands
  32. HYDROPAC 2100/132013-07-16 → 2013-07-18
    Hazardous operations
    North Pacific · Mariana Islands
  33. HYDROPAC 2066/132013-07-14 → 2013-07-15
    Hazardous operations
    North Pacific · Mariana Islands
  34. HYDROPAC 2065/132013-07-14 → 2013-07-19
    Hazardous operations
    North Pacific · Mariana Islands
  35. HYDROPAC 2000/132013-07-09 → 2013-07-12
    Hazardous operations
    North Pacific · Mariana Islands
  36. HYDROPAC 1988/132013-07-08 → 2013-07-11
    Hazardous operations 0030Z to 0330Z daily 09 thru 11 jul in area bound by 13-10N 144-43E, 13-10N 144-30E,…
    North Pacific · Mariana Islands · Hazardous Operation
  37. HYDROPAC 1979/132013-07-07 → 2013-07-07
    Hazardous operations
    North Pacific · Mariana Islands
  38. NAVAREA XII 165/132013-07-04 → 2013-07-07
    Hazardous operations
    Gulf of Alaska
  39. HYDROPAC 1919/132013-07-02 → 2013-07-03
    Hazardous operations
    North Pacific · Mariana Islands
  40. HYDROPAC 1907/132013-07-01 → 2013-07-07
    Hazardous operations
    North Pacific · Mariana Islands
  41. HYDROPAC 1856/132013-06-26 → 2013-08-01
    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 · Japan · Nampo Shoto · Gunnery
  42. HYDROPAC 1752/132013-06-17 → 2013-06-19
    Hazardous operations 180200Z to 180400Z and 182200Z to 190600Z jun in area bound by 13-10N 144-43E, 13-10N…
    North Pacific · Mariana Islands · Hazardous Operation
  43. HYDROPAC 1735/132013-06-15 → 2013-06-18
    Hazardous operations
    North Pacific · Mariana Islands
  44. HYDROPAC 1592/132013-06-03 → 2013-06-06
    Hazardous operations
    North Pacific · Mariana Islands
  45. HYDROPAC 1526/132013-05-28 → 2013-05-30
    Hazardous operations
    North Pacific · Mariana Islands
  46. HYDROPAC 1520/132013-05-27 → 2013-06-30
    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 · Japan · Nampo Shoto · Gunnery
  47. HYDROPAC 1515/132013-05-27 → 2013-05-30
    Hazardous operations
    North Pacific · Mariana Islands
  48. HYDROPAC 1482/132013-05-23 → 2013-05-24
    Hazardous operations
    North Pacific · Mariana Islands
  49. HYDROPAC 1453/132013-05-20 → 2013-05-23
    Hazardous operations
    North Pacific · Mariana Islands
  50. HYDROPAC 1369/132013-05-13 → 2013-05-16
    Hazardous operations
    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 62 · seahazards