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 · 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 911/222022-11-25 → 2022-12-01Hazardous operations 301700Z nov to 010030Z dec in area bound by 34-16-02N 122-48-07W, 34-12-43N 121-53-42W,…Eastern North Pacific · California
- NAVAREA XII 909/222022-11-24 → 2022-11-29Hazardous operations 291230Z to 292030Z nov, alternate 1230Z to 2030Z daily 30 nov and 01 dec in area bound…Eastern North Pacific
- NAVAREA XII 908/222022-11-24 → 2022-11-29Hazardous operations 291230Z to 292030Z nov, alternate 1230Z to 2030Z daily 30 nov and 01 dec in area bound…Eastern North Pacific · California
- NAVAREA XII 907/222022-11-24 → 2022-11-29Hazardous operations 291230Z to 292030Z nov, alternate 1230Z to 2030Z daily 30 nov and 01 dec in area bound…Eastern North Pacific
- HYDROPAC 3339/222022-11-23 → 2022-11-24Hazardous operations 232300Z to 241355Z nov in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 3309/222022-11-21 → 2022-11-22Hazardous operations 212300Z to 221355Z nov in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 3305/222022-11-20 → 2022-12-08Gunnery exercises 2300Z to 0900Z daily 23 and 24 nov, alternate 2300Z to 0900Z daily 25 nov to 07 dec in…Western North Pacific · Japan
- NAVAREA XII 881/222022-11-16 → 2022-11-17Hazardous operations 181930Z to 190045Z nov, alternate 1930Z to 0045Z daily 19 thru 22 nov in area bound by…Eastern North Pacific · Hawaii
- NAVAREA XII 880/222022-11-16 → 2022-11-16Hazardous operations 171930Z to 180045Z nov, alternate 1930Z to 0045Z daily 18 thru 21 nov in area bound by…Hawaii
- NAVAREA XII 879/222022-11-16 → 2022-11-17Hazardous operations 181930Z to 190045Z nov, alternate 1930Z to 0045Z daily 19 thru 21 nov in area bound by…North Pacific · Hawaii
- NAVAREA XII 877/222022-11-15 → 2022-11-21Hazardous operations 211700Z to 220030Z nov, alternate 221700Z to 230030Z nov in area bound by 34-02.20N…Eastern North Pacific · California
- NAVAREA XII 876/222022-11-15 → 2022-11-17Hazardous operations: a. 180348Z to 180656Z nov, alternate 190334Z to 190642Z, 200320Z to 200628Z, 210306Z…Eastern North Pacific · California
- NAVAREA XII 875/222022-11-14 → 2022-11-20Hazardous operations 16 thru 19 nov in area bound by 15-42.00N 095-33.00W, 15-37.00N 095-48.00W, 15-21.00N…Eastern North Pacific · Mexico
- NAVAREA XII 874/222022-11-14 → 2022-11-20Hazardous operations 16 thru 19 nov 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 873/222022-11-14 → 2022-11-201 hazardous operations 16 thru 19 nov 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 870/222022-11-14 → 2022-11-20Hazardous operations 16 thru 19 nov in area bound by 22-57.31N 109-18.00W, 22-56.33N 109-20.00W, 22-54.12N…Eastern North Pacific · Mexico
- NAVAREA XII 869/222022-11-14 → 2022-11-20Hazardous operations 16 thru 19 nov in area bound by 31-10.00N 116-30.00W, 31-10.00N 116-40.00W, 31-00.00N…Eastern North Pacific · Mexico
- NAVAREA XII 868/222022-11-14 → 2022-11-17Hazardous operations 181000Z to 182000Z nov, alternate 191000Z to 192000Z nov in area bound by 33-53.00N…Eastern North Pacific · California
- NAVAREA XII 867/222022-11-14 → 2022-11-20Hazardous operations 161800Z to 170200Z nov, alternate 1800Z to 0200Z daily 17 thru 19 nov in area bound by…Eastern North Pacific · California
- NAVAREA XII 866/222022-11-14 → 2022-11-20Hazardous operations 161800Z to 170200Z nov, alternate 1800Z to 0200Z daily 17 thru 19 nov in area bound by…Eastern North Pacific · California
- NAVAREA XII 865/222022-11-14 → 2022-11-16Hazardous operations 151700Z to 160200Z nov in area bound by 33-46.00N 119-27.00W, 33-42.00N 119-54.00W,…Eastern North Pacific · California
- HYDROPAC 3224/222022-11-14 → 2022-11-17Hazardous operations 2300Z to 1355Z daily 14 thru 16 nov in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 861/222022-11-12 → 2022-11-16Hazardous operations 0130Z to 0700Z daily 18 thru 20 nov in area bound by 22-08.0N 162-50.0W, 22-06.0N…Eastern North Pacific · North Pacific · Hawaii
- NAVAREA XII 860/222022-11-12 → 2022-11-17Hazardous operations 0130Z to 0700Z daily 15 thru 20 nov in area bound by 24-33.00N 164-50.00W, 25-43.00N…Eastern North Pacific · North Pacific · Hawaii
- NAVAREA XII 857/222022-11-12 → 2022-11-15Hazardous operations: a. 170242Z to 170710Z nov, alternate 180228Z to 180656Z, 190214Z to 190642Z, 200201Z…Eastern North Pacific · California
- NAVAREA XII 856/222022-11-12 → 2022-11-20Hazardous operations 180130Z to 180700Z nov, alternate 0130Z to 0700Z daily 19 and 20 nov in area bound by…North Pacific · Hawaii
- NAVAREA XII 853/222022-11-10 → 2022-11-11Hazardous operations 110130Z to 110700Z nov in area bound by 22-04.00N 159-46.00W, 22-04.00N 159-47.00W,…Eastern North Pacific · North Pacific · Hawaii
- HYDROPAC 3167/222022-11-09 → 2022-11-10Hazardous operations 092300Z to 101355Z nov in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 3156/222022-11-08 → 2022-11-09Hazardous operations 082300Z to 091355Z nov in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- NAVAREA XII 845/222022-11-08 → 2022-11-12Hazardous operations 150130Z to 150700Z nov, alternate 0130Z to 0700Z daily 16 thru 20 nov in area bound by…North Pacific · Hawaii
- NAVAREA XII 844/222022-11-07 → 2022-11-10Hazardous operations 100130Z to 100700Z nov in area bound by 22-04.00N 159-46.00W, 22-04.00N 159-47.00W,…North Pacific · Hawaii
- HYDROPAC 3141/222022-11-07 → 2022-11-08Hazardous operations 072300Z to 081355Z nov in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 3132/222022-11-06 → 2022-11-15Gunnery exercises 2200Z to 1000Z daily 10 and 13 nov, alternate 2200Z to 1000Z daily 11, 12 and 14 nov in…Western North Pacific
- NAVAREA XII 843/222022-11-06 → 2022-11-12Hazardous operations 110130Z nov to 110700Z nov, alternate 0130Z to 0700Z daily 13 and 15 thru 20 nov in…North Pacific · Hawaii
- NAVAREA XII 841/222022-11-05 → 2022-11-10Hazardous operations: a. 100855Z to 101034Z nov, alternate 0855Z to 1034Z daily 11 and 12 nov in area bound…Eastern North Pacific · California
- NAVAREA XII 840/222022-11-05 → 2022-11-07Hazardous operations 100130Z to 100700Z nov in area bound by 22-04.00N 159-46.00W, 22-04.00N 159-47.00W,…Eastern North Pacific · North Pacific · Hawaii
- NAVAREA XII 838/222022-11-05 → 2022-11-10Hazardous operations 101700Z to 110200Z nov in area bound by 33-10.00N 119-17.00W, 32-54.00N 119-27.00W,…Eastern North Pacific · California
- NAVAREA XII 836/222022-11-05 → 2022-11-10Hazardous operations 081700Z to 090100Z nov, alternate 091700Z to 100100Z nov in area bound by 33-46.00N…Eastern North Pacific · California
- NAVAREA XII 831/222022-11-03 → 2022-11-04Hazardous operations 041600Z to 050200Z in areas bound by: a. 33-46.00N 119-27.00W, 33-42.00N 119-54.00W,…Eastern North Pacific · California
- NAVAREA XII 827/222022-11-01 → 2022-11-05Hazardous operations 051200Z to 052100Z nov, alternate 1300Z to 2200Z daily 08 and 09 nov in area bound by…Eastern North Pacific
- NAVAREA XII 826/222022-11-01 → 2022-11-05Hazardous operations 051200Z to 052100Z nov, alternate 1300Z to 2200Z daily 08 and 09 nov in area bound by…Eastern North Pacific · California
- NAVAREA XII 825/222022-11-01 → 2022-11-05Hazardous operations 051200Z to 052100Z nov alternate 1300Z to 2200Z daily 08 and 09 nov in area bound by…Eastern North Pacific
- HYDROPAC 3059/222022-10-31 → 2022-11-03Gunnery exercises 2300Z to 1355Z daily 31 oct thru 02 nov in areas within three miles of: a. 13-26.00N…Philippine Sea · Guam
- NAVAREA XII 815/222022-10-29 → 2022-10-30Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…Eastern North Pacific · California
- NAVAREA XII 810/222022-10-27 → 2022-11-03Hazardous operations 1500Z to 0200Z daily 01 and 02 nov, alternate 1500Z to 0200Z daily 03 thru 05 nov in…Eastern North Pacific · California
- HYDROPAC 3016/222022-10-27 → 2022-11-30Gunnery exercises 2300Z to 0900Z daily 31 oct thru 29 nov in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 807/222022-10-27 → 2022-10-29Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…Eastern North Pacific · California
- NAVAREA XII 806/222022-10-27 → 2022-12-01Hazardous operations 010800Z nov to 010800Z dec in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- NAVAREA XII 805/222022-10-27 → 2022-12-01Hazardous operations 010800Z nov to 010800Z dec in area bound by 32-35.00N 117-40.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 804/222022-10-27 → 2022-12-01Hazardous operations 010800Z nov to 010800Z dec in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…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.