Military exercises in the North Pacific Ocean

Gunnery, firing and naval exercise areas.

in force
6
last 12 months
18
vs previous 12 (30)
-40%
since 1993
4,624

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 · 31 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 · 31 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 · 31 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 · 27 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 · 27 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
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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
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M
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S
O
N
D

Other hazards in the North Pacific Ocean

Archive · 4,618 cancelled

  1. NAVAREA XII 255/202020-06-15 → 2020-06-19
    Hazardous operations 16 thru 18 jun in area bound by 31-10N 116-40W, 31-00N 116-40W, 31-00N 116-30W, 31-10N…
    Eastern North Pacific · Mexico
  2. HYDROPAC 1767/202020-06-15 → 2020-06-16
    Hazardous operations 160300Z to 161355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  3. HYDROPAC 1743/202020-06-12 → 2020-06-15
    Hazardous operations 150300Z to 151355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  4. NAVAREA XII 247/202020-06-12 → 2020-06-16
    Hazardous operations 161730Z to 162130Z jun in area bound by 34-45N 121-18W, 34-03N 121-02W, 33-59N 121-20W,…
    Eastern North Pacific · California
  5. HYDROPAC 1739/202020-06-12 → 2020-06-13
    Hazardous operations 130300Z to 131355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  6. NAVAREA XII 246/202020-06-11 → 2020-06-12
    Hazardous operations 161730Z to 162130Z jun in area bound by 34-37N 121-19W, 34-06N 121-03W, 34-01N 121-21W,…
    Eastern North Pacific · California
  7. HYDROPAC 1731/202020-06-11 → 2020-06-12
    Hazardous operations 120300Z to 121355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  8. HYDROPAC 1719/202020-06-10 → 2020-06-11
    Hazardous operations 110300Z to 111355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  9. HYDROPAC 1718/202020-06-10 → 2020-06-11
    Hazardous operations 102130Z to 110130Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  10. NAVAREA XII 243/202020-06-10 → 2020-06-18
    Hazardous operations 151500Z to 152359Z jun, alternate 161500Z to 162359Z and 171500Z to 172359Z jun in area…
    Eastern Northern Pacific · California
  11. HYDROPAC 1708/202020-06-09 → 2020-06-10
    Hazardous operations 100300Z to 101355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  12. HYDROPAC 1707/202020-06-09 → 2020-06-10
    Hazardous operations 092100Z to 100600Z jun in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
    Western North Pacific · Guam
  13. HYDROPAC 1699/202020-06-08 → 2020-06-09
    Hazardous operations 090300Z to 091355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  14. NAVAREA XII 237/202020-06-05 → 2020-06-10
    Hazardous operations 101730Z to 102130Z and 121730Z to 122130Z jun in area bound by 34-37N 121-19W, 34-06N…
    Eastern North Pacific · California
  15. HYDROPAC 1667/202020-06-05 → 2020-06-06
    Hazardous operations 060300Z to 061355Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  16. HYDROPAC 1661/202020-06-04 → 2020-06-05
    Hazardous operations 050400Z to 051200Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  17. NAVAREA XII 230/202020-06-03 → 2020-06-05
    Hazardous operations 051800Z to 052200Z jun in area within 16 miles of 34-19N 121-18W
    Eastern North Pacific · California
  18. HYDROPAC 1653/202020-06-03 → 2020-06-11
    Gunnery exercises 2100Z to 1000Z daily 07 thru 10 jun in area within 25 miles of 31-14-14N 144-26-48E
    Western North Pacific
  19. HYDROPAC 1652/202020-06-03 → 2020-06-04
    Hazardous operations 040300Z to 041200Z jun in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
    Western North Pacific · Guam
  20. HYDROPAC 1651/202020-06-03 → 2020-06-04
    Hazardous operations 040300Z to 041200Z jun in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  21. NAVAREA XII 229/202020-06-03 → 2020-06-09
    Hazardous operations 081400Z to 081900Z jun, alternate 091400Z to 091900Z jun in area bound by 33-54N…
    Eastern North Pacific · California
  22. NAVAREA XII 225/202020-05-30 → 2020-06-08
    Hazardous operations 041500Z to 050100Z jun, alternate 051500Z to 060100Z, 061500Z to 070100Z and 071500Z to…
    Eastern North Pacific · California
  23. HYDROPAC 1615/202020-05-29 → 2020-05-30
    Hazardous operations 300400Z to 301200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  24. HYDROPAC 1598/202020-05-28 → 2020-05-29
    Hazardous operations 290400Z to 291200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  25. HYDROPAC 1585/202020-05-27 → 2020-06-30
    Gunnery exercises 2300Z to 0900Z daily 31 may thru 29 jun in area bound by 28-15-15N 146-29-47E, 25-25-16N…
    Western North Pacific
  26. HYDROPAC 1578/202020-05-27 → 2020-05-28
    Hazardous operations 280400Z to 281200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  27. HYDROPAC 1564/202020-05-26 → 2020-05-27
    Hazardous operations 262100Z to 270100Z may in area within 15 miles of 12-06N 145-30E
    Western North Pacific
  28. HYDROPAC 1563/202020-05-26 → 2020-05-27
    Hazardous operations 270400Z to 271200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  29. HYDROPAC 1551/202020-05-25 → 2020-05-26
    Hazardous operations 260400Z to 261200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  30. NAVAREA XII 221/202020-05-25 → 2020-05-26
    Hazardous operations 271030Z to 271700Z may, alternate 1030Z to 1700Z daily 28 thru 30 may in areas bound…
    Eastern North Pacific · California
  31. HYDROPAC 1519/202020-05-22 → 2020-05-23
    Hazardous operations 230600Z to 231200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  32. HYDROPAC 1518/202020-05-22 → 2020-05-24
    Hazardous operations 222100Z to 240100Z may in area within 15 miles of 12-06N 145-30E
    Western North Pacific · Guam
  33. HYDROPAC 1507/202020-05-21 → 2020-05-22
    Hazardous operations 220600Z to 221200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  34. HYDROPAC 1491/202020-05-20 → 2020-05-21
    Hazardous operations 210600Z to 211200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  35. HYDROPAC 1483/202020-05-19 → 2020-05-20
    Hazardous operations 200600Z to 201200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  36. NAVAREA XII 210/202020-05-15 → 2020-05-23
    Hazardous operations 191500Z to 200100Z may, alternate 1500Z to 0100Z commencing daily 20 thru 22 may in…
    Eastern North Pacific · California
  37. HYDROPAC 1440/202020-05-15 → 2020-05-16
    Hazardous operations 160400Z to 161200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  38. HYDROPAC 1429/202020-05-14 → 2020-05-15
    Hazardous operations 150400Z to 151200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  39. NAVAREA XII 208/202020-05-13 → 2020-05-19
    Hazardous operations 181900Z to 182359Z may in area bound by 33-56N 119-14W, 33-46N 119-08W, 33-24N 120-06W,…
    Eastern North Pacific · California
  40. HYDROPAC 1424/202020-05-13 → 2020-05-14
    Hazardous operations 140400Z to 141200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  41. NAVAREA XII 206/202020-05-12 → 2020-05-15
    Hazardous operations 151800Z to 152130Z may in area within 13 miles of 34-16N 121-16W
    Eastern North Pacific · California
  42. HYDROPAC 1414/202020-05-12 → 2020-05-13
    Hazardous operations 130400Z to 131200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  43. HYDROPAC 1413/202020-05-12 → 2020-05-13
    Hazardous operations 122300Z to 130600Z may in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
    Western North Pacific · Guam
  44. HYDROPAC 1407/202020-05-11 → 2020-05-12
    Hazardous operations 120400Z to 121200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  45. NAVAREA XII 201/202020-05-09 → 2020-05-17
    Hazardous operations 141400Z to 150200Z may, alternate 161400Z to 170200Z may in area within 12 miles of…
    Eastern North Pacific · California
  46. HYDROPAC 1393/202020-05-09 → 2020-05-17
    Gunnery exercises 132300Z to 140800Z may, alternate 2300Z to 0800Z commencing daily 14 thru 16 may in area…
    Western North Pacific
  47. HYDROPAC 1384/202020-05-08 → 2020-05-09
    Hazardous operations 090300Z to 091200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  48. NAVAREA XII 196/202020-05-07 → 2020-05-17
    Hazardous operations 121900Z to 130001Z, 131400Z to 140001Z, 141400Z to 150001Z, 151400Z to 160001Z and…
    Eastern North Pacific · California
  49. HYDROPAC 1374/202020-05-07 → 2020-05-08
    Hazardous operations 080300Z to 081200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  50. HYDROPAC 1367/202020-05-06 → 2020-05-07
    Hazardous operations 070300Z to 071200Z may in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam

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.