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 · 33 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 · 33 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 · 33 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
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J
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O
N
D

Other hazards in the North Pacific Ocean

Archive · 4,620 cancelled

  1. NAVAREA XII 347/022002-12-11 → 2002-12-17
    Hazardous operations 1348Z to 1533Z daily 15 thru 17 dec in areas bound by: a. 34-26N 120-39W, 34-26N…
  2. HYDROPAC 2297/022002-12-06 → 2002-12-11
    Hazardous operations 0601Z to 1400Z daily 11 thru 13 dec in area bound by 08-51N 166-30E, 08-43N 167-43E,…
  3. HYDROPAC 2296/022002-12-06 → 2002-12-11
    Hazardous operations 0601Z to 1400Z daily 11 thru 13 dec in area bound by 12-00N 163-48E, 12-00N 162-00E,…
  4. NAVAREA XII 342/022002-12-06 → 2002-12-11
    Hazardous operations 0731Z to 1259Z daily 11 thru 13 dec in areas bound by: a. 34-51N 120-59W, 34-53N…
  5. NAVAREA XII 326/022002-11-18 → 2002-11-22
    Hazardous operations 220030Z to 220430Z nov, alternate 0030Z to 0430Z daily 23 thru 25 nov in area bound by…
  6. HYDROPAC 2092/022002-11-12 → 2002-11-22
    Hazardous operations 120001Z to 220200Z nov in area bound by 13-10N 144-45E, 11-00N 144-45E, 11-00N 143-00E,…
  7. HYDROPAC 1908/022002-10-12 → 2002-10-15
    Hazardous operations 0200Z to 1201Z daily 15 thru 17 oct in area bound by 08-51N 166-30E, 08-43N 167-43E,…
  8. HYDROPAC 1907/022002-10-12 → 2002-10-15
    Hazardous operations 0001Z to 0830Z daily 15 thru 17 oct in area bound by 12-00N 163-48E, 12-00N 162-00E,…
  9. NAVAREA XII 289/022002-10-12 → 2002-10-15
    Hazardous operations 0131Z to 0701Z daily 15 thru 17 oct in areas bound by: a. 34-51N 120-59W, 34-53N…
  10. HYDROPAC 1859/022002-10-05 → 2002-10-09
    Hazardous operations 090001Z to 090300Z oct in area bound by 08-51N 166-30E, 08-43N 167-43E, 07-51N 166-52E
  11. HYDROPAC 1688/022002-09-16 → 2002-09-20
    Hazardous operations 0101Z to 0701Z daily 20 thru 23 sep in areas bound by: a. 09-17N 167-22E, 09-23N…
  12. HYDROPAC 1687/022002-09-16 → 2002-09-20
    Hazardous operations 0031Z to 0801Z daily 20 thru 23 sep in area bound by 13-16N 173-31E, 13-38N 174-07E,…
  13. NAVAREA XII 264/022002-09-16 → 2002-09-20
    Hazardous operations 0031Z to 0801Z daily 20 thru 23 sep in areas bound by: a. 34-49N 121-01W, 34-50N…
  14. HYDROPAC 1622/022002-09-06 → 2002-09-10
    Hazardous operations 100822Z to 100923Z sep, alternate 0806Z to 0923Z daily 11 thru 30 sep in areas bound…
  15. HYDROPAC 1614/022002-09-05 → 2002-09-11
    Hazardous operations 092000Z to 100100Z sep and 0300Z to 0600Z daily 10 and 11 sep in area bound by 53-09.0N…
  16. HYDROPAC 1597/022002-09-02 → 2002-09-09
    Hazardous operations 1900Z to 2359Z daily 07 and 08 sep in area bound by 52-53N 159-14E, 52-55N 159-25E,…
  17. HYDROPAC 1580/022002-08-30 → 2002-09-06
    Hazardous operations 2130Z to 0330Z commencing daily 04 and 05 sep in area bound by 51-23N 161-07E, 52-26N…
  18. NAVAREA XII 241/022002-08-23 → 2002-08-29
    Hazardous operations 2000Z to 0215Z commencing daily 27 aug thru 28 sep in area bound by 06-30N 084-08W,…
  19. HYDROPAC 1522/022002-08-22 → 2002-08-23
    Hazardous operations 252330Z to 260430Z aug in area bound by 51-23.8N 161-10.1E, 52-27.1N 159-29.3E,…
  20. HYDROPAC 1520/022002-08-22 → 2002-08-23
    Hazardous operations 220500Z to 220700Z aug, alternate 230500Z to 230700Z aug within 216 miles of 24-23N…
  21. NAVAREA XII 238/022002-08-20 → 2002-08-20
    Hazardous operations 0231Z to 0701Z daily 25 thru 27 aug in areas bound by: a. 34-51N 120-59W, 34-53N…
  22. HYDROPAC 1504/022002-08-19 → 2002-08-26
    Hazardous operations 2330Z to 0530Z commencing daily 22 thru 25 aug in area bound by 51-24N 161-10E, 52-27N…
  23. NAVAREA XII 236/022002-08-17 → 2002-08-20
    Hazardous operations 0231Z to 0701Z daily 21 thru 23 aug in areas bound by: a. 34-51N 120-59W, 34-53N…
  24. HYDROPAC 1476/022002-08-15 → 2002-08-22
    Hazardous operations 2000Z to 0400Z commencing daily 19 thru 21 aug in area bound by 52-30N 158-54E, 52-45N…
  25. HYDROPAC 1460/022002-08-12 → 2002-08-17
    Hazardous operations 2000Z to 0400Z commencing daily 14 thru 16 aug in area bound by 52-30N 158-54E, 52-45N…
  26. HYDROPAC 1448/022002-08-11 → 2002-08-16
    Hazardous operations 160001Z to 160300Z aug in area bound by 08-51N 166-30E, 08-43N 167-43E, 07-51N 166-52E
  27. HYDROPAC 1418/022002-08-03 → 2002-08-09
    Hazardous operations 090001Z to 090245Z aug in area bound by 08-51N 166-30E, 08-43N 167-43E, 07-51N 166-52E
  28. HYDROPAC 1375/022002-07-27 → 2002-08-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55.3N 144-57.8E,…
  29. HYDROPAC 1296/022002-07-13 → 2002-07-17
    Hazardous operations 0701Z to 1601Z daily 17 thru 19 jul in area bound by 09-08N 167-07E, 09-23N 167-33E,…
  30. HYDROPAC 1295/022002-07-13 → 2002-07-17
    Hazardous operations 0731Z to 1501Z daily 17 thru 19 jul in area bound by 12-38N 173-05E, 12-57N 173-36E,…
  31. NAVAREA XII 212/022002-07-13 → 2002-07-17
    Hazardous operations 0731Z to 1501Z daily 17 thru 19 jul in areas bound by: a. 34-50N 120-56W, 34-52N…
  32. HYDROPAC 1259/022002-07-05 → 2002-07-13
    Hazardous operations 2300Z to 0300Z commencing daily 10 thru 12 jul within 30 miles of 48-30N 166-00E
  33. NAVAREA XII 199/022002-07-01 → 2002-07-06
    Hazardous operations 2000Z to 0319Z commencing daily 05 jul thru 05 aug in area bound by 06-45N 084-48W,…
  34. NAVAREA XII 192/022002-06-27 → 2002-07-05
    Hazardous operations 2000Z to 0400Z commencing daily 02 thru 04 jul in area bound by 22-05N 160-00W, 22-05N…
  35. HYDROPAC 1186/022002-06-25 → 2002-06-27
    Hazardous operations 0500Z to 0700Z daily 25 and 27 jun within 216 miles of 24-23N 161-46E
  36. NAVAREA XII 182/022002-06-20 → 2002-06-25
    Hazardous operations 1752Z to 1932Z daily 24 thru 26 jun in areas bound by: a. 34-25N 120-39W, 34-26N…
  37. NAVAREA XII 172/022002-06-09 → 2002-06-14
    Hazardous operations 140100Z to 140600Z jun, alternate 150100Z to 150600Z, 160100Z to 160600Z and 170100Z to…
  38. HYDROPAC 1038/022002-06-04 → 2002-06-07
    Hazardous operations 0701Z to 1601Z daily 07 thru 09 jun in areas bound by: a. 09-17N 167-22E, 09-23N…
  39. NAVAREA XII 158/022002-06-01 → 2002-06-07
    Hazardous operations 0731Z to 1501Z daily 07 thru 10 jun in areas bound by: a. 34-50N 121-02W, 34-52N…
  40. HYDROPAC 997/022002-05-29 → 2002-06-03
    Hazardous operations 0701Z to 1601Z daily 03 and 04 jun in areas bound by: a. 11-10N 167-35E, 11-21N…
  41. HYDROPAC 996/022002-05-29 → 2002-06-03
    Hazardous operations 030731Z to 031501Z jun in area bound by 12-13N 171-22E, 13-10N 172-53E, 12-45N 173-10E,…
  42. NAVAREA XII 153/022002-05-29 → 2002-06-03
    Hazardous operations 030731Z to 031501Z jun in areas bound by: a. 34-48N 120-59W, 34-49N 120-59W, 34-52N…
  43. HYDROPAC 985/022002-05-28 → 2002-05-29
    Hazardous operations 0731Z to 1501Z daily 02 thru 04 jun in area bound by 12-13N 171-22E, 13-10N 172-53E,…
  44. NAVAREA XII 151/022002-05-28 → 2002-05-29
    Hazardous operations 0731Z to 1501Z daily 02 thru 04 jun in areas bound by: a. 34-48N 120-59W, 34-49N…
  45. HYDROPAC 974/022002-05-27 → 2002-05-30
    Hazardous operations 1800Z to 0830Z commencing daily 29 and 30 may in area bound by 19-21N 166-55E, 16-36N…
  46. HYDROPAC 960/022002-05-24 → 2002-05-27
    Hazardous operations 1800Z to 0100Z commencing daily 28 and 29 may in area bound by 19-21N 166-55E, 16-36N…
  47. HYDROPAC 954/022002-05-23 → 2002-05-30
    Hazardous operations 1800Z to 0100Z commencing daily 27 thru 29 may in area bound by 19-21N 166-55E, 16-36N…
  48. HYDROPAC 948/022002-05-22 → 2002-05-23
    Hazardous operations 1800Z to 0100Z commencing daily 27 thru 29 may in area bound by 19-21N 166-55E, 16-36N…
  49. HYDROPAC 910/022002-05-16 → 2002-05-21
    Hazardous operations 1700Z to 0100Z commencing daily 20 thru 22 may in area bound by 19-21N 166-55E, 16-36N…
  50. HYDROPAC 906/022002-05-15 → 2002-05-16
    Hazardous operations 1700Z to 0100Z commencing daily 19 thru 22 may in area bound by 19-21N 166-55E, 16-36N…

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.