Military exercises in the North Pacific Ocean

Gunnery, firing and naval exercise areas.

in force
8
last 12 months
17
vs previous 12 (30)
-43%
since 1993
4,623

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 · 8

  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. NAVAREA XII 548/26in force2026-08-13
    Hazardous operations occur off California in the North Pacific from August 18-19 and 20-21, with the notice valid until August 26.
    North Pacific · California
  3. NAVAREA XII 552/26in force2026-08-12
    Hazardous operations are underway August 19 to 20 within two miles of 32-35.87N 117-10.87W.
    North Pacific · California
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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 · 30 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 · 30 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 · 30 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 · 26 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 · 26 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 · 4,615 cancelled

  1. NAVAREA XII 330/222022-05-23 → 2022-05-27
    Hazardous operations 241300Z to 250230Z, 251300Z to 260230Z may, alternate 261300Z to 270230Z may in area…
    Eastern North Pacific · California
  2. NAVAREA XII 329/222022-05-23 → 2022-05-27
    Hazardous operations 251300Z to 260230Z may, alternate 261300Z to 270230Z may in area bound by 33-37.30N…
    Eastern North Pacific · California
  3. HYDROPAC 1438/222022-05-23 → 2022-05-24
    Gunnery exercises 232200Z to 232300Z may in area within five miles of 22-34.60N 166-16.10E
    Coral Sea · New Caledonia
  4. NAVAREA XII 320/222022-05-17 → 2022-05-22
    Hazardous operations 201400Z to 210200Z may, alternate 211400Z to 220200Z may in area within 31 miles of…
    Eastern North Pacific · California
  5. HYDROPAC 1358/222022-05-17 → 2022-05-19
    Gunnery exercises 2300Z to 1355Z daily 16 thru 18 may in area within three miles of: a. 13-26.00N 145-08.00E
    Philippine Sea · Western North Pacific · Guam
  6. HYDROPAC 1354/222022-05-16 → 2022-05-18
    Hazardous operations 172100Z to 180300Z may 22 in area within one mile of 18-30.20N 173-29.50W
    South Pacific · Tonga
  7. NAVAREA XII 314/222022-05-11 → 2022-05-17
    Hazardous operations 171400Z to 180200Z may, alternate 1400Z to 0200Z daily 18 thru 21 and 23 may in area…
    Eastern North Pacific · California
  8. HYDROPAC 1291/222022-05-11 → 2022-05-12
    Hazardous operations 112300Z to 121355Z may in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…
    Western North Pacific · Guam
  9. NAVAREA XII 312/222022-05-11 → 2022-05-14
    Hazardous operations 131600Z to 140001Z may in area bound by 33-00-21N 121-15-16W, 33-51-28N 119-57-04W,…
    Eastern North Pacific · California
  10. NAVAREA XII 311/222022-05-11 → 2022-05-11
    Hazardous operations 131600Z to 140000Z may in area bound by 33-00-21N 121-15-16W, 33-51-28N 119-57-04W,…
    Eastern North Pacific
  11. HYDROPAC 1285/222022-05-10 → 2022-05-21
    Gunnery exercises 2300Z to 0800Z daily 15 and 16 may, alternate 2300Z to 0800Z daily 14 and 17 thru 20 may…
    Western North Pacific
  12. NAVAREA XII 309/222022-05-09 → 2022-05-14
    Hazardous operations 122129Z to 130038Z may, alternate 132117Z to 140016Z, 142046Z to 142354Z, 152024Z to…
    Eastern North Pacific · California
  13. NAVAREA XII 305/222022-05-09 → 2022-05-14
    Hazardous operations 141600Z to 142300Z may, alternate 161600Z to 162300Z may in area bound by 33-21-20N…
    Eastern North Pacific · California
  14. NAVAREA XII 300/222022-05-06 → 2022-05-09
    Hazardous operations 102236Z to 110105Z may, alternate 112215Z to 120044Z, 122153Z to 13022Z, 132132Z to…
    Eastern North Pacific · California
  15. HYDROPAC 1203/222022-05-03 → 2022-05-07
    Gunnery exercises 080001Z to 080800Z may in area within ten miles of 29-55.00N 141-59.50E
    Philippine Sea · Western North Pacific
  16. HYDROPAC 1200/222022-05-03 → 2022-05-05
    Gunnery exercises 032300Z to 041355Z and 042300Z to 051355Z may in areas within three miles of: a. 13-26N…
    Philippine Sea · Western North Pacific · Guam · Northern Mariana Islands
  17. NAVAREA XII 283/222022-04-29 → 2022-05-04
    Hazardous operations 030400Z to 030800Z may, alternate 040400Z to 040800Z and 060530Z to 060900Z may in area…
    Eastern North Pacific · California
  18. NAVAREA XII 282/222022-04-29 → 2022-05-06
    Hazardous operations 041300Z to 050200Z may, alternate 051300Z to 060200Z may in area bound by 33-54N…
    Eastern North Pacific · California
  19. NAVAREA XII 280/222022-04-28 → 2022-05-03
    Hazardous operations 1000Z to 1500Z daily 03 thru 06 may in areas bound by: a. 28-42N 163-06W, 28-32N…
    North Pacific
  20. HYDROPAC 1148/222022-04-28 → 2022-05-04
    Hazardous operations 1000Z to 1500Z daily 03 thru 06 may in area bound by 09-09N 167-31E, 09-18N 167-34E,…
    North Pacific · Marshall Islands
  21. NAVAREA XII 278/222022-04-27 → 2022-06-01
    Hazardous operations 010800Z may to 010800Z jun in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…
    Eastern North Pacific · California
  22. NAVAREA XII 277/222022-04-26 → 2022-06-01
    Hazardous operations 010800Z may to 010800Z jun in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…
    Eastern North Pacific · California
  23. NAVAREA XII 276/222022-04-26 → 2022-06-01
    Hazardous operations 010800Z may to 010800Z jun in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
    Eastern North Pacific · California
  24. HYDROPAC 1126/222022-04-26 → 2022-04-28
    Hazardous operations 261400Z to 271355Z and 271400Z to 281355Z apr in area bound by 13-10N 144-30E, 13-10N…
    Western North Pacific · Guam
  25. NAVAREA XII 272/222022-04-26 → 2022-05-08
    Hazardous operations 301300Z to 302359Z apr, alternate 010001Z to 082200Z may in areas within one mile of:…
    Eastern North Pacific · California
  26. NAVAREA XII 261/222022-04-21 → 2022-04-26
    Hazardous operations 261645Z to 262100Z apr, alternate 1645Z to 2100Z daily 28 and 29 apr in area bound by…
    Eastern North Pacific · California
  27. HYDROPAC 1053/222022-04-17 → 2022-04-21
    Gunnery operations 2300Z to 1355Z daily 17 thru 20 apr in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  28. NAVAREA XII 240/222022-04-15 → 2022-04-22
    Hazardous operations 202130Z to 210130Z and 212130Z to 220130Z apr in area bound by 22-01N 159-47W, 21-45N…
    Eastern North Pacific · Hawaii
  29. NAVAREA XII 239/222022-04-15 → 2022-04-21
    Hazardous operations 201800Z to 210001Z apr, alternate 211800Z to 220001Z apr in area bound by 33-50-05N…
    Eastern North Pacific · California
  30. HYDROPAC 1032/222022-04-14 → 2022-04-18
    Gunnery exercises in progress until 181400Z apr in area bound by 52-54.0N 160-28.5E, 53-00.0N 161-06.6E,…
    North Pacific · Western North Pacific · Kamchatka
  31. NAVAREA XII 235/222022-04-13 → 2022-04-17
    Hazardous operations 151150Z to 151514Z apr, alternate 1150Z to 1514Z daily 16 thru 19 apr in areas bound…
    Eastern North Pacific · California
  32. NAVAREA XII 231/222022-04-10 → 2022-04-12
    Hazardous operations 151300Z to 160230Z apr, alternate 161300Z to 170230Z and 181300Z to 190230Z and 191300Z…
    Eastern North Pacific · California
  33. NAVAREA XII 230/222022-04-10 → 2022-04-20
    Hazardous operations 141300Z to 150230Z and 151300Z to 160230Z apr, alternate 161300Z to 170230Z and 181300Z…
    Eastern North Pacific · California
  34. NAVAREA XII 229/222022-04-10 → 2022-04-15
    Hazardous operations 151300Z to 160230Z and 161300Z to 170230Z apr, alternate 181300Z to 190230Z and 191300Z…
    Eastern North Pacific · California
  35. NAVAREA XII 228/222022-04-10 → 2022-04-15
    Hazardous operations 1150Z to 1514Z daily 15 and 16 apr in areas bound by: a. 34-41N 120-38W, 34-39N…
    Eastern North Pacific · California
  36. NAVAREA XII 225/222022-04-09 → 2022-04-16
    Hazardous operations 12 thru 15 apr in area bound by 21-04N 106-09W, 21-14N 106-09W, 21-14N 106-23W, 21-04N…
    Eastern North Pacific · Mexico
  37. HYDROPAC 943/222022-04-07 → 2022-04-08
    Gunnery exercises 072100Z to 080900Z apr in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…
    Western North Pacific · Guam
  38. HYDROPAC 930/222022-04-06 → 2022-04-07
    Gunnery exercises 062100Z to 070900Z apr in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…
    Western North Pacific · Guam
  39. HYDROPAC 922/222022-04-06 → 2022-04-06
    Gunnery exercises 062100Z to 070900Z apr in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…
    Western North Pacific · Guam
  40. HYDROPAC 892/222022-04-04 → 2022-04-07
    Hazardous operations 042300Z to 051355Z, 052300Z to 061355Z and 062300Z to 071355Z apr in area bound by…
    Western North Pacific · Guam
  41. HYDROPAC 882/222022-04-02 → 2022-04-07
    Gunnery operations 2300Z to 1355Z daily 03 thru 06 apr in areas within three miles of: a. 13-26N 145-08E
    Western North Pacific · Philippine Sea · Guam
  42. NAVAREA XII 205/222022-03-31 → 2022-05-01
    Hazardous operations 010800Z apr to 010800Z may in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…
    Eastern North Pacific · California
  43. NAVAREA XII 204/222022-03-31 → 2022-05-01
    Hazardous operations 010800Z apr to 010800Z may in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…
    Eastern North Pacific · California
  44. NAVAREA XII 203/222022-03-31 → 2022-05-01
    Hazardous operations 010800Z apr to 010800Z may in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
    Eastern North Pacific · California
  45. NAVAREA XII 200/222022-03-30 → 2022-04-01
    Hazardous operations: a. 030631Z to 031336Z apr, alternate 040631Z to 041336Z apr in area bound by 34-56N…
    Eastern North Pacific · California
  46. NAVAREA XII 198/222022-03-29 → 2022-04-01
    Hazardous operations 011600Z to 012200Z apr, alternate 021600Z to 022200Z apr in areas bound by: a. 33-19N…
    Eastern North Pacific · California
  47. HYDROPAC 835/222022-03-29 → 2022-04-01
    Hazardous operations 030700Z to 031434Z apr, alternate 040700Z to 041434Z apr in area bound by a. 09-15N…
    North Pacific · Marshall Islands
  48. NAVAREA XII 196/222022-03-29 → 2022-03-30
    Hazardous operations: a. 030631Z to 031336Z apr in area bound by 34-56N 121-22W, 34-56N 120-37W, 34-47N…
    Eastern North Pacific · California
  49. HYDROPAC 813/222022-03-28 → 2022-03-30
    Hazardous operations 280800Z to 280900Z, 282100Z to 290930Z and 300200Z to 300800Z mar in area bound by…
    Western North Pacific · Guam
  50. HYDROPAC 807/222022-03-27 → 2022-05-31
    Gunnery exercises 2300Z to 0900Z daily 31 mar thru 30 may in area bound by 28-15-15N 146-29-47E, 25-25-16N…
    Western North Pacific

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 16 · seahazards