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 286/242024-04-26 → 2024-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- NAVAREA XII 285/242024-04-26 → 2024-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- HYDROPAC 1347/242024-04-24 → 2024-04-29Hazardous operations 282200Z to 290800Z apr in area bound by 15-25.00N 148-04.00E, 15-25.00N 146-25.00E,…Western North Pacific · Northern Mariana Islands
- HYDROPAC 1345/242024-04-24 → 2024-05-02Hazardous operations 2300Z to 1300Z daily 29 apr thru 01 may in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 275/242024-04-23 → 2024-04-30Hazardous operations 251400Z to 260030Z apr, alternate 261400Z to 270030Z and 291400Z to 300030Z apr in area…Eastern North Pacific · California
- HYDROPAC 1300/242024-04-21 → 2024-04-24Gunnery exercises 232359Z to 240800Z apr in area within ten miles of 29-55.0N 141-59.5EWestern North Pacific
- HYDROPAC 1291/242024-04-20 → 2024-04-25Hazardous operations 250100Z to 250900Z apr in area within 12 miles of 16-01.07N 146-03.52EWestern North Pacific · Farallon de Medinilla
- NAVAREA XII 264/242024-04-18 → 2024-05-27Hazardous operations 23 thru 28 apr and 21 thru 26 may in area bound by 22-12.00N 107-00.00W, 22-12.00N…Eastern North Pacific · Mexico
- HYDROPAC 1271/242024-04-18 → 2024-04-26Hazardous operations 0001Z to 0400Z daily 23 thru 26 apr in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 1260/242024-04-17 → 2024-04-25Gunnery exercises 2100Z to 1400Z daily 21 and 22 apr, alternate 2100Z to 1400Z daily 23 and 24 apr in area…Western North Pacific
- HYDROPAC 1257/242024-04-17 → 2024-04-24Hazardous operations 2300Z to 0600Z daily 22 and 23 apr in area bound by 12-49.98N 145-00.00E, 12-49.98N…Western North Pacific · Guam
- HYDROPAC 1255/242024-04-17 → 2024-04-25Hazardous operations 2300Z to 1300Z daily 22 thru 24 apr in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 255/242024-04-15 → 2024-04-17Gunnery exercises 161900Z to 170400Z in area within five miles of 56-55.25N 136-25.00WEastern North Pacific · Alaska
- HYDROPAC 1174/242024-04-11 → 2024-04-13Hazardous operations 0800Z to 1000Z daily 11 thru 13 apr: a. in area bound by 51-09.17N 140-39.92E,…North Pacific · Tatar Strait · Russia
- NAVAREA XII 243/242024-04-11 → 2024-04-17Hazardous operations 161600Z to 170200Z apr, alternate 1600Z to 0200Z daily 17 thru 20 apr in area bound by…Eastern North Pacific · California
- NAVAREA XII 242/242024-04-11 → 2024-04-21Hazardous operations 161600Z to 170200Z apr, alternate 1600Z to 0200Z daily 17 thru 20 apr in area bound by…Eastern North Pacific · California
- HYDROPAC 1156/242024-04-10 → 2024-04-21Gunnery exercises 2100Z to 0900Z daily 14 and 18 apr, alternate 2100Z to 0900Z daily 15, 19 and 20 apr in…Western North Pacific
- NAVAREA XII 231/242024-04-06 → 2024-04-11Hazardous operations: a. 1354Z to 1504Z daily 11 thru 17 apr in area bound by 30-49.00N 121-55.00W,…Eastern North Pacific
- HYDROPAC 1094/242024-04-05 → 2024-04-10Hazardous operations 090800Z to 091000Z and 100800 to 101000Z apr: a. in area bound by 51-02.83N 141-27.92E,…North Pacific · Tatar Strait · Russia
- HYDROPAC 1066/242024-04-03 → 2024-04-14Gunnery exercises 2100Z to 0900Z daily 07 and 08 apr, alternate 2100Z to 0900Z daily 09 thru 13 apr in area…Western North Pacific
- HYDROPAC 1054/242024-04-02 → 2024-04-12Hazardous operations 2300Z to 1300Z daily 09 thru 12 apr in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 217/242024-04-02 → 2024-04-07Hazardous operations 051530Z to 52330Z, alternate 061530Z to 062330Z apr in area bound by 33-51.03N…Eastern North Pacific · California
- HYDROPAC 1053/242024-04-02 → 2024-04-07Gunnery exercises 062100Z to 070900Z apr in area within 25 miles of 31-14.23N 144-26.80EWestern North Pacific · Japan
- HYDROPAC 1047/242024-04-01 → 2024-04-05Hazardous operations 0800Z to 1000Z daily 06 thru 10 apr: a. in area bound by 51-02.83N 141-27.92E,…North Pacific · Tatar Strait · Russia
- HYDROPAC 1009/242024-03-28 → 2024-04-04Hazardous operations 2300Z to 0800Z daily 01 thru 03 apr in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 1004/242024-03-27 → 2024-04-30Gunnery exercises 2300Z to 0900Z daily 31 mar thru 29 apr in area bound by 28-15.25N 146-29.78E, 25-25.27N…Western North Pacific
- HYDROPAC 999/242024-03-27 → 2024-04-04Hazardous operations 2300Z to 1300Z daily 01 thru 04 apr in area within five miles of 13-26.00N 145-08.00EWestern North Pacific · Guam
- NAVAREA XII 197/242024-03-26 → 2024-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 196/242024-03-26 → 2024-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 195/242024-03-26 → 2024-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- NAVAREA XII 192/242024-03-25 → 2024-03-29Alaska 1. gunnery exercises 291800Z to 292100Z mar in area within 13 miles of 57-45.1N 137-34.5WEastern North Pacific
- NAVAREA XII 191/242024-03-25 → 2024-03-29Hazardous operations 281300Z to 290200Z mar in area bound by 33-53.00N 119-35.00W, 33-39.00N 119-07.00W,…Eastern North Pacific · California
- NAVAREA XII 188/242024-03-24 → 2024-03-29Hazardous operations 290530Z to 291100Z mar, alternate 0530Z to 1100Z daily 30 and 31 mar in area bound by…Eastern North Pacific · Hawaii
- NAVAREA XII 180/242024-03-21 → 2024-03-25Hazardous operations 261300Z to 270200Z mar, alternate 1300Z to 0200Z daily 27 thru 28 mar in area bound by…Eastern North Pacific · California
- NAVAREA XII 178/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar 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 177/242024-03-20 → 2024-04-29Hazardous operations 26 thru 31 mar and 23 thru 28 apr in area bound by 15-42.00N 095-33.00W, 15-37.00N…Eastern North Pacific · Mexico
- NAVAREA XII 176/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar in area bound by 15-25.00N 095-55.50W, 15-25.00N 096-10.00W, 15-15.00N…Eastern North Pacific · Mexico
- NAVAREA XII 175/242024-03-20 → 2024-04-29Hazardous operations 26 thru 31 mar and 23 thru 28 apr in area bound by 16-20.70N 099-51.70W, 16-28.70N…Eastern North Pacific · Mexico
- NAVAREA XII 174/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar 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 173/242024-03-20 → 2024-04-29Hazardous operations 26 thru 31 mar and 23 thru 28 apr in area bound by 18-25.00N 104-30.00W, 18-25.00N…Eastern North Pacific · Mexico
- NAVAREA XII 172/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar 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 168/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar 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 167/242024-03-20 → 2024-04-01Hazardous operations 26 thru 31 mar in area bound by 31-10.00N 116-30.00W, 31-10.00N 116-40.00W, 31-00.00N…Eastern North Pacific · Mexico
- HYDROPAC 919/242024-03-20 → 2024-03-28Hazardous operations 2300Z to 1300Z daily 25 thru 27 mar in areas within five miles of: a. 13-26.0N 145-08.0EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 165/242024-03-19 → 2024-03-24Hazardous operations 221630Z to 222330Z mar, alternate 231630Z to 232330Z mar in area bound by 32-56.68N…Eastern North Pacific · California
- NAVAREA XII 151/242024-03-15 → 2024-03-22Hazardous operations 192030Z to 200130Z mar alternate 211800Z to 212300Z mar in area bound by 33-19.78N…Eastern North Pacific · California
- NAVAREA XII 150/242024-03-15 → 2024-03-21Hazardous operations 201600Z to 202359Z mar, alternate 1600Z to 2359Z daily 21 and 22 mar in area bound by…Eastern North Pacific · California
- NAVAREA XII 147/242024-03-13 → 2024-03-18Hazardous operations 181500Z to 182200Z mar in area bound by 33-49.00N 120-30.40W, 33-50.00N 119-30.50W,…Eastern North Pacific · California
- HYDROPAC 841/242024-03-13 → 2024-03-22Hazardous operations 2200Z to 0600Z daily 20 and 21 mar in area bound by 13-03.00N 144-52.00E, 13-03.00N…Western North Pacific · Guam
- HYDROPAC 840/242024-03-13 → 2024-03-21Hazardous operations 2300Z to 1300Z daily 18 thru 20 mar in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
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.