Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 6
- last 12 months
- 18
- vs previous 12 (30)
- -40%
- since 1993
- 4,624
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 · 6
- 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
- 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 · 32 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 · 32 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 · 32 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 · 28 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 · 28 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 · 4,618 cancelled
- HYDROPAC 1263/172017-04-09 → 2017-04-19Gunnery exercises 2200Z to 1500Z commencing daily 13 thru 18 apr in area within 25 miles of 31-14-14N…Western North Pacific
- NAVAREA XII 147/172017-04-06 → 2017-04-22Hazardous operations 11 thru 21 apr in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- HYDROPAC 1213/172017-04-05 → 2017-04-06Hazardous operations 060001Z to 060930Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1201/172017-04-04 → 2017-04-05Hazardous operations 050200Z to 050730Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 142/172017-04-03 → 2017-04-07Hazardous operations 062100Z to 070100Z apr in area bound by 33-59N 119-17W, 33-54N 119-06W, 33-12N 119-07W,…Eastern North Pacific · California
- HYDROPAC 1115/172017-03-30 → 2017-03-31Hazardous operations 310001Z to 310930Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 138/172017-03-29 → 2017-04-01Hazardous operations 312100Z mar to 010100Z apr in area bound by 34-13N 121-08W, 33-11N 120-26W, 32-49N…Eastern North Pacific · California
- HYDROPAC 1103/172017-03-29 → 2017-03-30Hazardous operations 300200Z to 301200Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1102/172017-03-29 → 2017-03-30Hazardous operations 300001Z to 300930Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1088/172017-03-27 → 2017-03-29Hazardous operations 290200Z to 291200Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1087/172017-03-27 → 2017-03-29Hazardous operations 290001Z to 290930Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1077/172017-03-27 → 2017-04-30Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 27-55-15N 144-57-48E,…Western North Pacific · Nanpo Shoto
- HYDROPAC 1069/172017-03-27 → 2017-03-28Hazardous operations 280001Z to 280930Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1068/172017-03-27 → 2017-03-28Hazardous operations 280200Z to 281200Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 134/172017-03-24 → 2017-03-29Gunnery exercises 281600Z to 290400Z mar in area within five miles of 55-00N 137-00WEastern North Pacific
- HYDROPAC 1015/172017-03-23 → 2017-03-30Gunnery exercises 272100Z to 280900Z mar, alternate 2100Z to 0900Z commencing daily 28 and 29 mar in area…Western North Pacific
- HYDROPAC 994/172017-03-22 → 2017-03-23Hazardous operations 230200Z to 231200Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 976/172017-03-21 → 2017-03-22Hazardous operations 210200Z to 221200Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 132/172017-03-20 → 2017-03-24Hazardous operations 221300Z to 221800Z mar, alternate 231800Z to 232300Z mar in area bound by 34-17N…Eastern North Pacific · California
- NAVAREA XII 131/172017-03-20 → 2017-03-27Hazardous operations 1400Z to 0100Z commencing daily 21, 22 and 24 mar, alternate 1400Z to 0100Z commencing…Eastern North Pacific · California
- HYDROPAC 950/172017-03-19 → 2017-03-19Hazardous operations 191157Z to 191312Z mar, in area bound by 16-58N 153-50E, 13-38N 159-01E, 11-22N…Western North Pacific
- HYDROPAC 949/172017-03-18 → 2017-03-20Hazardous operations 200200Z to 200600Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 126/172017-03-17 → 2017-03-27Hazardous operations: a. 200700Z to 270700Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 124/172017-03-17 → 2017-04-06Hazardous operations 20 mar thru 05 apr in area bound by 15-26.5N 093-41.0W, 15-34.0N 093-55.0W, 15-28.5N…Eastern North Pacific · Mexico
- HYDROPAC 907/172017-03-16 → 2017-03-19Hazardous operations 191157Z to 191312Z mar, alternate 1156Z to 1312Z daily 20 and 21 mar in area bound by…Western North Pacific
- NAVAREA XII 116/172017-03-15 → 2017-03-17Hazardous operations in progress until 21 mar in area bound by 15-26.5N 093-41.0W, 15-34.0N 093-55.0W,…Eastern North Pacific · Mexico
- HYDROPAC 814/172017-03-09 → 2017-03-10Hazardous operations 092300Z to 100800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 777/172017-03-06 → 2017-03-07Hazardous operations 062000Z to 070800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 97/172017-03-03 → 2017-03-08Hazardous operations 081600Z to 081800Z and 082030Z to 082230Z mar in area bound by 36-52N 123-10W, 36-20N…Eastern North Pacific · California
- NAVAREA XII 93/172017-02-28 → 2017-03-05Hazardous operations 2000Z to 0100Z commencing daily 03 and 04 mar in area bound by 34-17N 120-52W, 33-44N…Eastern North Pacific · California
- HYDROPAC 712/172017-02-28 → 2017-03-01Hazardous operations 010445Z to 010545Z mar in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 696/172017-02-27 → 2017-03-01Hazardous operations 271359Z feb to 011400Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N…Western North Pacific · Mariana Islands
- HYDROPAC 669/172017-02-24 → 2017-03-31Gunnery exercises 2300Z to 0900Z commencing daily 28 feb thru 30 mar in area bound by 27-55-15N 144-57-48E,…Western North Pacific · Nanpo Shoto
- NAVAREA XII 90/172017-02-23 → 2017-03-06Hazardous operations: a. 270800Z feb to 060800Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- NAVAREA XII 89/172017-02-23 → 2017-04-01Hazardous operations 0801Z to 0759Z commencing daily 01 thru 31 mar in area bound by 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- HYDROPAC 646/172017-02-23 → 2017-02-24Hazardous operations 240001Z to 240545Z feb in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 86/172017-02-21 → 2017-02-24Hazardous operations 2000Z to 0100Z commencing daily 22 and 23 feb in area bound by 33-58N 121-59W, 35-04N…Eastern North Pacific · California
- HYDROPAC 627/172017-02-21 → 2017-02-28Gunnery exercises 252100Z to 260900Z feb, alternate 2100Z to 0900Z commencing daily 26 and 27 feb in area…Western North Pacific
- HYDROPAC 623/172017-02-21 → 2017-02-22Hazardous operations 220900Z to 220930Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 622/172017-02-21 → 2017-02-22Hazardous operations 220001Z to 220545Z feb in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 612/172017-02-20 → 2017-02-21Hazardous operations 210001Z to 210100Z and 210445Z to 210545Z feb in area bound by 13-10N 144-30E, 13-10N…Western North Pacific · Mariana Islands
- NAVAREA XII 80/172017-02-16 → 2017-02-25Hazardous operations: a. 211600Z to 242000Z feb in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 79/172017-02-16 → 2017-02-22Hazardous operations 212100Z to 220200Z feb in area bound by 33-58N 121-59W, 35-04N 122-43W, 35-37N 121-32W,…Eastern North Pacific · California
- HYDROPAC 565/172017-02-16 → 2017-02-17Hazardous operations 170001Z to 170545Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 550/172017-02-15 → 2017-02-16Hazardous operations 160200Z to 161300Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 540/172017-02-14 → 2017-02-15Hazardous operations 150200Z to 151300Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 532/172017-02-13 → 2017-02-14Hazardous operations 140030Z to 141200Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 531/172017-02-13 → 2017-02-14Hazardous operations 132200Z to 140400Z feb in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 74/172017-02-10 → 2017-02-20Hazardous operations: a. 130800Z to 200800Z feb in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 70/172017-02-09 → 2017-02-22Hazardous operations 11 thru 21 feb in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
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.