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
- NAVAREA XI 380/26in force2026-08-22Hazardous operations are taking place in the Marianas area from 27 August 0200Z to 0600Z, with cancellation at 0700Z.North Pacific, Marianas
- NAVAREA XII 548/26in force2026-08-13Hazardous 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
- NAVAREA XII 552/26in force2026-08-12Hazardous operations are underway August 19 to 20 within two miles of 32-35.87N 117-10.87W.North Pacific · California
- HYDROPAC 2152/26in force2026-07-27Gunnery 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
- NAVAREA XI 342/26in force2026-07-27Gunnery 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
- NAVAREA XII 512/26in force2026-07-23Hazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.North Pacific · California
- NAVAREA XII 510/26in force2026-07-23Hazardous operations are underway off the coast of California from August 1 to September 1.North Pacific · California
- NAVAREA XII 511/26in force2026-07-23Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.North Pacific · California
Longest in force
- NAVAREA XII 511/26in force2026-07-23 · 30 dHazardous operations are occurring from August 1 to September 1 in the North Pacific off California.North Pacific · California
- NAVAREA XII 510/26in force2026-07-23 · 30 dHazardous operations are underway off the coast of California from August 1 to September 1.North Pacific · California
- NAVAREA XII 512/26in force2026-07-23 · 30 dHazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.North Pacific · California
- NAVAREA XI 342/26in force2026-07-27 · 26 dGunnery 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
- HYDROPAC 2152/26in force2026-07-27 · 26 dGunnery 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 month (all years)
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Other hazards in the North Pacific Ocean
Archive · 4,615 cancelled
- HYDROPAC 805/222022-03-27 → 2022-03-31Gunnery operations 2300Z to 1355Z daily 27 thru 30 mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 803/222022-03-27 → 2022-03-29Gunnery exercises 0001Z to 0600Z daily 28 and 29 mar in area bound by 14-09N 145-21E, 14-33N 146-12E, 14-33N…Western North Pacific · Guam
- HYDROPAC 782/222022-03-25 → 2022-03-27Hazardous operations 262100Z to 270800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 184/222022-03-24 → 2022-03-29Hazardous operations 291600Z to 292200Z mar, alternate 301600Z to 302200Z and 311600Z to 312200Z mar in…Eastern North Pacific · California
- NAVAREA XII 173/222022-03-18 → 2022-03-27Hazardous operations 23 thru 26 mar in area bound by 22-56.33N 109-20.00W, 22-57.31N 109-18.00W, 22-54.24N…Eastern North Pacific · Mexico
- NAVAREA XII 170/222022-03-18 → 2022-03-27Hazardous operations 23 thru 26 mar in area bound by 18-25N 104-50W, 18-15N 104-50W, 18-15N 104-30W, 18-25N…Eastern North Pacific · Mexico
- NAVAREA XII 169/222022-03-18 → 2022-03-27Hazardous operations 23 thru 26 mar in area bound by 16-28.7N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- NAVAREA XII 168/222022-03-18 → 2022-03-27Hazardous operations 23 thru 26 mar in area bound by 15-42.0N 095-33.0W, 15-37.0N 095-48.0W, 15-21.0N…Eastern North Pacific · Mexico
- NAVAREA XII 167/222022-03-18 → 2022-03-27Hazardous operations 23 thru 26 mar in area bound by 31-10N 116-40W, 31-00N 116-40W, 31-00N 116-30W, 31-10N…Eastern North Pacific · Mexico
- HYDROPAC 700/222022-03-17 → 2022-03-18Gunnery operations 180630Z to 181000Z mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 158/222022-03-16 → 2022-03-26Hazardous operations 211230Z to 212000Z mar, alternate 1230Z to 2000Z daily 23, 25 and 26 mar in area bound…Eastern North Pacific
- NAVAREA XII 157/222022-03-16 → 2022-03-26Hazardous operations 211230Z to 212000Z mar, alternate 1230Z to 2000Z daily 23, 25 and 26 mar in area bound…Eastern North Pacific
- NAVAREA XII 156/222022-03-16 → 2022-03-26Hazardous operations 211230Z to 212000Z mar, alternate 1230Z to 2000Z daily 23, 25 and 26 mar in area bound…Eastern North Pacific · California
- HYDROPAC 657/222022-03-11 → 2022-03-13Gunnery exercises 120200Z to 120800Z and 122100Z to 130800Z mar in area bound by 13-07.20N 144-34.65E,…Western North Pacific · Guam
- NAVAREA XII 147/222022-03-11 → 2022-03-19Hazardous operations 151400Z to 160300Z and 161400Z to 170300Z mar, alternate 171400Z to 180300Z and 181400Z…Eastern North Pacific · California
- NAVAREA XII 146/222022-03-11 → 2022-03-19Hazardous operations 151400Z to 160300Z and 161400Z to 170300Z mar, alternate 171400Z to 180300Z and 181400Z…Eastern North Pacific · California
- HYDROPAC 649/222022-03-10 → 2022-03-15Hazardous operations 101400Z to 151359Z mar in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- NAVAREA XII 140/222022-03-09 → 2022-03-10Hazardous operations 101500Z to 110100Z mar, alternate 111500Z to 120100Z mar in area bound by 33-31-26N…Eastern North Pacific · California
- HYDROPAC 635/222022-03-09 → 2022-03-10Gunnery exercises 092100Z to 100700Z mar in area bound by 13-07.20N 144-34.65E, 13-07.20N 144-40.85E,…Western North Pacific · Guam
- NAVAREA XII 136/222022-03-07 → 2022-03-09Hazardous operations 101500Z to 110100Z mar, alternate 111500Z to 120100Z mar in area bound by 33-31-26N…Eastern North Pacific · California
- HYDROPAC 549/222022-03-02 → 2022-03-04Gunnery operations 012300Z to 021355Z, 022300Z to 031355Z and 032300Z to 041355Z mar in areas within three…Western North Pacific · Philippine Sea · Guam
- HYDROPAC 541/222022-03-01 → 2022-03-02Hazardous operations 030700Z to 031434Z, alternate 040700Z to 041434Z mar in areas bound by: a. 09-15N…North Pacific · Marshall Islands
- NAVAREA XII 128/222022-03-01 → 2022-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 127/222022-03-01 → 2022-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 126/222022-03-01 → 2022-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- HYDROPAC 519/222022-02-28 → 2022-03-01Hazardous operations 281401Z feb to 011355Z mar in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N…Western North Pacific · Guam
- HYDROPAC 506/222022-02-26 → 2022-03-01Hazardous operations 030700Z to 031434Z mar, alternate 040700Z to 041434Z mar in area bound by 09-15N…North Pacific · Marshall Islands
- NAVAREA XII 124/222022-02-26 → 2022-03-02Hazardous operations: a. 0631Z to 1336Z daily 03 and 04 mar in area bound by 34-56N 121-22W, 34-56N 120-37W,…Eastern North Pacific · California
- HYDROPAC 503/222022-02-26 → 2022-03-01Hazardous operations 272300Z to 281355Z feb and 282300Z feb to 011355Z mar in areas within three miles of:…Western North Pacific · Philippine Sea · Guam
- NAVAREA XII 118/222022-02-22 → 2022-02-24Hazardous operations 241200Z to 242200Z feb in area bound by 02-01.72N 079-01.19W, 01-54.60N 079-01.20W,…Eastern North Pacific · Columbia
- NAVAREA XII 116/222022-02-21 → 2022-02-25Hazardous operations: a. 251450Z to 252010Z, 261428Z to 261948Z, 271407Z to 271930Z, 281345Z to 281908Z feb…Eastern North Pacific · California · Mexico
- NAVAREA XII 115/222022-02-21 → 2022-02-21Hazardous operations: a. 1450Z to 2010Z daily 25 and 26 feb in area bound by 34-40N 120-21W, 34-40N 120-39W,…Eastern North Pacific · California · Mexico
- NAVAREA XII 108/222022-02-19 → 2022-02-22Hazardous operations 240700Z to 241700Z feb in area bound by 02-01.72N 079-01.19W, 01-54.60N 079-01.20W,…Eastern North Pacific · Columbia
- NAVAREA XII 90/222022-02-11 → 2022-02-20Hazardous operations 16 thru 19 feb in area bound by 31-10N 116-40W, 31-00N 116-40W, 31-00N 116-30W, 31-10N…Eastern North Pacific · Mexico
- NAVAREA XII 89/222022-02-11 → 2022-02-20Hazardous operations 16 thru 19 feb in area bound by 22-56.33N 109-20W, 22-57.31N 109-18W, 22-54.24N…Eastern North Pacific · Mexico
- NAVAREA XII 86/222022-02-11 → 2022-02-20Hazardous operations 16 thru 19 feb in area bound by 17-00.0N 102-45.0W, 17-08.0N 102-45.0W, 17-08.0N…Eastern North Pacific · Mexico
- NAVAREA XII 84/222022-02-11 → 2022-02-19Hazardous operations 15 thru 18 feb in area bound by 21-04.0N 106-09.0W, 21-14.0N 106-09.0W, 21-14.0N…Eastern North Pacific · Mexico
- NAVAREA XII 81/222022-02-10 → 2022-02-17Hazardous operations 151330Z to 152000Z feb, alternate 171330Z to 172000Z feb in area bound by 31-16-21N…Eastern North Pacific
- NAVAREA XII 80/222022-02-10 → 2022-02-17Hazardous operations 151330Z to 152000Z feb, alternate 171330Z to 172000Z feb in area bound by 31-47-42N…Eastern North Pacific
- NAVAREA XII 79/222022-02-10 → 2022-02-17Hazardous operations 151330Z to 152000Z feb, alternate 171330Z to 172000Z feb in area bound by 32-58-58N…Eastern North Pacific · California
- NAVAREA XII 74/222022-02-07 → 2022-02-12Hazardous operations 101400Z to 110200Z feb, alternate 111400Z to 120200Z feb in areas within: a. 25 miles…Eastern North Pacific · California
- HYDROPAC 327/222022-02-07 → 2022-02-08Gunnery exercises 072300Z to 080700Z feb in area bound by 13-07.20N 144-34.65E, 13-07.20N 144-40.85E…Western North Pacific · Guam
- NAVAREA XII 68/222022-02-05 → 2022-02-11Hazardous operations 101430Z to 110130Z and 111430Z to 112100Z feb in area bound by 32-36N 118-20W, 32-12N…Eastern North Pacific · California
- HYDROPAC 316/222022-02-04 → 2022-02-17Hazardous operations 2300Z to 0800Z daily 08 to 16 feb in area within 25 miles of 31-14.2N 144-26.8EWestern North Pacific
- HYDROPAC 309/222022-02-04 → 2022-02-10Hazardous operations 062300Z to 071355Z, 072300Z to 081355Z, 082300Z to 091355Z and 092300Z to 101355Z feb…Western North Pacific · Philippine Sea · Guam
- HYDROPAC 251/222022-01-30 → 2022-02-03Hazardous operations 2300Z to 1355Z daily 30 jan thru 02 feb in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 48/222022-01-28 → 2022-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-55-00N 118-25-00W, 32-55-00N 118-15-00W,…Eastern North Pacific · California
- NAVAREA XII 47/222022-01-28 → 2022-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 46/222022-01-28 → 2022-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 45/222022-01-28 → 2022-02-03Hazardous operations: a. 1907Z to 2138Z daily 02 and 03 feb in area bound by 34-42N 120-41W, 34-41N 120-32W,…Eastern North Pacific · California
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.