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 586/232023-08-27 → 2023-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-55.00N 118-15.00W, 32-55.00N 118-25.00W,…Eastern North Pacific · California
- NAVAREA XII 585/232023-08-27 → 2023-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- HYDROPAC 2733/232023-08-25 → 2023-09-03Hazardous operations 0100Z to 1200Z daily 01 thru 03 sep in area within three miles of 16-01.07N 146-03.52EWestern North Pacific · Farallon de Medinilla
- NAVAREA XII 579/232023-08-25 → 2023-08-26Hazardous operations 251400Z to 252300Z aug in area bound by 33-23.81N 119-50.47W, 33-16.76N 120-08.35W,…Eastern North Pacific · California
- NAVAREA XII 577/232023-08-24 → 2023-09-01Hazardous operations 281830Z to 290100Z aug, alternate 1500Z to 0100Z daily 29 thru 31 aug in area within 22…Eastern North Pacific · California
- NAVAREA XII 576/232023-08-24 → 2023-09-01Hazardous operations 291500Z to 300100Z aug, alternate 1500Z to 0100Z daily 30 thru 31 aug in area within 20…Eastern North Pacific · California
- NAVAREA XII 573/232023-08-23 → 2023-08-25Hazardous operations 241400Z to 242300Z aug in area bound by 33-16.77N 120-08.35W, 32-53.75N 119-54.40W,…Eastern North Pacific · California
- HYDROPAC 2714/232023-08-23 → 2023-08-31Hazardous operations 2300Z to 1355Z daily 28 thru 30 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 571/232023-08-22 → 2023-08-25Hazardous operations 2200Z to 0530Z daily 27 thru 30 aug in areas bound by: a. 49-38.00N 172-42.00W,…North Pacific · Alaska
- NAVAREA XII 570/232023-08-21 → 2023-08-27Hazardous operations 261500Z to 270100Z aug in area within 20 miles of 33-47.00N 119-27.00WEastern North Pacific · California
- NAVAREA XII 569/232023-08-21 → 2023-08-27Hazardous operations 261500Z to 270100Z aug in area bound by 33-43.00N 119-19.00W, 33-52.00N 119-32.00W,…Eastern North Pacific · California
- NAVAREA XII 568/232023-08-21 → 2023-08-24Hazardous operations 221600Z to 230100Z aug, alternate 1600Z to 0100Z daily 23 thru 26 aug in area bound by…Eastern North Pacific · California
- HYDROPAC 2693/232023-08-21 → 2023-08-28Hazardous operations 211400Z to 281359Z aug in area within 12 miles of 16-01.06N 146-03.52EWestern North Pacific · Farallon de Medinilla
- NAVAREA XII 566/232023-08-20 → 2023-08-24Hazardous operations 1500Z to 0100Z daily 24 thru 26 aug in area bound by 33-13.00N 119-45.00W, 33-09.00N…Eastern North Pacific · California
- NAVAREA XII 563/232023-08-18 → 2023-08-21Hazardous operations 231700Z to 240100Z aug in area within 20 miles of 33-47.00N 119-27.00WEastern North Pacific · California
- NAVAREA XII 562/232023-08-18 → 2023-08-21Hazardous operations 231500Z to 240100Z aug, alternate 1500Z to 0100Z daily 24 thru 26 aug in area bound by…Eastern North Pacific · California
- NAVAREA XII 559/232023-08-18 → 2023-08-24Hazardous operations 232100Z to 232230Z aug, alternate 242100Z to 242230Z aug in area bound by 34-35.70N…Eastern North Pacific · California
- HYDROPAC 2664/232023-08-18 → 2023-09-01Farallon de medinillaPhilippine Sea · Western North Pacific
- NAVAREA XII 558/232023-08-18 → 2023-08-21Hazardous operations 231600Z to 240100Z aug, alternate 1600Z to 0100Z daily 24 thru 26 aug in area bound by…Eastern North Pacific · California
- NAVAREA XII 555/232023-08-17 → 2023-08-18Hazardous operations 2200Z to 0300Z daily 17 thru 24 aug in areas bound by: a. 47-40.00N 178-43.00W,…North Pacific
- NAVAREA XII 554/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug in area bound by 14-45.00N 093-00.00W, 14-40.00N 093-07.00W, 14-33.00N…Eastern North Pacific · Mexico
- NAVAREA XII 553/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug in area bound by 15-42.00N 095-33.00W, 15-37.00N 095-48.00W, 15-27.00N…Eastern North Pacific · Mexico
- NAVAREA XII 551/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug 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 550/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug 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 549/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug in area bound by 17-08.00N 102-30.00W, 17-08.00N 102-45.00W, 17-00.00N…Eastern North Pacific · Mexico
- NAVAREA XII 548/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug 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 544/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug in area bound by 24-28.70N 111-46.00W, 24-28.70N 111-48.00W, 24-27.40N…Eastern North Pacific · Mexico
- NAVAREA XII 543/232023-08-17 → 2023-08-26Hazardous operations 20 thru 25 aug in area bound by 31-10.00N 116-30.00W, 31-10.00N 116-40.00W, 31-00.00N…Eastern North Pacific · Mexico
- HYDROPAC 2647/232023-08-16 → 2023-09-02Gunnery exercises 2100Z to 0900Z daily 20, 24 and 30 aug, alternate 2100Z to 0900Z daily 21 thru 23, 25, 26,…Western North Pacific
- HYDROPAC 2643/232023-08-16 → 2023-08-24Hazardous operations 2300Z to 1355Z daily 21 thru 23 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 540/232023-08-15 → 2023-08-19Hazardous operations 182315Z to 190500Z aug in area bound by 33-25.22N 120-32.35W, 33-24.90N 120-15.00W,…Eastern North Pacific · California
- HYDROPAC 2631/232023-08-15 → 2023-08-21Hazardous operations 2000Z to 0800Z daily 20 thru 24 aug in area within 12 miles of 16-01.06N 146-03.52EWestern North Pacific · Farallon de Medinilla
- NAVAREA XII 536/232023-08-15 → 2023-08-19Hazardous operations 191400Z to 192100Z aug in areas bound by: a. 32-41.90N 121-37.73W, 32-51.43N…Eastern North Pacific · California
- NAVAREA XII 532/232023-08-14 → 2023-08-20Hazardous operations 191700Z to 192300Z aug in area bound by 33-48.57N 120-30.34W, 33-49.42N 119-32.14W,…Eastern North Pacific · California
- HYDROPAC 2602/232023-08-12 → 2023-08-18Hazardous operations 2300Z to 1355Z daily 14 thru 17 aug in areas within three miles of a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 2601/232023-08-12 → 2023-08-16Hazardous operations 152300Z to 160300Z aug in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- HYDROPAC 2600/232023-08-12 → 2023-08-12Hazardous operations 2300Z to 1355Z daily 14 thru 17 aug in areas within three miles of a. 13-26.00N…Philippine Sea · Western North Pacific · Northern Mariana Islands
- HYDROPAC 2599/232023-08-12 → 2023-08-16Hazardous operations 152300Z to 160300Z aug in area bound by 17-00.00N 145-05.00E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Northern Mariana Islands
- NAVAREA XII 522/232023-08-11 → 2023-08-18California 1. hazardous operations 171900Z to 180300Z aug in area bound by 33-42.20N 119-12.70W, 33-56.50N…Eastern North Pacific
- NAVAREA XII 517/232023-08-11 → 2023-08-17Hazardous operations 2200Z to 0300Z daily 16 thru 20 aug in areas bound by: a. 47-40.00N 178-43.00W,…North Pacific
- HYDROPAC 2591/232023-08-11 → 2023-08-16Hazardous operations 152300Z to 160300Z aug in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-41.98E,…Western North Pacific · Guam
- HYDROPAC 2590/232023-08-11 → 2023-08-16Farallon de medinillaWestern North Pacific
- HYDROPAC 2586/232023-08-11 → 2023-08-17Hazardous operations 2300Z to 1355Z daily 14 thru 16 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 515/232023-08-10 → 2023-08-11Hazardous operations 102315Z to 110500Z aug in area bound by 33-25.22N 120-32.35W, 33-24.90N 120-15.00W,…Eastern North Pacific
- NAVAREA XII 512/232023-08-09 → 2023-08-11California 1. hazardous operations 102315Z to 110500Z aug in area bound by 33-24.90N 120-15.00W, 33-25.22N…Eastern North Pacific
- NAVAREA XII 511/232023-08-09 → 2023-08-09California 1. hazardous operations 102315Z to 110500Z aug in area bound by 33-25.22N 120-32.35W, 33-24.90N…Eastern North Pacific
- NAVAREA XII 507/232023-08-08 → 2023-08-11Hazardous operations 121400Z to 122100Z aug in areas bound by: a. 32-41.90N 121-37.73W, 32-51.43N…Eastern North Pacific · California
- NAVAREA XII 493/232023-08-03 → 2023-08-18Hazardous operations 081600Z to 082200Z, 091600Z to 092359Z, 101700Z to 102100Z, 111600Z to 112300Z, 141600Z…Eastern North Pacific · California
- HYDROPAC 2513/232023-08-03 → 2023-08-08Hazardous operations 080001Z to 081300Z aug in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 491/232023-08-03 → 2023-08-08Hazardous operations 071700Z to 072300Z aug in area bound by 33-48.95N 120-30.57W, 33-49.70N 119-32.23W,…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.