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 · 29 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 · 29 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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02
03
04
05
06
07
08
09
10
11
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16
17
18
19
20
21
22
23
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25
26

By month (all years)

J
F
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Other hazards in the North Pacific Ocean

Archive · 4,620 cancelled

  1. NAVAREA XII 350/092009-08-08 → 2009-08-13
    Gunnery and pyrotechnics exercises 112000Z to 120200Z aug, alternate 121600Z to 130200Z aug within 16 miles…
  2. NAVAREA XII 342/092009-08-06 → 2009-08-22
    Hazardous operations 11 thru 21 aug in area bound by 17-47N 102-00W, 17-53N 102-00W, 17-46N 101-49W, 17-42N…
  3. HYDROPAC 1403/092009-08-06 → 2009-08-12
    Hazardous operations 1930Z to 2130Z daily 11 thru 14 aug within 216 miles of 31-55N 153-45E
  4. HYDROPAC 1377/092009-08-02 → 2009-08-06
    Hazardous operations 0200Z to 1400Z daily 03 thru 06 aug within ten miles of 16-01N 146-04E
  5. HYDROPAC 1340/092009-07-27 → 2009-08-31
    Gunnery exercise 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55.15N 144-57.48E,…
  6. HYDROPAC 1334/092009-07-26 → 2009-07-30
    Hazardous operations 2300Z to 1359Z commencing daily 26 thru 29 jul within ten miles of 16-01N 146-04E
  7. NAVAREA XII 317/092009-07-26 → 2009-07-31
    Hazardous operations 310300Z to 310830Z jul, alternate 0300Z to 0830Z daily 01 and 02 aug in area bound by…
  8. NAVAREA XII 308/092009-07-22 → 2009-07-23
    Gunnery exercises 221800Z to 230200Z jul in 20-42N 158-16W
  9. HYDROPAC 1309/092009-07-22 → 2009-07-23
    Hazardous operations 230500Z to 231359Z jul within ten miles of 16-01N 146-04E
  10. NAVAREA XII 303/092009-07-20 → 2009-07-24
    Hazardous operations 0700Z to 2200Z daily 23 and 24 jul in area bound by 33-34N 119-43W, 32-37N 121-58W,…
  11. NAVAREA XII 298/092009-07-17 → 2009-07-17
    Hazardous operations 170700Z to 172200Z jul in area bound by 33-34N 119-43W, 32-37N 121-58W, 30-02N 124-21W,…
  12. HYDROPAC 1261/092009-07-13 → 2009-07-14
    Hazardous operations 132200Z to 141000Z jul within ten miles of 16-01N 146-04E
  13. HYDROPAC 1250/092009-07-10 → 2009-07-11
    Hazardous operations 132240Z to 140500Z jul, alternate 142240Z to 150500Z jul in area bound by 09-21N…
  14. HYDROPAC 1245/092009-07-10 → 2009-07-14
    Hazardous operations 132240Z to 140500Z jul, alternate 142240Z to 150500Z jul in area bound by 09-06N…
  15. HYDROPAC 1235/092009-07-08 → 2009-07-10
    Hazardous operations 132200Z to 140500Z jul, alternate 142200Z to 150500Z jul in area bound by 09-06N…
  16. HYDROPAC 1227/092009-07-06 → 2009-07-09
    Hazardous operations 0700Z to 1359Z daily 08 and 09 jul within ten miles of 16-01N 146-04E
  17. NAVAREA XII 281/092009-07-04 → 2009-07-11
    Hazardous operations 081900Z to 090400Z jul, alternate 1900Z to 0400Z commencing daily 09 and 10 jul in area…
  18. HYDROPAC 1185/092009-06-27 → 2009-07-02
    Hazardous operations 2300Z to 0700Z commencing daily 29 jun and 01 jul within ten miles of 16-01N 146-04E
  19. HYDROPAC 1183/092009-06-27 → 2009-07-02
    Hazardous operations 1900Z to 2100Z daily 30 jun thru 02 jul within 216 miles of 31-55N 153-45E
  20. HYDROPAC 1179/092009-06-26 → 2009-07-31
    Gunnery exercise 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55.15N 144-57.48E,…
  21. HYDROPAC 1169/092009-06-25 → 2009-06-27
    Hazardous operations 1900Z to 2100Z daily 29 jun thru 02 jul within 216 miles of 31-55N 153-45E
  22. HYDROPAC 1165/092009-06-24 → 2009-06-29
    Hazardous operations 0931Z to 1731Z daily 29 jun thru 02 jul in area bound by 13-34N 173-17E, 14-29N…
  23. NAVAREA XII 271/092009-06-24 → 2009-06-29
    Hazardous operations 0931Z to 1731Z daily 29 jun thru 02 jul in areas bound by: a. 34-49N 121-01W, 34-50N…
  24. HYDROPAC 1164/092009-06-24 → 2009-06-29
    Hazardous operations 290901Z to 291730Z jun and 010910Z to 011730Z jul in areas bound by: a. 08-56N 167-33E,…
  25. HYDROPAC 1151/092009-06-21 → 2009-06-24
    Hazardous operations 2300Z to 1600Z commencing daily 21 thru 23 jun within ten miles of 16-01N 146-04E
  26. HYDROPAC 1138/092009-06-18 → 2009-06-24
    Hazardous operations 2130Z to 2300Z daily 21 thru 24 jun within 280 miles of 36-16N 148-11E
  27. HYDROPAC 1111/092009-06-15 → 2009-06-21
    Hazardous operations 2200Z to 1500Z commencing daily 17 thru 20 jun in area bound by 13-10N 144-30E, 13-10N…
  28. HYDROPAC 1097/092009-06-12 → 2009-06-18
    Hazardous operations 1900Z to 1500Z commencing daily 13 thru 17 jun within ten miles of 16-01N 146-04E
  29. HYDROPAC 1075/092009-06-09 → 2009-06-09
    Hazardous operations 090200Z to 090600Z jun within ten miles of 16-01N 146-04E
  30. HYDROPAC 1027/092009-06-01 → 2009-06-09
    Hazardous operations 041500Z to 081500Z jun, alternate 081500Z to 091500Z jun within 25 miles of 31-14-14N…
  31. HYDROPAC 1007/092009-05-27 → 2009-06-30
    Gunnery exercise 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55.15N 144-57.48E,…
  32. HYDROPAC 967/092009-05-20 → 2009-05-21
    Hazardous operations 210400Z to 210800Z may within ten miles of 16-01N 146-04E
  33. HYDROPAC 957/092009-05-18 → 2009-05-21
    Hazardous operations 0001Z to 0400Z daily 19 and 21 may within ten miles of 11-40N 144-00E
  34. HYDROPAC 945/092009-05-15 → 2009-05-16
    Hazardous operations 0030Z to 0200Z daily 16 thru 19 may within 216 miles of 31-55N 153-45E
  35. HYDROPAC 921/092009-05-13 → 2009-05-14
    Hazardous operations 140001Z to 140400Z may within ten miles of 11-40N 144-00E
  36. HYDROPAC 920/092009-05-13 → 2009-05-21
    Hazardous operations 0001Z to 1600Z daily 14 thru 21 may within ten miles of 16-01N 146-04E
  37. HYDROPAC 905/092009-05-11 → 2009-05-12
    Hazardous operations 120001Z to 120400Z may within ten miles of 11-40N 144-00E
  38. NAVAREA XII 217/092009-05-06 → 2009-05-13
    Hazardous operations 111801Z to 112044Z may, alternate 121731Z to 122014Z and 131700Z to 131947Z may in area…
  39. HYDROPAC 879/092009-05-05 → 2009-05-06
    Hazardous operations 060001Z to 060300Z may within ten miles of 16-01N 146-04E
  40. NAVAREA XII 206/092009-05-01 → 2009-05-06
    Hazardous operations 1954Z to 2152Z daily 05 thru 08 may in areas bound by: a. 34-27N 120-40W, 34-29N…
  41. HYDROPAC 826/092009-04-26 → 2009-05-31
    Gunnery exercise 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55.15N 144-57.48E,…
  42. HYDROPAC 788/092009-04-20 → 2009-04-21
    Hazardous operations 210400Z to 210800Z apr within ten miles of 16-01N 146-04E
  43. HYDROPAC 756/092009-04-15 → 2009-04-18
    Hazardous operations 2200Z to 0500Z commencing daily 20 and 21 apr in area bound by 09-06N 167-35E, 09-21N…
  44. HYDROPAC 743/092009-04-13 → 2009-04-16
    Hazardous operations 0001Z to 0400Z daily 14 and 16 apr within ten miles of 16-01N 146-04E
  45. HYDROPAC 741/092009-04-13 → 2009-04-13
    Hazardous operations 0001Z to 0400Z daily 14 and 16 mar within ten miles of 16-01N 146-04E
  46. NAVAREA XII 184/092009-04-10 → 2009-04-17
    Hazardous operations 1400Z to 2200Z daily 14, 16 and 17 apr in areas bound by: a. 30-33N 128-10W, 29-36N…
  47. HYDROPAC 688/092009-04-06 → 2009-04-07
    Hazardous operations 062245Z to 070500Z apr within ten miles of 16-01N 146-04E
  48. NAVAREA XII 173/092009-04-02 → 2009-04-10
    Hazardous operations 070030Z to 070600Z apr, alternate 0030Z to 0600Z daily 08 and 10 apr in area bound by…
  49. HYDROPAC 651/092009-04-01 → 2009-04-02
    Hazardous operations 012300Z to 020230Z apr within ten miles of 16-01N 146-04E
  50. HYDROPAC 648/092009-03-31 → 2009-04-04
    Hazardous operations 1600Z to 1730Z daily 03 thru 07 apr within 216 miles of 03-00N 166-00E

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 73 · seahazards