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
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 1360/062006-07-19 → 2006-07-24
    Hazardous operations 0801Z to 1401Z daily 20 thru 24 jul in areas bound by: a. 34-50N 121-04W, 34-51N…
  2. HYDROPAC 1335/062006-07-17 → 2006-07-17
    Hazardous operations 170430Z to 171100Z and 2100Z to 1230Z daily 17 thru 19 jul within ten miles of 16-01N…
  3. HYDROPAC 1331/062006-07-16 → 2006-07-20
    Hazardous operations within ten miles of 16-01N 146-04E: a. 170430Z to 171100Z jul
  4. NAVAREA XII 178/062006-07-14 → 2006-07-19
    Hazardous operations 0801Z to 1401Z daily 19 thru 24 jul in areas bound by: a. 34-50N 121-04W, 34-51N…
  5. HYDROPAC 1320/062006-07-14 → 2006-07-19
    Hazardous operations 0801Z to 1401Z daily 19 thru 24 jul in areas bound by: a. 34-50N 121-04W, 34-51N…
  6. HYDROPAC 1319/062006-07-14 → 2006-07-19
    Hazardous operations 0701Z to 1501Z 19 and 20 jul in area bound by 10-16N 168-41E, 09-35N 169-05E, 09-10N…
  7. HYDROPAC 1294/062006-07-10 → 2006-07-13
    Hazardous operations 1400Z to 1800Z daily 12 and 13 jul within 108 miles of 20-44N 173-38W
  8. NAVAREA XII 174/062006-07-05 → 2006-07-08
    Hazardous operations 071600Z to 080001Z jul within 10,000 yards of 58-03.4N 137-01.0W
  9. HYDROPAC 1261/062006-07-04 → 2006-07-07
    Gunnery exercises 2300Z to 0730Z commencing daily 04 thru 06 jul within ten miles of 16-01N 146-04E
  10. HYDROPAC 1255/062006-07-03 → 2006-07-07
    Gunnery exercises 2300Z to 0730Z commencing daily 04 thru 06 jul within ten miles of 16-01N 146-04E
  11. HYDROPAC 1182/062006-06-25 → 2006-07-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55-15N 144-57-48E,…
  12. NAVAREA XII 159/062006-06-23 → 2006-06-30
    Hazardous operations 0200Z to 0400Z daily 28 thru 30 jun in areas bound by: a. 34-23N 120-28W, 34-21N…
  13. HYDROPAC 1174/062006-06-23 → 2006-06-30
    Hazardous operations within ten miles of 16-01N 146-04E: a. 232100Z to 240900Z jun
  14. NAVAREA XII 149/062006-06-15 → 2006-06-24
    Hazardous operations 212100Z to 220100Z jun, alternate 222100Z to 230100Z jun and 232100Z to 240100Z jun in…
  15. HYDROPAC 1070/062006-06-12 → 2006-06-23
    Gunnery exercises daily 12 thru 23 jun within ten miles of 16-01N 146-04E
  16. HYDROPAC 1042/062006-06-07 → 2006-06-14
    Hazardous operations 0701Z to 1501Z daily 14 and 15 jun in areas bound by: a. 12-04N 170-02E, 12-48N…
  17. HYDROPAC 979/062006-05-27 → 2006-06-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55-15N 144-57-48E,…
  18. HYDROPAC 968/062006-05-27 → 2006-06-10
    Gunnery exercises 2200Z to 1400Z commencing daily 31 may thru 09 jun within ten miles of 16-01N 146-04E
  19. HYDROPAC 942/062006-05-23 → 2006-05-25
    Hazardous operations 2330Z to 0930Z commencing daily 23 and 24 may within ten miles of 16-01N 146-04E
  20. HYDROPAC 939/062006-05-22 → 2006-05-25
    Hazardous operations 2330Z to 0930Z commencing daily 22 thru 24 may within ten miles of 16-01N 146-04E
  21. HYDROPAC 925/062006-05-20 → 2006-05-26
    Hazardous operations 231200Z to 261200Z may within ten miles of 09-00N 167-43E
  22. HYDROPAC 920/062006-05-19 → 2006-05-26
    Hazardous operations 231200Z to 261200Z may within 10 miles of 09-00N 167-43E
  23. HYDROPAC 918/062006-05-18 → 2006-05-27
    Hazardous operations 1450Z to 1950Z daily 23 thru 27 may within 75 miles of 24-30N 172-00E
  24. HYDROPAC 893/062006-05-15 → 2006-05-16
    Gunnery exercises 161930Z to 162200Z may within ten miles of 16-01N 146-04E
  25. HYDROPAC 892/062006-05-14 → 2006-05-15
    Hazardous operations 161930Z to 162200Z may within ten miles of 16-01N 146-04E
  26. HYDROPAC 863/062006-05-10 → 2006-05-18
    Hazardous operations 112000Z to 130900Z, 152330Z to 160200Z, 170100Z to 170300Z and 180330Z to 180600Z may…
  27. NAVAREA XII 117/062006-05-05 → 2006-05-11
    Hazardous operations 0900Z to 1800Z daily 09 thru 11 may: a. in area bound by 34-48N 128-21W, 32-45N…
  28. HYDROPAC 832/062006-05-05 → 2006-05-11
    Hazardous operations 0900Z to 1800Z daily 09 thru 11 may: a. in area bound by 34-48N 128-21W, 32-45N…
  29. HYDROPAC 817/062006-05-04 → 2006-05-11
    Hazardous operations 0900Z to 1800Z daily 09 thru 11 may in area bound by 12-21N 151-09E, 14-53N 155-34E,…
  30. HYDROPAC 790/062006-05-01 → 2006-05-11
    Hazardous operations 0900Z to 1800Z daily 09 thru 11 may in areas bound by: a. 34-48N 128-21W, 32-45N…
  31. NAVAREA XII 113/062006-05-01 → 2006-05-11
    Hazardous operations 0900Z to 1800Z daily 09 thru 11 may in areas bound by: a. 34-48N 128-21W, 32-45N…
  32. NAVAREA XII 110/062006-04-26 → 2006-04-30
    Hazardous operations 0932Z to 1103Z daily 28 thru 30 apr in areas bound by: a. 34-29N 120-39W, 34-31N…
  33. HYDROPAC 755/062006-04-26 → 2006-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…
  34. NAVAREA XII 109/062006-04-25 → 2006-04-27
    Hazardous operations 0932Z to 1103Z daily 26 thru 27 apr in areas bound by: a. 34-29N 120-39W, 34-31N…
  35. NAVAREA XII 105/062006-04-23 → 2006-04-25
    Hazardous operations 0932Z to 1103Z daily 25 thru 27 apr in areas bound by: a. 34-29N 120-39W, 34-31N…
  36. NAVAREA XII 104/062006-04-21 → 2006-04-23
    Hazardous operations 0932Z to 1103Z daily 23 thru 25 apr in areas bound by: a. 34-29N 120-39W, 34-31N…
  37. NAVAREA XII 103/062006-04-21 → 2006-04-21
    Hazardous operations 0932Z to 1103Z daily 22 thru 25 apr in areas bound by: a. 34-29N 120-39W, 34-31N…
  38. NAVAREA XII 92/062006-04-10 → 2006-04-14
    Hazardous operations: a. 112030Z to 112330Z, 122030Z to 130030Z, and 132030Z to 140030Z apr in area bound by…
  39. NAVAREA XII 90/062006-04-07 → 2006-04-10
    Hazardous operations: a. 112130Z to 120030Z, 122130Z to 130130Z, and 132130Z to 140130Z apr in area bound by…
  40. NAVAREA XII 86/062006-04-06 → 2006-04-29
    Hazardous operations 1500Z to 1900Z daily 13 thru 15 and 27 thru 29 apr in area bound by 22-10N 159-43W,…
  41. HYDROPAC 597/062006-04-05 → 2006-04-06
    Hazardous operations 2340Z to 0410Z daily 14 thru 18 apr in areas: a. 23-48N 117-43W, 25-20N 118-09W, 25-31N…
  42. NAVAREA XII 84/062006-04-05 → 2006-04-06
    Hazardous operations 2340Z to 0410Z daily 14 thru 18 apr in areas: a. 23-48N 117-43W, 25-20N 118-09W, 25-31N…
  43. HYDROPAC 587/062006-04-04 → 2006-04-08
    Hazardous operations 2100Z to 2300Z daily 05 and 06 apr, 0100Z to 0300Z daily 06 and 07 apr, 0500Z to 0700Z…
  44. HYDROPAC 519/062006-03-26 → 2006-04-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 27-55-15N 144-57-48E,…
  45. HYDROPAC 466/062006-03-20 → 2006-03-28
    Hazardous operations 2000Z to 0400Z commencing daily 22 thru 27 mar in area bound by 09-02N 167-34E, 08-54N…
  46. HYDROPAC 457/062006-03-18 → 2006-03-20
    Hazardous operations 2100Z to 0400Z commencing daily 20 thru 25 mar in area bound by 09-02N 167-34E, 08-54N…
  47. HYDROPAC 456/062006-03-17 → 2006-03-20
    Hazardous operations 2100Z to 0400Z commencing daily 20 thru 25 mar in area bound by 09-02N 167-34E, 08-54N…
  48. HYDROPAC 450/062006-03-17 → 2006-03-17
    Hazardous operations 2100Z to 0400Z daily 20 thru 24 mar in area bound by 09-02N 167-34E, 08-54N 167-39E,…
  49. HYDROPAC 446/062006-03-17 → 2006-03-17
    Hazardous operations 2100Z to 0400Z commencing daily 20 thru 24 mar in area bound by 09-02N 167-34E, 08-54N…
  50. HYDROPAC 431/062006-03-14 → 2006-03-17
    Hazardous operations 2100Z to 0400Z commencing daily 21 thru 23 mar in area bound by 09-02N 167-34E, 08-54N…

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 80 · seahazards