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 · 29 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 · 29 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 · 29 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
- NAVAREA XII 234/232023-04-23 → 2023-04-29Hazardous operations 23 thru 28 apr in area bound by 16-20.70N 099-51.70W, 16-28.70N 100-11.00W, 16-15.90N…Eastern North Pacific · Mexico
- NAVAREA XII 233/232023-04-23 → 2023-04-29Hazardous operations 23 thru 28 apr in area bound by 18-25.00N 104-30.00W, 18-25.00N 104-50.00W, 18-15.00N…Eastern North Pacific · Mexico
- NAVAREA XII 232/232023-04-23 → 2023-04-29Hazardous operations 23 thru 28 apr in area bound by 22-12.00N 107-00.00W, 22-12.00N 107-12.00W, 22-02.00N…Eastern North Pacific · Mexico
- NAVAREA XII 229/232023-04-22 → 2023-04-27Hazardous operations 271400Z to 272100Z apr in area bound by 33-06.00N 120-53.00W, 34-19.00N 121-51.00W,…Eastern North Pacific · California
- HYDROPAC 1330/232023-04-21 → 2023-04-25Gunnery exercises 260001Z to 260800Z apr in area within ten miles of 29-55.00N 141-59.50EPhilippine Sea · Western North Pacific
- NAVAREA XII 227/232023-04-21 → 2023-04-29Hazardous operations 1237Z to 1448Z daily 25 thru 29 apr in areas bound by: a. 33-41.00N 120-35.00W,…Eastern North Pacific · California
- NAVAREA XII 226/232023-04-21 → 2023-04-25Hazardous operations 252000Z to 252300Z apr, alternate 052000Z to 052300Z may in area within 33 miles of…Eastern North Pacific · California
- HYDROPAC 1300/232023-04-19 → 2023-04-27Hazardous operations 2300Z to 1355Z daily 24 thru 26 apr in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 218/232023-04-18 → 2023-04-26Hazardous operations 221300Z to 230200Z apr, alternate 241300Z to 250200Z and 251300Z to 260200Z apr in area…Eastern North Pacific · California
- HYDROPAC 1262/232023-04-16 → 2023-04-22Hazardous operations 2200Z to 1000Z daily 17 thru 21 apr in areas bound by: a. 46-05.00N 148-45.00E,…Sea of Okhotsk · Western North Pacific · Kuril Islands
- NAVAREA XII 216/232023-04-15 → 2023-04-16Hazardous operations 171100Z to 171900Z apr, alternate 1300Z to 1900Z daily 18 thru 21 apr in area bound by…Eastern North Pacific
- HYDROPAC 1233/232023-04-14 → 2023-04-20Hazardous operations 190700Z to 191427Z apr, alternate 200700Z to 201427Z apr in areas bound by: a.…North Pacific · Marshall Islands
- NAVAREA XII 206/232023-04-12 → 2023-04-16Hazardous operations 152100Z to 160001Z apr in area bound by 33-45.00N 122-31.00W, 34-52.00N 123-03.00W,…Eastern North Pacific · California
- NAVAREA XII 205/232023-04-12 → 2023-04-18Hazardous operations 171430Z to 172330Z apr, alternate 1430Z to 2330Z daily 18 thru 21 apr in area within 33…Eastern North Pacific · California
- HYDROPAC 1201/232023-04-12 → 2023-04-20Hazardous operations 2300Z to 1355Z daily 17 thru 19 apr in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 197/232023-04-08 → 2023-04-12California 1. hazardous operations 122100Z to 130001Z apr, alternate 152100Z to 160001Z apr in area bound by…Eastern North Pacific
- HYDROPAC 1164/232023-04-07 → 2023-04-14Hazardous operations 112100Z to 120900Z apr, alternate 2100Z to 0900Z daily 12 and 13 apr in area within…Western North Pacific
- HYDROPAC 1163/232023-04-07 → 2023-04-07Gunnery exercises 112100Z to 120900Z apr, alternate 2100Z to 0900Z daily 12 and 13 apr in area within 25…Western North Pacific
- NAVAREA XII 193/232023-04-07 → 2023-04-12Hazardous operations 1500Z to 2300Z daily 11 and 12 apr in area bound by 33-51.30N 119-57.03W, 33-21.23N…Eastern North Pacific · California
- NAVAREA XII 188/232023-04-06 → 2023-04-07California 1. hazardous operations 110500Z to 112300Z and 121500Z to 122300Z apr 23 in area bound by…Eastern North Pacific
- HYDROPAC 1137/232023-04-05 → 2023-04-14Hazardous operations 2200Z to 0600Z daily 09 thru 13 apr in area bound by 12-20.00N 147-30.00E, 12-20.00N…Western North Pacific · Guam
- HYDROPAC 1136/232023-04-05 → 2023-04-11Hazardous operations 2200Z to 0100Z daily 09 and 10 apr in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- NAVAREA XII 182/232023-04-03 → 2023-04-05Hazardous operations 051845Z to 052359Z apr, alternate 061845Z to 062359Z apr in areas bound by: a.…Eastern North Pacific · California
- NAVAREA XII 175/232023-04-01 → 2023-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 173/232023-03-31 → 2023-04-02Hazardous operations: a. 021359Z to 021606Z apr, alternate 1359Z to 1606Z 03 thru 05 apr in area bound by…Eastern North Pacific · California
- NAVAREA XII 171/232023-03-31 → 2023-03-31Hazardous operations 031359Z to 031608Z apr, alternate 041359Z to 041608Z apr in areas bound by: a.…Eastern North Pacific · California
- NAVAREA XII 169/232023-03-31 → 2023-03-31Hazardous operations 311359Z to 311608Z mar, alternate 031359Z to 031608Z apr in areas bound by: a. 34-42.0N…Eastern North Pacific · California
- NAVAREA XII 166/232023-03-30 → 2023-04-03Hazardous operations 1845Z to 2359Z daily 03 thru 07 and 10 apr in areas bound by: a. 34-37.00N 121-24.00W,…Eastern North Pacific · California
- HYDROPAC 1063/232023-03-29 → 2023-04-03Hazardous operations 022300Z to 030500Z apr in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- HYDROPAC 1061/232023-03-29 → 2023-04-06Hazardous operations 2300Z to 1455Z daily 02 thru 05 apr in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 164/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 14-45.00N 093-00.00W, 14-40.00N 093-07.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 163/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 15-42.00N 095-33.00W, 15-37.00N 095-48.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 161/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 16-20.70N 099-51.70W, 16-28.70N 100-11.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 160/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 17-08.00N 102-30.00W, 17-08.00N 102-45.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 159/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 18-25.00N 104-30.00W, 18-25.00N 104-50.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 158/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 22-12.00N 107-00.00W, 22-12.00N 107-12.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 154/232023-03-27 → 2023-04-01Hazardous operations in progress until 31 mar in area bound by 31-10.00N 116-30.00W, 31-10.00N 116-40.00W,…Eastern North Pacific · Mexico
- HYDROPAC 1037/232023-03-27 → 2023-04-30Gunnery exercises 2300Z to 0900Z daily 31 mar thru 29 apr in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 153/232023-03-27 → 2023-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Eastern North Pacific · California
- NAVAREA XII 152/232023-03-27 → 2023-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-55.00N 118-15.00W, 32-55.00N 118-25.00W,…Eastern North Pacific · California
- NAVAREA XII 151/232023-03-27 → 2023-04-02Hazardous operations: a. 011300Z to 012200Z and 021200Z to 021800Z apr in area bound by 33-08.00N…Eastern North Pacific · California
- NAVAREA XII 150/232023-03-26 → 2023-04-01California 1. hazardous operations 011530Z to 012000Z apr, alternate 021530Z to 022000Z apr in area bound by…Eastern North Pacific
- NAVAREA XII 149/232023-03-25 → 2023-03-31Hazardous operations: a. 1359Z to 1606Z daily 30 mar thru 05 apr except saturday and sunday in area bound by…Eastern North Pacific · California
- NAVAREA XII 145/232023-03-24 → 2023-03-31Hazardous operations 310530Z to 311100Z mar, alternate 0530Z to 1100Z daily 01 and 02 apr in area bound by…North Pacific · Hawaii
- HYDROPAC 978/232023-03-23 → 2023-03-31Hazardous operations 262315Z to 310945Z mar in area bound by 17-00.00N 145-04.98E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Farallon de Medinilla
- HYDROPAC 977/232023-03-23 → 2023-03-24Hazardous operations 261400Z to 301359Z mar in area bound by 12-20.00N 147-30.00E, 12-20.00N 145-50.00E,…Western North Pacific · Guam
- HYDROPAC 976/232023-03-23 → 2023-03-30Hazardous operations 272300Z to 301355Z mar in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- HYDROPAC 975/232023-03-23 → 2023-03-29Hazardous operations 282200Z to 291200Z mar in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 139/232023-03-23 → 2023-03-26California 1. hazardous operations 1530Z to 2000Z daily 26 mar, 01 and 02 apr in area bound by 36-09.00N…Eastern North Pacific
- HYDROPAC 948/232023-03-21 → 2023-03-22Hazardous operations 222200Z to 230400Z mar, alternate 2200Z to 0400Z daily 23 thru 28 mar in areas bound…North Pacific · Marshall Islands
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.