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 349/102010-08-08 → 2010-08-22
    Hazardous operations
    Eastern North Pacific · Mexico-southwest Coast
  2. HYDROPAC 1567/102010-08-02 → 2010-08-06
    Hazardous operations
    North Pacific · Mariana Islands
  3. HYDROPAC 1523/102010-07-27 → 2010-08-31
    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 · Gunnery
  4. HYDROPAC 1516/102010-07-25 → 2010-07-30
    Hazardous operations 1. hazardous operations 2200Z to 1300Z commencing daily 25 and 29 jul in area bound by…
    North Pacific · Mariana Islands
  5. NAVAREA XII 322/102010-07-18 → 2010-07-21
    Hazardous operations
    Gulf of Alaska
  6. HYDROPAC 1432/102010-07-12 → 2010-07-16
    Hazardous operations
    North Pacific · Marianas Islands
  7. NAVAREA XII 312/102010-07-09 → 2010-07-31
    Hazardous operations
    North Pacific · Hawaii
  8. HYDROPAC 1409/102010-07-07 → 2010-07-08
    Hazardous operations
    North Pacific · Marianas Islands
  9. NAVAREA XII 309/102010-07-07 → 2010-07-22
    Hazardous operations
    Mexico-south Coast
  10. HYDROPAC 1395/102010-07-06 → 2010-07-07
    Hazardous operations
    North Pacific · Mariana Islands
  11. NAVAREA XII 302/102010-07-01 → 2010-07-09
    Hazardous operations
    North Pacific · Hawaii
  12. HYDROPAC 1364/102010-07-01 → 2010-07-02
    Hazardous operations
    North Pacific · Mariana Islands
  13. HYDROPAC 1342/102010-06-29 → 2010-07-02
    Hazardous operations
    North Pacific · Mariana Islands
  14. HYDROPAC 1341/102010-06-29 → 2010-06-30
    Hazardous operations
    North Pacific · Mariana Islands
  15. HYDROPAC 1323/102010-06-26 → 2010-07-31
    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 · Gunnery
  16. HYDROPAC 1320/102010-06-26 → 2010-06-30
    Hazardous operations
    North Pacific
  17. NAVAREA XII 292/102010-06-26 → 2010-06-30
    Hazardous operations
    Eastern North Pacific
  18. HYDROPAC 1251/102010-06-16 → 2010-06-22
    Gunnery exercises 202100Z to 211100Z jun, alternate 212100Z to 221100Z jun within 25 miles of 31-14-14N…
    Western North Pacific · Nampo Shoto · Gunnery
  19. HYDROPAC 1249/102010-06-15 → 2010-06-16
    Hazardous operations
    North Pacific
  20. NAVAREA XII 268/102010-06-15 → 2010-06-16
    Hazardous operations
    Eastern North Pacific
  21. HYDROPAC 1245/102010-06-14 → 2010-06-16
    Hazardous operations
    North Pacific · Mariana Islands
  22. HYDROPAC 1231/102010-06-12 → 2010-06-13
    Hazardous operations
    Eastern North Pacific · Marshall Islands
  23. HYDROPAC 1224/102010-06-12 → 2010-06-15
    Hazardous operations
    North Pacific
  24. NAVAREA XII 261/102010-06-12 → 2010-06-15
    Hazardous operations
    Eastern North Pacific
  25. NAVAREA XII 252/102010-06-06 → 2010-06-22
    Hazardous operations
    Eastern North Pacific · Mexico-southwest Coast
  26. NAVAREA XII 243/102010-06-01 → 2010-06-06
    Hazardous operations
    Eastern North Pacific
  27. HYDROPAC 1095/102010-05-27 → 2010-06-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55-15N 144-57-48E,…
    North Pacific · Gunnery
  28. NAVAREA XII 236/102010-05-26 → 2010-06-02
    Gunnery exercises 011400Z to 012359Z jun in area bound by 13-47.7N 090-40.4W, 13-47.6N 090-36.4W, 13-43.2N…
    Eastern North Pacific · Guatemala · Gunnery
  29. HYDROPAC 1028/102010-05-18 → 2010-05-19
    Hazardous operations
    North Pacific · Mariana Islands
  30. HYDROPAC 1019/102010-05-16 → 2010-05-17
    Hazardous operations
    North Pacific · Mariana Islands
  31. HYDROPAC 954/102010-05-08 → 2010-05-13
    Gunnery exercises 130330Z to 130900Z may within ten miles of 37-10.4N 148-58.4E
    Western North Pacific · Gunnery
  32. NAVAREA XII 210/102010-05-06 → 2010-05-22
    Hazardous operations
    Gulf of Tehuantepec · Mexico
  33. HYDROPAC 913/102010-05-03 → 2010-05-05
    Hazardous operations
    North Pacific · Mariana Islands
  34. NAVAREA XII 203/102010-04-28 → 2010-04-29
    Hazardous operations
    Eastern North Pacific
  35. NAVAREA XII 202/102010-04-27 → 2010-04-27
    Hazardous operations
    Eastern North Pacific
  36. HYDROPAC 870/102010-04-26 → 2010-05-30
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…
    North Pacific · Gunnery
  37. HYDROPAC 840/102010-04-23 → 2010-04-25
    Gunnery exercises 2300Z to 1200Z commencing daily 23 and 24 apr in area bound by 52-30.0N 159-17.0E,…
    Western North Pacific · Kamchatka-east Coast · Gunnery
  38. NAVAREA XII 188/102010-04-21 → 2010-04-23
    Hazardous operations
    Eastern North Pacific
  39. NAVAREA XII 184/102010-04-19 → 2010-04-21
    Hazardous operations
    Eastern North Pacific
  40. NAVAREA XII 176/102010-04-16 → 2010-04-19
    Hazardous operations
    Eastern North Pacific
  41. HYDROPAC 780/102010-04-15 → 2010-04-16
    Gunnery exercises 160130Z to 160230Z apr within seven miles of 18-50N 170-59E
    North Pacific · Gunnery
  42. HYDROPAC 774/102010-04-15 → 2010-04-16
    Gunnery exercises 160130Z to 160230Z apr within seven miles of 18-50N 170-59E
    North Pacific · Gunnery
  43. NAVAREA XII 171/102010-04-14 → 2010-04-14
    Gunnery exercises 142100Z to 142200Z apr within seven miles of 19-54N 178-59W
    North Pacific · Gunnery
  44. NAVAREA XII 154/102010-04-09 → 2010-04-12
    Hazardous operations
    Gulf of Alaska
  45. NAVAREA XII 153/102010-04-09 → 2010-04-10
    Hazardous operations
    Gulf of Alaska
  46. HYDROPAC 708/102010-04-08 → 2010-04-09
    Hazardous operations
    North Pacific · Mariana Islands
  47. NAVAREA XII 150/102010-04-06 → 2010-04-22
    Hazardous operations
    Eastern North Pacific · Mexico-southwest Coast
  48. NAVAREA XII 146/102010-04-05 → 2010-04-06
    Hazardous operations
    Gulf of Alaska
  49. HYDROPAC 686/102010-04-04 → 2010-04-07
    Hazardous operations
    North Pacific · Mariana Islands
  50. NAVAREA XII 144/102010-04-04 → 2010-04-08
    Gunnery/bombing exercises 081500Z to 081900Z apr in area bound by 23-24.0N 153-57.0W, 24-25.0N 151-17.0W,…
    North Pacific · Ordnance

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 70 · seahazards