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 3158/232023-10-04 → 2023-10-12Hazardous operations 2300Z to 1355Z daily 09 thru 11 oct in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 3157/232023-10-04 → 2023-10-15Hazardous operations 2000Z to 0800Z daily 08 thru 14 oct in area within three miles of 16-01.06N 146-03.52EWestern North Pacific · Farallon de Medinilla
- HYDROPAC 3135/232023-10-02 → 2023-10-09Gunnery exercises 2300Z to 0800Z daily 06 thru 08 oct in area within 25 miles of 31-14.15N 144-26.80EWestern North Pacific
- HYDROPAC 3100/232023-09-29 → 2023-09-29Hazardous operations 030900Z to 031718Z oct, alternate 040900Z to 171718Z oct in areas bound by: a.…North Pacific · Marshall Islands
- HYDROPAC 3093/232023-09-28 → 2023-10-12Hazardous operations 030900Z to 031718Z oct, alternate 0900Z to 1718Z daily 04 thru 17 oct in areas bound…North Pacific · Marshall Islands
- NAVAREA XII 685/232023-09-27 → 2023-09-30Hazardous operations 281300Z to 281900Z sep, alternate 1300Z to 1900Z daily 29 and 30 sep in areas bound by…Eastern North Pacific · California
- HYDROPAC 3080/232023-09-27 → 2023-10-04Hazardous operations 032200Z to 040700Z oct in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 682/232023-09-26 → 2023-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 681/232023-09-26 → 2023-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 680/232023-09-26 → 2023-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Eastern North Pacific · California
- HYDROPAC 3074/232023-09-26 → 2023-10-31Gunnery exercises 2300Z to 0900Z daily 30 sep thru 30 oct in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 678/232023-09-25 → 2023-09-30Hazardous operations 281300Z to 281900Z sep, alternate 1300Z to 1900Z daily 29 and 30 sep in area bound by…Eastern North Pacific · California
- NAVAREA XII 677/232023-09-25 → 2023-09-29Hazardous operations 281900Z to 282300Z sep 23Eastern North Pacific · California
- NAVAREA XII 673/232023-09-24 → 2023-09-30Hazardous operations 251400Z to 300430Z sep in areas bound by: a. 32-27.00N 118-02.00W, 32-27.00N…Eastern North Pacific · California
- NAVAREA XII 667/232023-09-22 → 2023-09-30Gunnery exercise 24 thru 29 sep 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 666/232023-09-22 → 2023-09-30Gunnery exercise 24 thru 29 sep 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 665/232023-09-22 → 2023-09-30Gunnery exercise 240001Z to 300001Z sep in area bound by 16-20.70N 099-51.70W, 16-28.70N 100-11.00W,…Eastern North Pacific · Mexico
- NAVAREA XII 664/232023-09-22 → 2023-09-30Gunnery exercises 24 thru 29 sep 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 663/232023-09-22 → 2023-09-30Gunnery exercise 24 thru 29 sep in area bound by 18-25.0N 104-30.0W, 18-25.0N 104-50.0W, 18-15.0N 104-50.0W,…Eastern North Pacific · Mexico
- NAVAREA XII 659/232023-09-21 → 2023-09-30Hazardous operations 24 thru 29 sep 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 655/232023-09-21 → 2023-09-30Hazardous operations 24 thru 29 sep 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 654/232023-09-21 → 2023-09-30Hazardous operations 24 thru 29 sep in area bound by 31-10.00N 116-30.00W, 31-10.00N 116-40.00W, 31-00.00N…Eastern North Pacific · Mexico
- HYDROPAC 2996/232023-09-20 → 2023-09-29Hazardous operations 2300Z to 1355Z daily 25 thru 28 sep in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 2994/232023-09-20 → 2023-09-20Hazardous operations 2300Z to 1355Z daily 18 thru 20 sep in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 648/232023-09-19 → 2023-09-22Hazardous operations 191300Z to 200100Z sep, alternate 201300Z to 210100Z and 211300Z to 220100Z sep in…Eastern North Pacific · California
- HYDROPAC 2957/232023-09-15 → 2023-09-20Hazardous operations 200600Z to 201100Z sep in area bound by 12-50.00N 145-00.00E, 12-50.00N 145-10.00E,…Western North Pacific · Guam
- NAVAREA XII 635/232023-09-14 → 2023-09-15Hazardous operations: a. 150157Z to 150318Z sep, alternate 160157Z to 160318Z sep in area bound by 25-50.00N…Eastern North Pacific
- NAVAREA XII 634/232023-09-14 → 2023-09-14Hazardous operations: a. 150157Z to 150319Z sep, alternate 160157Z to 160319Z sep in areas bound by:…Eastern North Pacific
- HYDROPAC 2947/232023-09-14 → 2023-09-21Hazardous operations 2300Z to 1355Z daily 18 thru 20 sep in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 631/232023-09-14 → 2023-09-14Hazardous operations: a. 150157Z to 150319Z sep, alternate 160157Z to 160319Z sep in area bound by 25-50.00N…Eastern North Pacific
- NAVAREA XII 623/232023-09-08 → 2023-09-12Hazardous operations 121400Z to 122000Z sep in area bound by 34-57.53N 121-16.77W, 34-36.05N 121-06.20W,…Eastern North Pacific · California
- NAVAREA XII 622/232023-09-08 → 2023-09-15Hazardous operations 121500Z to 122000Z sep, alternate 1500Z to 2000Z daily 13 thru 15 sep in area within 20…Eastern North Pacific · California
- NAVAREA XII 619/232023-09-08 → 2023-09-20Hazardous operations 1900Z to 2359Z daily 13 and 14 sep, 1400Z to 2359Z daily 15 and 18 sep, alternate…Eastern North Pacific · California
- HYDROPAC 2869/232023-09-06 → 2023-09-10Hazardous operations 092200Z to 100600Z sep in area bound by 12-49.98N 145-00.00E, 12-49.98N 145-10.00E,…Western North Pacific · Guam
- HYDROPAC 2868/232023-09-06 → 2023-09-11Hazardous operations 130001Z to 130800Z and 132200Z to 140700Z sep in area bound by 13-10.00N 144-30.00E,…Western North Pacific · Guam
- HYDROPAC 2866/232023-09-06 → 2023-09-14Hazardous operations 2300Z to 1355Z daily 11 thru 13 sep in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 607/232023-09-03 → 2023-09-10Hazardous operations 081500Z to 090300Z sep, alternate 091500Z to 100300Z sep in area bound by 33-22.52N…Eastern North Pacific · California
- HYDROPAC 2826/232023-09-03 → 2023-09-05Hazardous operations 072200Z to 080700Z sep in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 601/232023-09-02 → 2023-09-09Hazardous operations 071500Z to 072300Z sep, alternate 081500Z to 082300Z sep in area bound by 33-59.89N…Eastern North Pacific · California
- HYDROPAC 2818/232023-09-01 → 2023-09-01Hazardous operations 0613Z to 1431Z daily 06 and 07 sep in area bound by 13-36.00N 174-20.00E, 13-16.00N…North Pacific
- NAVAREA XII 598/232023-09-01 → 2023-09-06Hazardous operations daily 06 and 07 sep: a. 0631Z to 1337Z in area bound by 34-38.00N 121-23.00W, 34-38.00N…Eastern North Pacific
- HYDROPAC 2814/232023-09-01 → 2023-09-06Hazardous operations 0631Z to 1431Z daily 06 and 07 sep in area bound by 13-17.00N 173-49.00E, 13-36.00N…North Pacific
- NAVAREA XII 596/232023-09-01 → 2023-09-06Hazardous operations 051730Z to 060100Z sep and 1300Z to 0100Z daily 06 thru 09 sep in area bound by…Eastern North Pacific · California
- HYDROPAC 2811/232023-09-01 → 2023-09-06Hazardous operations 060700Z to 061411Z sep, alternate 070700Z to 071411Z sep in areas bound by: a.…North Pacific · Marshall Islands
- NAVAREA XII 594/232023-08-31 → 2023-09-11Hazardous operations 2200Z to 0530Z daily 02 thru 10 sep in areas bound by: a. 52-14.00N 167-01.00W,…Eastern North Pacific · North Pacific · Alaska
- HYDROPAC 2791/232023-08-30 → 2023-08-31Hazardous operations 032000Z to 290800Z sep in area within three miles of 16-01.07N 146-04.52EWestern North Pacific · Farallon de Medinilla
- HYDROPAC 2788/232023-08-30 → 2023-09-07Hazardous operations 2300Z to 1355Z daily 04 thru 06 sep in areas within three miles of a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 589/232023-08-29 → 2023-08-31Hazardous operations 2200Z to 0530Z daily 31 aug thru 08 sep in areas bound by: a. 52-14.00N 167-01.00W,…Eastern North Pacific · North Pacific · Alaska
- NAVAREA XII 587/232023-08-27 → 2023-08-31Hazardous operations 2200Z to 0530Z daily 31 aug thru 08 sep in areas bound by: a. 49-38.00N 172-42.00W,…North Pacific · Alaska
- HYDROPAC 2753/232023-08-27 → 2023-09-30Gunnery exercises 2300Z to 0900Z daily 31 aug thru 29 sep in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
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.