Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 6
- last 12 months
- 18
- vs previous 12 (30)
- -40%
- since 1993
- 4,624
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
- 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
- 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 · 31 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 · 31 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 · 31 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 · 28 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 · 28 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 · 4,618 cancelled
- NAVAREA XII 575/192019-11-14 → 2019-11-20Hazardous operations 191930Z to 192330Z nov in area within ten miles of 33-09N 120-27WEastern North Pacific · California
- NAVAREA XII 573/192019-11-09 → 2019-11-15Hazardous operations 141500Z to 152300Z nov, alternate 151500Z to 152300Z nov in area bound by 33-40N…Eastern North Pacific · California
- NAVAREA XII 572/192019-11-08 → 2019-11-14Hazardous operations 132000Z to 132359Z nov in area within 15 miles of 34-35-10N 121-31-51WEastern North Pacific · California
- NAVAREA XII 567/192019-11-07 → 2019-11-14Hazardous operations 121600Z to 130130Z nov, alternate 131600Z to 140130Z nov in area bound by 33-48-15N…Eastern North Pacific · California
- NAVAREA XII 564/192019-11-06 → 2019-11-07Hazardous operations 071830Z to 072030Z nov in area within 15 miles of 34-35-10N 121-31-51WEastern North Pacific · California
- HYDROPAC 3653/192019-11-05 → 2019-11-06Hazardous operations 061100Z to 061355Z nov in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 559/192019-11-04 → 2019-11-08Hazardous operations 072100Z to 080100Z nov in area within 22 miles of 33-32N 119-56WEastern North Pacific · California
- NAVAREA XII 558/192019-11-04 → 2019-11-07Hazardous operations 052000Z to 060001Z nov in area within 15 miles of 33-09N 120-27WEastern North Pacific · California
- HYDROPAC 3643/192019-11-04 → 2019-11-05Hazardous operations 050200Z to 050800Z nov in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 3642/192019-11-04 → 2019-11-07Hazardous operations 0001Z to 0800Z daily 05 thru 07 nov in areas within 15 miles of: a. 15-50N 146-50EWestern North Pacific · Saipan
- HYDROPAC 3641/192019-11-04 → 2019-11-07Hazardous operations 0001Z to 0800Z daily 05 thru 07 nov in area within 15 miles of 12-06N 145-30EWestern North Pacific · Guam
- HYDROPAC 3628/192019-11-02 → 2019-11-04Hazardous operations 040001Z to 040800Z nov in area within 15 miles of 12-06N 145-30EWestern North Pacific · Guam
- HYDROPAC 3562/192019-10-29 → 2019-10-30Hazardous operations 292100Z to 300600Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 548/192019-10-28 → 2019-11-01Hazardous operations 311230Z oct to 010100Z nov in areas bound by A.33-48-21N 120-18-24W, 33-56-41N…Eastern North Pacific · California
- HYDROPAC 3533/192019-10-27 → 2019-11-30Gunnery exercises 2300Z to 0900Z commencing daily 31 oct to 29 nov in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 543/192019-10-25 → 2019-11-01Hazardous operations 302000Z to 302300Z and 312000Z to 312300Z oct in area within 15 miles of 34-34N 121-25WEastern North Pacific · California
- HYDROPAC 3514/192019-10-25 → 2019-10-26Hazardous operations 252300Z to 261200Z oct in areas within four miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea
- NAVAREA XII 535/192019-10-23 → 2019-11-03Hazardous operations 1300Z to 0100Z commencing daily 28 and 29 oct, alternate 1300Z to 0100Z commencing…Eastern North Pacific · California
- NAVAREA XII 534/192019-10-23 → 2019-10-27Hazardous operations 251300Z to 260100Z oct, alternate 261300Z to 270100Z oct in area bound by 33-14N…Eastern North Pacific · California
- NAVAREA XII 532/192019-10-23 → 2019-11-01Hazardous operations 28 thru 31 oct in area bound by 03-50N 077-40W, 03-50N 077-30W, 03-40N 077-30W, 03-40N…Eastern North Pacific · Colombia
- HYDROPAC 3485/192019-10-22 → 2019-10-23Hazardous operations 230600Z to 231355Z oct in areas within three miles of: a. 13-26N 145-08EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 528/192019-10-20 → 2019-10-24Hazardous operations 242000Z to 242300Z oct in area within 15 miles of 34-34N 121-25WEastern North Pacific · California
- NAVAREA XII 523/192019-10-17 → 2019-10-27Hazardous operations 221300Z to 230100Z oct alternate 231300Z to 240100Z, 241300Z to 250100Z, 251300Z to…Eastern North Pacific · California
- NAVAREA XII 522/192019-10-17 → 2019-10-23Hazardous operations 201300Z to 210100Z oct, alternate 1300Z to 0100Z commencing daily 20 thru 26 oct in…Eastern North Pacific · California
- NAVAREA XII 521/192019-10-17 → 2019-10-27Hazardous operations 211300Z to 220100Z oct, alternates 221300Z to 230100Z, 231300Z to 240100Z, 241300Z to…Eastern North Pacific · California
- NAVAREA XII 520/192019-10-17 → 2019-10-23Hazardous operations 221930Z to 222330Z oct in area within 15 miles of 34-35-10N 121-31-51WEastern North Pacific · California
- NAVAREA XII 517/192019-10-17 → 2019-10-17Hazardous operations 221900Z to 230100Z oct in area bound by 33-45N 119-25W, 33-35N 119-25W, 33-12N 119-40W,…Eastern North Pacific · California
- NAVAREA XII 516/192019-10-17 → 2019-10-17Hazardous operations 211300Z to 220100Z oct in area bound by 33-54N 119-27W, 33-45N 119-13W, 33-32N 119-13W,…Eastern North Pacific · California
- HYDROPAC 3398/192019-10-16 → 2019-10-17Hazardous operations 170700Z to 171355Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 515/192019-10-15 → 2019-10-19Hazardous operations 181930Z to 182330Z oct in area within 15 miles of 34-35-10N 121-31-51WEastern North Pacific · California
- NAVAREA XII 513/192019-10-15 → 2019-10-17Hazardous operations 201900Z to 210100Z oct in area bound by 33-14N 119-52W, 32-44N 120-07W, 33-03N 121-01W,…Eastern North Pacific · California
- HYDROPAC 3387/192019-10-15 → 2019-10-16Hazardous operations 160300Z to 161200Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3380/192019-10-14 → 2019-10-21Gunnery exercises 2100Z to 0900Z commencing daily 18 and 19 oct, alternate 202100Z to 210900Z oct in area…Western North Pacific
- HYDROPAC 3375/192019-10-14 → 2019-10-15Hazardous operations 150500Z to 151300Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 509/192019-10-12 → 2019-10-17Hazardous operations 171300Z to 180100Z oct in areas within 17 miles of 33-38N 119-40WEastern North Pacific · California
- NAVAREA XII 508/192019-10-11 → 2019-10-19Hazardous operations 061300Z to 170100Z, 181300Z to 190100Z and 191300Z to 200100Z oct in area bound by…Eastern North Pacific · California
- NAVAREA XII 505/192019-10-10 → 2019-10-15Hazardous operations 151330Z to 151900Z oct in areas bound by A.33-48-21N 120-18-24W, 33-56-41N 119-43-42W,…Eastern North Pacific · California
- NAVAREA XII 502/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…Eastern North Pacific · Mexico
- NAVAREA XII 501/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- NAVAREA XII 500/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 17-00N 102-45W, 17-08N 102-45W, 17-08N 102-30W, 17-00N…Eastern North Pacific · Mexico
- NAVAREA XII 499/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 21-04N 106-09W, 21-14N 106-09W, 21-14N 106-23W, 21-04N…Eastern North Pacific · Mexico
- NAVAREA XII 495/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 24-28.7N 111-48.0W, 24-28.7N 111-46.8W, 24-27.4N…Eastern North Pacific · Mexico
- NAVAREA XII 494/192019-10-09 → 2019-10-19Hazardous operations 14 thru 18 oct in area bound by 31-04N 116-30W, 31-04N 116-26W, 31-00N 116-26W, 31-00N…Eastern North Pacific · Mexico
- NAVAREA XII 490/192019-10-07 → 2019-10-10Hazardous operations 092100Z to 092330Z oct in area bound byEastern North Pacific · California
- HYDROPAC 3307/192019-10-07 → 2019-10-08Hazardous operations 080830Z to 081130Z oct in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 484/192019-10-04 → 2019-10-12Hazardous operations 1330Z to 0001Z commencing daily 08 and 09 oct, alternate 1330Z to 0001Z commencing…Eastern North Pacific · California
- HYDROPAC 3258/192019-10-02 → 2019-10-03Hazardous operations 022300Z to 030100Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3250/192019-10-01 → 2019-10-02Hazardous operations 020812Z to 021543Z oct, alternate 030834Z to 031605Z, 040700Z to 041630Z oct in areas…North Pacific · Marshall Islands
- NAVAREA XII 478/192019-09-30 → 2019-10-03Hazardous operations 051700Z to 052100Z oct in area bound by 33-34-39N 120-05-47W, 34-12-16N 121-06-38W,…Eastern North Pacific · California
- NAVAREA XII 473/192019-09-29 → 2019-10-05Hazardous operations 041330Z to 050230Z oct in areas bound by: a. 33-48-21N 120-18-24W, 33-56-41N…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.