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
- HYDROPAC 923/232023-03-20 → 2023-03-23Hazardous operations 202300Z to 231355Z mar in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- HYDROPAC 922/232023-03-20 → 2023-03-21Hazardous operations 210300Z to 210500Z mar in area bound by 12-49.98N 145-00.00E, 12-49.98N 145-10.00E,…Western North Pacific · Guam
- HYDROPAC 921/232023-03-20 → 2023-03-21Hazardous operations 202300Z to 211100Z mar in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 134/232023-03-20 → 2023-03-23California 1. hazardous operations 1530Z to 2000Z daily 25 and 26 mar in area bound by 35-36.00N 123-19.00W,…Eastern North Pacific
- HYDROPAC 909/232023-03-19 → 2023-03-24Hazardous operations 2315Z to 0945Z daily 19 thru 24 mar in areas bound by: a. 16-09.28N 148-09.46E,…Philippine Sea · Western North Pacific · Northern Mariana Islands
- HYDROPAC 859/232023-03-15 → 2023-03-17Hazardous operations 152100Z to 160600Z and 162100Z to 170700Z mar in area bound by 13-10.00N 144-30.00E,…Western North Pacific · Guam
- NAVAREA XII 125/232023-03-14 → 2023-03-18Hazardous operations 1805Z to 0030Z daily 17 thru 20 mar in areas bound by: a. 34-40.0N 120-43.0W, 34-40.0N…Eastern North Pacific · California
- HYDROPAC 841/232023-03-13 → 2023-03-16Hazardous operations 2300Z to 1355Z daily 13 thru 15 mar in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 834/232023-03-12 → 2023-03-17Hazardous operations 2315Z to 0945Z daily 12 thru 16 mar in area bound by 17-00.00N 145-04.98E, 17-00.00N…Philippine Sea · Western North Pacific · Northern Mariana Islands
- NAVAREA XII 118/232023-03-11 → 2023-03-14Hazardous operations 1805Z to 0030Z daily 16 thru 20 mar in areas bound by: a. 34-40.00N 120-43.00W,…Eastern North Pacific · California
- NAVAREA XII 114/232023-03-09 → 2023-03-11Hazardous operations: a. 1818Z to 0042Z daily 15 thru 19 mar in area bound by 34-40.00N 120-43.00W,…Eastern North Pacific · California
- NAVAREA XII 110/232023-03-08 → 2023-03-13Hazardous operations 131400Z to 132100Z mar, alternate 1400Z to 2100Z daily 15 and 22 mar in area bound by…Eastern North Pacific
- NAVAREA XII 109/232023-03-08 → 2023-03-13Hazardous operations 131400Z to 132100Z mar, alternate 1400Z to 2100Z daily 15 and 22 mar in area bound by…Eastern North Pacific
- NAVAREA XII 108/232023-03-08 → 2023-03-13Hazardous operations 131400Z to 132100Z mar, alternate 1400Z to 2100Z daily 15 and 22 mar in area bound by…Eastern North Pacific · California
- NAVAREA XII 107/232023-03-08 → 2023-03-09Hazardous operations: a. 132330Z to 140109Z mar in area bound by 34-40.00N 120-43.00W, 34-40.00N 120-17.00W,…Eastern North Pacific · California
- NAVAREA XII 106/232023-03-08 → 2023-03-09Hazardous operations 1430Z to 2100Z daily 11 and 12 mar in area bound by 35-36.0N 123-19.0W, 35-48.0N…Eastern North Pacific · California
- HYDROPAC 766/232023-03-07 → 2023-03-08Hazardous operations 072300Z to 081355Z mar in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 741/232023-03-06 → 2023-03-09Hazardous operations 2300Z to 1355Z daily 06 thru 08 mar in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 737/232023-03-05 → 2023-03-07Hazardous operations 2200Z to 0800Z daily 05 and 06 mar in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 734/232023-03-05 → 2023-03-08Hazardous operations 0001Z to 0200Z daily 06 thru 08 mar in area bound by 12-50.00N 145-00.00E, 12-50.00N…Western North Pacific · Guam
- HYDROPAC 732/232023-03-05 → 2023-03-05Hazardous operations 1200Z to 0200Z daily 06 thru 08 mar in area bound by 12-50.00N 145-00.00E, 12-50.00N…Western North Pacific · Guam
- HYDROPAC 718/232023-03-03 → 2023-03-06Hazardous operations 2300Z to 1300Z daily 04 and 05 mar in area bound by 17-00.00N 145-05.00E, 17-00.00N…Philippine Sea · Western North Pacific · Mariana Islands
- NAVAREA XII 95/232023-03-01 → 2023-03-02Hazardous operations 021746Z to 030031Z mar, alternate 031746Z to 040031Z mar in areas bound by: a. 34-40.0N…Eastern North Pacific · California
- NAVAREA XII 94/232023-02-28 → 2023-03-10Hazardous operations 310530Z to 311100Z mar, alternate 010530Z to 011100Z and 020530Z to 021100Z apr in area…North Pacific · Hawaii
- HYDROPAC 657/232023-02-27 → 2023-03-04Hazardous operations 2000Z to 0600Z daily 26 feb to 03 mar and 032300Z to 041300Z mar, in areas bound by: a.…Philippine Sea · Western North Pacific · Northern Mariana Islands
- NAVAREA XII 90/232023-02-24 → 2023-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-55.00N 118-15.00W, 32-55.00N 118-25.00W,…Eastern North Pacific
- NAVAREA XII 89/232023-02-24 → 2023-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-35.00N 117-40.00W, 32-35.00N 118-16.00W,…Eastern North Pacific
- NAVAREA XII 88/232023-02-24 → 2023-04-01California 1. hazardous operations 010800Z mar to 010800Z apr in area bound by 32-58.88N 118-43.52W,…Eastern North Pacific
- NAVAREA XII 87/232023-02-24 → 2023-02-24California 1. hazardous operations 100800Z mar to 100800Z apr in area bound by 32-58.88N 118-43.52W,…Eastern North Pacific
- HYDROPAC 634/232023-02-24 → 2023-03-31Hazardous operations 2300Z to 0900Z daily 28 feb thru 30 mar in area bound by 28-15.25N 146-29.78E,…Western North Pacific
- NAVAREA XII 82/232023-02-23 → 2023-03-01Hazardous operations 271600Z to 272359Z feb, alternate 281600Z to 282359Z feb in area bound by 33-51.50N…Eastern North Pacific · California
- NAVAREA XII 81/232023-02-23 → 2023-02-25Hazardous operations 251700Z to 252100Z feb in area within 35 miles of 33-14.58N 119-55.03WEastern North Pacific · California
- NAVAREA XII 80/232023-02-22 → 2023-02-23Hazardous operations 251700Z to 252100Z feb in area within 35 miles of 33-14.47N 119-55.03WEastern North Pacific · California
- HYDROPAC 598/232023-02-22 → 2023-02-25Hazardous operations 230230Z to 231300Z and 2300Z to 1300Z daily 23 and 24 feb in area bound by 17-00.00N…Philippine Sea · Western North Pacific · Northern Mariana Islands
- HYDROPAC 594/232023-02-22 → 2023-02-25Hazardous operations 230230Z to 231300Z, 232300Z to 241300Z and 242300Z to 251300Z feb in areas bound by: a.…Philippine Sea · Western North Pacific · Farallon de Medinilla
- NAVAREA XII 79/232023-02-22 → 2023-03-01Hazardous operations: a. 1746Z to 0029Z daily 27 feb thru 04 mar in area bound by 34-40.0N 120-43.0W,…Eastern North Pacific · California
- HYDROPAC 572/232023-02-20 → 2023-02-23Hazardous operations 2300Z to 1355Z daily 21 thru 23 feb in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 78/232023-02-18 → 2023-02-22Hazardous operations 1700Z to 2100Z daily 23 and 25 feb in area within 35 miles of 33-14.58N 119-55.03WEastern North Pacific · California
- HYDROPAC 514/232023-02-15 → 2023-02-16Hazardous operations 160001Z to 160130Z feb in area within 12 miles of 16-01.07N 146-03.52EWestern North Pacific · Farallon de Medinilla
- NAVAREA XII 71/232023-02-15 → 2023-02-17Hazardous operations: a. 1716Z to 2022Z daily 17 thru 21 feb in area bound by 34-40.00N 120-43.00W,…Eastern North Pacific · California
- HYDROPAC 483/232023-02-13 → 2023-02-16Hazardous operations 132300Z to 161355Z feb in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 67/232023-02-11 → 2023-02-15Hazardous operations: a. 1744Z to 2050Z daily 15 thru 19 feb in area bound by 34-40.00N 120-43.00W,…Eastern North Pacific · California
- NAVAREA XII 63/232023-02-09 → 2023-02-14Hazardous operations 131600Z to 132359Z feb in area bound by 32-45-12N 121-29-27W, 32-56-13N 121-08-55W,…Eastern North Pacific · California
- NAVAREA XII 62/232023-02-09 → 2023-02-14Hazardous operations 131600Z to 132359Z feb in area bound by 33-44-24N 120-21-50W, 33-44-14N 119-15-36W,…Eastern North Pacific · California
- HYDROPAC 434/232023-02-08 → 2023-02-10Hazardous operations 090001Z to 090200Z, 090600Z to 090730Z and 100001Z to 100200Z feb in area within 12…Western North Pacific · Farallon de Medinilla
- NAVAREA XII 61/232023-02-07 → 2023-02-12Hazardous operations 111930Z to 120130Z in area bound by 33-16.80N 119-32.40W, 33-16.80N 119-36.00W,…Eastern North Pacific · California
- HYDROPAC 409/232023-02-06 → 2023-02-09Hazardous operations 062300Z to 091355Z feb in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 53/232023-02-05 → 2023-02-10California 1. hazardous operations: a. 0631Z to 1333Z daily 10 and 11 feb in area bound by 34-55.00N…Eastern North Pacific
- HYDROPAC 402/232023-02-05 → 2023-02-10Hazardous operations 100700Z to 101434Z feb, alternate 110700Z to 111434Z feb in areas bound by: a.…North Pacific · Micronesia
- NAVAREA XII 48/232023-02-02 → 2023-02-09Hazardous operations 081500Z to 081830Z feb, alternate 091500Z to 091830Z feb in area bound by 34-37.13N…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.