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 886/232023-12-27 → 2024-02-01Hazardous operations 010800Z jan thru 010800Z feb 24 in area bound by 32-52.42N 119-11.58W, 33-08.04N…Eastern North Pacific · California
- HYDROPAC 3902/232023-12-13 → 2023-12-21Hazardous operations 2300Z to 1355Z daily 18 thru 20 dec in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 850/232023-12-08 → 2023-12-16Hazardous operations 131630Z to 132359Z dec, alternate 1630Z to 2359Z daily 14 and 15 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 848/232023-12-07 → 2023-12-16Hazardous operations 121630Z to 122359Z dec, alternate 1630Z to 2359Z daily 13 thru 15 dec in areas bound…Eastern North Pacific · California
- NAVAREA XII 847/232023-12-07 → 2023-12-13Hazardous operations 111830Z to 112359Z dec, alternate 1630Z to 2359Z daily 12 thru 14 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 845/232023-12-07 → 2023-12-11Hazardous operations 11 thru 16 dec: a. 1400Z to 1805Z daily in area bound by 35-01.00N 121-13.00W,…Eastern North Pacific · California
- NAVAREA XII 842/232023-12-06 → 2023-12-12Hazardous operations 111600Z to 120100Z dec in area bound by 33-49.50N 119-07.97W, 33-58.90N 119-22.10W,…Eastern North Pacific · California
- HYDROPAC 3840/232023-12-06 → 2023-12-14Hazardous operations 2300Z to 1355Z daily 11 thru 13 dec in areas within five miles of a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 841/232023-12-06 → 2023-12-11Hazardous operations 1430Z to 1730Z daily 11 thru 16 dec in areas bound by: a. 24-40.00N 164-32.00W,…North Pacific
- NAVAREA XII 833/232023-11-30 → 2023-12-08Hazardous operations 051500Z to 052000Z dec, alternate 061900Z to 062359Z and 081500Z to 082000Z dec in area…Eastern North Pacific · California
- HYDROPAC 3775/232023-11-29 → 2023-12-07Hazardous operations 2300Z to 1355Z daily 04 thru 06 dec in areas within five miles of a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- HYDROPAC 3739/232023-11-26 → 2023-12-31Gunnery exercises 2300Z to 0900Z daily 30 nov thru 30 dec in area bound by 28-15.25N 146-29.78E, 25-25.27N…Western North Pacific
- NAVAREA XII 827/232023-11-26 → 2024-01-01California 1. hazardous operations 010800Z dec to 010800Z jan 24 in area bound by 32-35.00N 117-40.00W,…Eastern North Pacific
- NAVAREA XII 826/232023-11-26 → 2024-01-01California 1. hazardous operations 010800Z dec to 010800Z jan 24 in area bound by 32-58.88N 118-43.52W,…Eastern North Pacific
- NAVAREA XII 825/232023-11-26 → 2024-01-01Hazardous operations 010800Z dec to 010800Z jan 24 in area bound by 32-55.00N 118-15.00W, 32-55.00N…Eastern North Pacific · California
- NAVAREA XII 820/232023-11-24 → 2023-12-07Hazardous operations 291800Z to 292200Z nov, alternate 071800Z to 072200Z dec in area bound by 33-49.70N…Eastern North Pacific · California
- HYDROPAC 3688/232023-11-22 → 2023-11-30Hazardous operations 2300Z to 1355Z daily 27 thru 29 nov in areas within five miles of: a. 13-26.00N…Philippine Sea · Estern North Pacific · Guam
- NAVAREA IV 1339/232023-11-17 → 2023-11-25Hazardous operations 19 thru 24 nov in areas bound by: a. 31-10.00N 116-40.00W, 31-00.00N 116-40.00W,…Gulf of Mexico · Mexico
- NAVAREA XII 810/232023-11-15 → 2023-11-22Hazardous operations 201700Z to 210100Z nov, alternate 211600Z to 220100Z nov in area bound by 33-48.50N…Eastern North Pacific · California
- HYDROPAC 3600/232023-11-15 → 2023-11-21Hazardous operations 202300Z to 211355Z nov in areas within five miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 781/232023-11-04 → 2023-11-08Hazardous operations 081500Z to 090200Z nov, alternate 091500Z to 100200Z nov in areas within: a. 26 miles…Eastern North Pacific · California
- HYDROPAC 3457/232023-11-02 → 2023-11-09Hazardous operations 2300Z to 1355Z daily 06 thru 08 nov in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 769/232023-11-01 → 2023-11-02Gunnery exercises 021800Z to 022100Z nov in area within 13 miles of 57-45.68N 137-34.46WEastern North Pacific · Alaska
- NAVAREA XII 766/232023-11-01 → 2023-11-05Hazardous operations 1730Z to 0030Z daily 01 and 03 nov, alternate 1530Z to 0030Z daily 02 and 04 nov in…Eastern North Pacific · California
- NAVAREA XII 765/232023-10-31 → 2023-11-03Hazardous operations 031400Z to 031700Z nov in area bound by 33-49.46N 119-07.97W, 33-58.93N 119-22.07W,…Eastern North Pacific · California
- NAVAREA XII 763/232023-10-31 → 2023-11-02Gunnery exercises 012100Z to 020100Z and 021700Z to 022100Z nov in area within 11 miles of 56-55.25N…Eastern North Pacific · Alaska
- NAVAREA XII 760/232023-10-30 → 2023-11-07Hazardous operations 041200Z to 042030Z nov, alternate 1300Z to 2130Z daily 07 and 13 nov in areas bound by:…Eastern North Pacific · California
- NAVAREA XII 757/232023-10-28 → 2023-12-01Hazardous operations 010800Z nov to 010800Z dec in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 756/232023-10-28 → 2023-12-01California 1. hazardous operations 010800Z nov to 010800Z dec in area bound by 32-55.00N 118-25.00W,…Eastern North Pacific
- HYDROPAC 3403/232023-10-27 → 2023-11-30Gunnery exercises 2300Z to 0900Z daily 31 oct thru 29 nov in area bound by 28-15.25N 146-29.78E, 25-25.27N…Western North Pacific
- NAVAREA XII 753/232023-10-27 → 2023-12-01Hazardous operations 010800Z nov to 010800Z dec in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Eastern North Pacific · California
- NAVAREA XII 752/232023-10-27 → 2023-10-31Hazardous operations 1400Z to 1700Z daily 01 and 03 nov in area bound by 33-49.46N 119-07.97W, 33-58.93N…Eastern North Pacific · California
- HYDROPAC 3397/232023-10-27 → 2023-11-02Hazardous operations 010700Z to 011411Z nov, alternate 020700Z to 021411Z nov in areas bound by a. 09-53.00N…North Pacific · Marshall Islands
- HYDROPAC 3385/232023-10-26 → 2023-11-02Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…Eastern North Pacific · California
- NAVAREA XII 749/232023-10-26 → 2023-11-02Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…Eastern North Pacific · California
- HYDROPAC 3366/232023-10-24 → 2023-11-02Hazardous operations 2300Z to 1355Z daily 30 oct thru 01 nov in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 744/232023-10-23 → 2023-10-27Hazardous operations 252000Z to 252300Z and 271600Z to 272000Z oct in area bound by 34-39.78N 121-13.13W,…Eastern North Pacific · California
- NAVAREA XII 735/232023-10-20 → 2023-10-25Hazardous operations 251930Z to 260100Z oct, alternate 1930Z to 0100Z daily 26 thru 28 oct in area bound by…North Pacific · Hawaii
- HYDROPAC 3321/232023-10-19 → 2023-10-26Hazardous operations 2300Z to 1355Z daily 23 thru 25 oct in areas within three miles of: a. 13-26.0N 145-08.0EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 730/232023-10-19 → 2023-10-29Hazardous operations 241300Z to 250100Z oct, alternate 1300Z to 0100Z daily 26 and 28 oct in area bound by…Eastern North Pacific · California
- NAVAREA XII 729/232023-10-18 → 2023-10-28Hazardous operations 22 thru 27 oct in area bound by 14-40.00N 093-07.00W, 14-33.00N 092-57.00W, 14-38.00N…Eastern North Pacific · Mexico
- NAVAREA XII 728/232023-10-18 → 2023-10-28Hazardous operations 22 thru 27 oct in area bound by 17-00.00N 102-45.00W, 17-08.00N 102-45.00W, 17-08.00N…Eastern North Pacific · Mexico
- NAVAREA XII 727/232023-10-18 → 2023-10-28Hazardous operations 22 thru 27 oct in area bound by 22-02.00N 107-00.00W, 22-12.00N 107-00.00W, 22-12.00N…Eastern North Pacific · Mexico
- NAVAREA XII 726/232023-10-18 → 2023-10-28Hazardous operations 22 thru 27 oct in area bound by 31-10.0N 116-40.0W, 31-00.0N 116-40.0W, 31-00.0N…Eastern North Pacific · Mexico
- NAVAREA XII 719/232023-10-16 → 2023-10-20Hazardous operations, 191700Z to 200130Z oct in area within 20 miles of 33-03.00N 120-14.60WEastern North Pacific · California
- NAVAREA XII 718/232023-10-16 → 2023-10-16Hazardous operations, 191700Z to 200130Z oct in area within 20 miles of 33-02.00N 120-14.60WEastern North Pacific · California
- NAVAREA XII 713/232023-10-13 → 2023-10-21Hazardous operations 181500Z to 190100Z oct, alternate 201400Z to 210100Z oct in area bound by 33-52.22N…Eastern North Pacific · California
- HYDROPAC 3258/232023-10-12 → 2023-10-19Hazardous operations 2300Z to 1355Z daily 16 thru 18 oct in areas within: a. three miles of 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 3243/232023-10-11 → 2023-10-18Gunnery exercises 2100Z to 0900Z daily 15 and 16 oct, alternate 172100Z to 180900Z oct in area within 25…Western North Pacific
- NAVAREA XII 705/232023-10-07 → 2023-10-14Hazardous operations 111500Z to 120100Z oct, alternate 131400Z to 140100Z oct in area bound by 34-06.15N 119…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.