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 1971/082008-10-09 → 2008-10-14
    Hazardous operations 0400Z to 1200Z daily 11 thru 14 oct in areas: a. within 35 miles of 07-25N 178-45E
  2. HYDROPAC 1962/082008-10-07 → 2008-10-09
    Hazardous operations 0400Z to 0900Z daily 11 thru 14 oct in areas: a. within 35 miles of 07-25N 178-45E
  3. HYDROPAC 1886/082008-09-26 → 2008-10-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 27-55-15N 144-57-48E,…
  4. HYDROPAC 1881/082008-09-26 → 2008-10-03
    Hazardous operations 0001Z to 0730Z daily 29 sep thru 03 oct within ten miles of 16-01N 146-04E
  5. HYDROPAC 1863/082008-09-23 → 2008-09-29
    Hazardous operations 2200Z to 0500Z commencing daily 28 sep thru 01 oct in area bound by 09-06N 167-35E,…
  6. NAVAREA XII 391/082008-09-22 → 2008-09-24
    Gunnery exercises 232300Z to 240200Z sep within 11 miles of 25-27N 159-11W
  7. HYDROPAC 1845/082008-09-20 → 2008-09-26
    Hazardous operations 2000Z to 1359Z commencing daily 21 thru 25 sep within ten miles of 16-01N 146-04E
  8. NAVAREA XII 386/082008-09-19 → 2008-09-28
    Hazardous operations 0415Z to 0827Z daily 24 thru 28 sep in areas bound by: a. 34-37N 120-47W, 34-39N…
  9. HYDROPAC 1827/082008-09-19 → 2008-09-28
    Hazardous operations 0415Z to 0827Z daily 24 thru 28 sep in area bound by 04-46S 137-20W, 16-07N 130-15W,…
  10. HYDROPAC 1823/082008-09-18 → 2008-09-23
    Hazardous operations 2200Z to 0500Z commencing daily 23 thru 26 sep in area bound by 09-06N 167-35E, 09-21N…
  11. HYDROPAC 1821/082008-09-18 → 2008-09-22
    Hazardous operations 2130Z to 2300Z daily 18 thru 21 sep within 216 miles of 31-55N 153-45E
  12. NAVAREA XII 383/082008-09-18 → 2008-09-24
    Hazardous operations 231530Z to 232330Z sep in area bound by 38-59N 124-05W, 38-22N 123-26W, 38-07N 123-15W,…
  13. NAVAREA XII 382/082008-09-17 → 2008-09-19
    Hazardous operations 181800Z to 190001Z sep within 12 miles of 43-30N 131-46W
  14. HYDROPAC 1791/082008-09-14 → 2008-09-14
    Hazardous operations 2200Z to 0500Z commencing daily 19 thru 21 sep in area bound by 09-06N 167-35E, 09-21N…
  15. HYDROPAC 1782/082008-09-12 → 2008-09-22
    Hazardous operations 2200Z to 1500Z commencing daily 14 thru 21 sep within ten miles of 16-01N 146-04E
  16. NAVAREA XII 373/082008-09-11 → 2008-09-18
    Hazardous operations 152330Z to 160500Z sep, alternate 172330Z to 180500Z and 192330Z to 200500Z sep in area…
  17. NAVAREA XII 359/082008-09-04 → 2008-09-06
    Hazardous operations 1850Z to 1852Z daily 06 thru 08 sep in areas bound by: a. 34-29N 120-40W, 34-31N…
  18. NAVAREA XII 349/082008-08-29 → 2008-09-04
    Hazardous operations 1850Z to 1852Z daily 04 thru 08 sep in areas bound by: a. 34-29N 120-40W, 34-31N…
  19. HYDROPAC 1660/082008-08-27 → 2008-09-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 27-55-15N 144-57-48E,…
  20. HYDROPAC 1615/082008-08-23 → 2008-08-30
    Hazardous operations 2200Z to 0100Z commencing daily 28 and 29 aug, 0300Z to 0600Z and 0800Z to 1100Z daily…
  21. NAVAREA XII 334/082008-08-20 → 2008-08-24
    Hazardous operations 1500Z to 2000Z daily 20 and 21 aug, and 222000Z to 232359Z aug in area bound by 32-50N…
  22. HYDROPAC 1570/082008-08-17 → 2008-08-23
    Hazardous operations 2200Z to 0100Z commencing daily 21 and 22 aug, 0300Z to 0600Z and 0800Z to 1100Z daily…
  23. HYDROPAC 1554/082008-08-14 → 2008-08-21
    Hazardous operations 2230Z to 2359Z daily 18 thru 20 aug within 216 miles of 24-00N 146-06E
  24. HYDROPAC 1526/082008-08-09 → 2008-08-13
    Hazardous operations 0701Z to 1528Z daily 13 thru 15 aug in areas bound by: a. 10-10.5N 168-36.9E, 09-41.1N…
  25. HYDROPAC 1525/082008-08-09 → 2008-08-13
    Hazardous operations 0801Z to 1401Z daily 13 thru 15 aug in area bound by 13-04N 173-34E, 14-03N 175-15E,…
  26. NAVAREA XII 316/082008-08-09 → 2008-08-13
    Hazardous operations 0801Z to 1401Z daily 13 thru 15 aug in areas bound by: a. 34-49N 121-01W, 34-50N…
  27. HYDROPAC 1490/082008-08-03 → 2008-08-09
    Hazardous operations 2300Z to 0800Z commencing daily 04 thru 08 aug within ten miles of 16-01N 146-04E
  28. HYDROPAC 1476/082008-08-01 → 2008-08-08
    Hazardous operations 2300Z to 0800Z commencing daily 03 thru 07 aug within ten miles of 16-01N 146-04E
  29. HYDROPAC 1470/082008-07-31 → 2008-08-03
    Hazardous operations 2200Z to 0500Z commencing daily 02 thru 05 aug in area bound by 09-06N 167-35E, 09-21N…
  30. HYDROPAC 1450/082008-07-29 → 2008-07-31
    Gunnery exercises 310700Z to 311000Z jul vicinity 48-20N 165-19E
  31. HYDROPAC 1439/082008-07-27 → 2008-08-01
    Hazardous operations 0001Z to 0800Z daily 28 jul thru 01 aug within ten miles of 16-01N 146-04E
  32. HYDROPAC 1438/082008-07-27 → 2008-08-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55-15N 144-57-48E,…
  33. HYDROPAC 1429/082008-07-27 → 2008-07-31
    Hazardous operations 012200Z to 020500Z aug, alternate 2200Z to 0500Z commencing daily 02 thru 05 aug in…
  34. HYDROPAC 1372/082008-07-20 → 2008-07-03
    Hazardous operations 2230Z to 0500Z commencing daily 25 jul thru 02 aug in area bound by 09-06N 167-35E,…
  35. HYDROPAC 1364/082008-07-18 → 2008-07-25
    Hazardous operations 2200Z to 0800Z commencing daily 20 thru 24 jul within ten miles of 16-01N 146-04E
  36. NAVAREA XII 276/082008-07-17 → 2008-07-22
    Gunnery/pyrotechnics exercises: a. 201800Z to 202200Z jul within seven miles of 54-43N 135-16W
  37. HYDROPAC 1319/082008-07-11 → 2008-07-17
    Hazardous operations 2200Z to 0800Z commencing daily 13 thru 17 jul within ten of miles 16-01N 146-04E
  38. NAVAREA XII 266/082008-07-09 → 2008-07-11
    Gunnery exercises 2100Z to 0100Z commencing daily 09 and 10 jul within five miles of 58-02.1N 137-03.7W
  39. NAVAREA XII 265/082008-07-07 → 2008-07-09
    Gunnery exercises 092100Z to 100100Z jul within five miles of 58-02.1N 137-03.7W
  40. HYDROPAC 1281/082008-07-06 → 2008-07-11
    Hazardous operations 2200Z to 0830Z commencing daily 06 jul thru 10 jul within ten of miles 16-01N 146-04E
  41. NAVAREA XII 257/082008-07-04 → 2008-07-21
    Hazardous operations 1730Z to 0500Z commencing daily 09 thru 20 jul in area bound by 22-00N 158-48W, 22-00N…
  42. NAVAREA XII 255/082008-07-01 → 2008-07-02
    Gunnery exercises 012300Z to 020200Z jul within 11 miles of 31-14N 156-21W
  43. HYDROPAC 1199/082008-06-26 → 2008-07-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55.15N 144-57.48E,…
  44. NAVAREA XII 235/082008-06-22 → 2008-06-26
    Hazardous operations 260030Z to 260500Z, alternate 0030Z to 0500Z daily 27 thru 29 jun in area bound by…
  45. HYDROPAC 1161/082008-06-20 → 2008-06-27
    Hazardous operations 0001Z to 0800Z daily 24 thru 27 jun within ten miles of 16-01N 146-04E
  46. NAVAREA XII 227/082008-06-16 → 2008-06-19
    Gunnery exercises 181600Z to 182359Z jun in vicinity 56-12N 139-05W
  47. NAVAREA XII 224/082008-06-15 → 2008-06-18
    Gunnery exercises 181200Z to 181300Z jun within five miles of 56-12N 139-05W
  48. NAVAREA XII 222/082008-06-15 → 2008-06-24
    Hazardous operations 0627Z to 0855Z daily 20 thru 24 jun in areas bound by: a. 34-31N 120-38W, 34-33N…
  49. NAVAREA XII 220/082008-06-14 → 2008-06-19
    Gunnery exercises 181600Z to 182359Z jun within five miles of 56-12N 139-05W
  50. HYDROPAC 1120/082008-06-14 → 2008-06-21
    Hazardous operations 2100Z to 1500Z commencing daily 14 thru 20 jun within ten miles of 16-01N 146-04E

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 75 · seahazards