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 2506/232023-08-02 → 2023-08-07Gunnery exercises 062100Z to 070900Z aug in area within 25 miles of 31-14.23N 144-26.80EWestern North Pacific
- HYDROPAC 2501/232023-08-02 → 2023-08-10Hazardous operations 2300Z to 1355Z daily 07 thru 09 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 487/232023-08-02 → 2023-08-03Hazardous 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
- HYDROPAC 2491/232023-08-01 → 2023-08-02Hazardous operations 020700Z to 021130Z aug in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- NAVAREA XII 483/232023-07-31 → 2023-08-06Hazardous operations 051500Z to 052300Z aug in areas bound by a. 33-18.30N 119-26.53W, 33-15.72N 119-28.67W,…Eastern North Pacific · California
- NAVAREA XII 482/232023-07-31 → 2023-08-03Hazardous operations 041400Z to 042100Z aug, alternate 1400Z to 2100Z daily 05 and 12 aug in areas bound by…Eastern North Pacific · California
- HYDROPAC 2485/232023-07-31 → 2023-08-01Hazardous operations 2300Z to 1355Z daily 31 jul thru 02 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 2477/232023-07-30 → 2023-08-06Gunnery exercises 032100Z to 040900Z aug, alternate 2100Z to 0900Z daily 04 and 05 aug in area within 25…Western North Pacific
- HYDROPAC 2475/232023-07-30 → 2023-07-30Gunnery exercises 032100Z to 040900Z aug, alternate 2100Z to 0900Z daily 04 and 05 aug in area within 25…Western North Pacific
- NAVAREA XII 478/232023-07-28 → 2023-08-04Hazardous operations 021530Z to 021930Z and 031730Z thru 032330Z aug in area bound by 34-39.47N 121-13.08W,…Eastern North Pacific · California
- NAVAREA XII 474/232023-07-28 → 2023-09-01Hazardous operations 010800Z aug to 010800Z sep in areas bound by: a. 32-33.00N 118-25.00W, 32-35.00N…Eastern North Pacific · California
- NAVAREA XII 473/232023-07-27 → 2023-08-02California 1. hazardous operations 011700Z to 020100Z alternate 021700Z to 030100Z aug in area within 15…Eastern North Pacific
- HYDROPAC 2449/232023-07-27 → 2023-08-31Gunnery exercises 2300Z to 0900Z daily 31 jul to 30 aug in area bound by 28-15.25N 146-29.78E, 25-25.27N…Western North Pacific
- HYDROPAC 2446/232023-07-27 → 2023-08-03Hazardous operations 2300Z to 1355Z daily 31 jul thru 02 aug in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 469/232023-07-27 → 2023-07-29Hazardous operations 281700Z to 290200Z jul in area within 15 miles of 33-39.00N 119-37.00WEastern North Pacific · California
- NAVAREA XII 460/232023-07-22 → 2023-07-27Hazardous operations 271600Z to 280100Z jul, alternate 1600Z to 0100Z daily 28 and 29 jul in area bound by…Eastern North Pacific · California
- NAVAREA XII 455/232023-07-21 → 2023-07-24Hazardous operations 241600Z to 250100Z jul, alternate 1600Z to 0100Z daily 27 thru 29 jul in areas bound…Eastern North Pacific · California
- NAVAREA XII 454/232023-07-21 → 2023-07-26Hazardous operations 260800Z to 261800Z jul in area bound by 33-25.99N 119-49.01W, 33-28.03N 119-48.30W,…Eastern North Pacific · California
- HYDROPAC 2373/232023-07-20 → 2023-07-25Hazardous operations 242200Z to 250700Z jul in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- HYDROPAC 2372/232023-07-20 → 2023-07-27Hazardous operations 2300Z to 1355Z daily 25 and 26 jul in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 2370/232023-07-20 → 2023-07-25Hazardous operations 242300Z to 251355Z jul in area within three miles of 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 2323/232023-07-15 → 2023-07-16Hazardous operations 152000Z to 160800Z jul in area bound by 17-00.00N 145-04.98E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Mariana Islands
- HYDROPAC 2319/232023-07-15 → 2023-07-15Hazardous operations 152000Z to 160800Z jul in area bound by 17-00.00N 145-04.98E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Mariana Islands
- HYDROPAC 2312/232023-07-15 → 2023-07-15Hazardous operations 152000Z to 160800Z jul in areas bound by: a. 17-00.00N 145-05.00E, 17-00.00N…Philippine Sea · Western North Pacific · Mariana Islands
- NAVAREA XII 439/232023-07-14 → 2023-07-20Hazardous operations 1900Z to 0001Z daily 19 thru 22 jul in area bound by 33-09.25N 119-05.47W, 32-45.95N…Eastern North Pacific · California
- HYDROPAC 2285/232023-07-12 → 2023-07-20Hazardous operations 2300Z to 1355Z daily 17 thru 19 jul in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 428/232023-07-05 → 2023-07-10Hazardous operations 101500Z to 110100Z jul, alternate 111500Z to 120100Z jul in area within 17 miles of…Eastern North Pacific · California
- HYDROPAC 2192/232023-07-05 → 2023-07-13Hazardous operations 2300Z to 1355Z daily 10 thru 12 jul in area within three miles of 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 2191/232023-07-05 → 2023-07-11Hazardous operations 102000Z to 110800Z jul in area bound by 17-00.00N 145-04.98E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Farallon de Medinilla
- HYDROPAC 2165/232023-07-03 → 2023-07-08Hazardous operations 080300Z to 080900Z jul in area bound by 17-00.00N 145-04.98E, 17-00.00N 147-00.00E,…Philippine Sea · Western North Pacific · Farallon de Medinilla
- HYDROPAC 2144/232023-07-01 → 2023-07-08Hazardous operations 052000Z to 060300Z, 062000Z to 070900Z and 072100Z to 080300Z jul in area bound by…Western North Pacific · Farallon de Medinilla
- HYDROPAC 2137/232023-06-30 → 2023-07-07Hazardous operations 2300Z to 1355Z daily 04 thru 06 jul in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 2116/232023-06-28 → 2023-07-03Hazardous operations 022000Z to 030900Z jul in area bound by 12-49.98N 145-00.00E, 12-49.98N 145-10.00E,…Western North Pacific · Guam
- NAVAREA XII 403/232023-06-27 → 2023-08-01Hazardous operations 010800Z jul to 010800Z aug in areas bound by: a. 32-33.00N 118-25.00W, 32-35.00N…Eastern North Pacific · California
- HYDROPAC 2094/232023-06-26 → 2023-07-31Gunnery exercises 2300Z to 0900Z daily 30 jun thru 30 jul in area bound by 28-15.25N 146-29.78E, 25-25.27N…Western North Pacific
- NAVAREA XII 398/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun 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 397/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun 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 396/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun in area bound by 16-28.70N 100-11.00W, 16-20.70N 099-51.70W, 16-06.90N…Eastern North Pacific · Mexico
- NAVAREA XII 395/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun 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 394/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun 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 390/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun 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 389/232023-06-24 → 2023-07-01Hazardous operations 25 thru 30 jun in area bound by 31-10.00N 116-40.00W, 31-00.00N 116-40.00W, 31-00.00N…Eastern North Pacific · Mexico
- NAVAREA XII 383/232023-06-23 → 2023-06-29Hazardous operations 282030Z to 290030Z jun in area within 32 miles of 34-35.00N 122-00.00WEastern North Pacific · California
- NAVAREA XII 382/232023-06-23 → 2023-06-30Hazardous operations 281530Z to 290130Z jun, alternate 1530Z to 0130Z daily 29 and 30 jun in area bound by…Eastern North Pacific · California
- NAVAREA XII 378/232023-06-22 → 2023-06-23Gunnery exercises 220602Z to 220710Z, 230537Z to 230645Z, 240512Z to 240619Z, 250446Z to 250554Z, 260421Z to…Eastern North Pacific · Mexico
- NAVAREA XII 363/232023-06-17 → 2023-06-21Hazardous operations 211700Z to 211900Z jun, alternate 221700Z to 221900Z jun in area bound by 34-29.35N…Eastern North Pacific · California
- HYDROPAC 1953/232023-06-11 → 2023-06-18Hazardous operations 162200Z to 170900Z and 172200Z to 180800Z jun in area bound by 13-10.00N 144-30.00E,…Western North Pacific · Guam
- HYDROPAC 1952/232023-06-11 → 2023-06-17Hazardous operations 162200Z to 170800Z jun in area bound by 12-50.00N 145-00.00E, 12-50.00N 145-10.00E,…Western North Pacific · Guam
- NAVAREA XII 343/232023-06-10 → 2023-06-16California 1. hazardous operations 1400Z to 2359Z daily 13 thru 16 jun in areas bound by: a. 33-18.30N…Eastern North Pacific
- NAVAREA XII 337/232023-06-09 → 2023-06-09Hazardous operations 101700Z to 102100Z jun in area bound by 33-25.22N 120-32.35W, 33-24.90N 119-58.97W,…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.