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 · 31 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 · 31 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 · 31 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 1361/202020-05-05 → 2020-05-06Hazardous operations 060300Z to 061200Z may in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1349/202020-05-04 → 2020-05-05Hazardous operations 050300Z to 051200Z may in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 189/202020-05-02 → 2020-05-05Hazardous operations 051800Z to 052200Z may in area within 13 miles of 34-16N 121-16WEastern North Pacific · California
- HYDROPAC 1335/202020-05-01 → 2020-05-04Hazardous operations 040300Z to 041200Z may in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 186/202020-04-30 → 2020-05-01Hazardous operations 011730Z to 012130Z may in area bound by 33-21N 120-24W, 33-08N 120-01W, 33-02N 120-07W,…Eastern Northern Pacific · California
- HYDROPAC 1327/202020-04-30 → 2020-05-01Hazardous operations 010045Z to 011355Z may in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1316/202020-04-29 → 2020-04-30Hazardous operations 300045Z to 301355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1309/202020-04-28 → 2020-04-29Hazardous operations 290045Z to 291355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 183/202020-04-27 → 2020-04-30Hazardous operations 301730Z to 302130Z apr in area within 20 miles of 33-13.18N 120-17.48WEastern Northern Pacific · California
- HYDROPAC 1289/202020-04-26 → 2020-05-31Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- HYDROPAC 1287/202020-04-26 → 2020-04-27Hazardous operations 270045Z to 271355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 181/202020-04-26 → 2020-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 178/202020-04-24 → 2020-04-30Hazardous operations 292100Z to 292359Z apr in area within 45 miles of 34-26N 121-59WEastern North Pacific · California
- HYDROPAC 1277/202020-04-24 → 2020-04-24Hazardous operations in progress until 241355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1275/202020-04-24 → 2020-04-25Hazardous operations 250045Z to 251355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 175/202020-04-21 → 2020-04-30Hazardous operations 251200Z to 300400Z apr in area within five miles of 33-41-18N 119-55-30WEastern North Pacific · California
- NAVAREA XII 173/202020-04-21 → 2020-04-23Hazardous operations 221900Z to 222300Z apr in area bound by 33-21N 120-24W, 33-09N 120-04W, 33-03N 120-08W,…Eastern North Pacific · California
- NAVAREA XII 172/202020-04-20 → 2020-04-22Hazardous operations 231600Z to 232200Z apr in area bound by 33-56N 119-14W, 33-46N 119-08W, 33-24N 120-06W,…Eastern North Pacific · California
- HYDROPAC 1242/202020-04-20 → 2020-04-21Hazardous operations 210045Z to 211355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 167/202020-04-17 → 2020-04-21Hazardous operations 221900Z to 222300Z apr in area within 20 miles of 33-13N 120-48WEastern North Pacific · California
- NAVAREA XII 166/202020-04-16 → 2020-04-22Hazardous operations 211830Z to 220130Z apr in area within 14 miles of 33-01N 120-14WEastern North Pacific · California
- HYDROPAC 1209/202020-04-16 → 2020-04-17Hazardous operations 170045Z to 171355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 164/202020-04-14 → 2020-04-22Hazardous operations 1700Z to 2359Z daily 16 and 21 apr in area within 14 miles of 33-01N 120-14WEastern North Pacific · California
- HYDROPAC 1176/202020-04-14 → 2020-04-15Hazardous operations 150045Z to 151355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 163/202020-04-13 → 2020-04-15Hazardous operations 141930Z to 150030Z apr in area within 12 miles of 34-16N 121-16WEastern North Pacific · California
- HYDROPAC 1165/202020-04-13 → 2020-04-14Hazardous operations 140045Z to 141355Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1158/202020-04-12 → 2020-05-09Gunnery exercises 162200Z to 171000Z apr, alternate 2200Z to 1000Z commencing daily 17 apr thru 08 may in…Western North Pacific
- HYDROPAC 1130/202020-04-07 → 2020-04-11Hazardous operations 102100Z to 102359Z apr in area bound by 33-21N 120-24W, 33-09N 120-03W, 33-03N 120-08W,…Eastern North Pacific · California
- NAVAREA XII 152/202020-04-07 → 2020-04-11Hazardous operations 102100Z to 102359Z apr in area bound by 33-21N 120-24W, 33-09N 120-03W, 33-03N 120-08W,…Eastern North Pacific · California
- HYDROPAC 1108/202020-04-06 → 2020-04-07Hazardous operations 070045Z to 071130Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1099/202020-04-05 → 2020-04-06Hazardous operations 060200Z to 060800Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 1098/202020-04-05 → 2020-04-06Hazardous operations 060545Z to 061130Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 143/202020-04-02 → 2020-04-07Hazardous operations 071600Z to 072200Z apr in area bound by 33-56N 119-14W, 33-46N 119-08W, 33-24N 120-06W,…Eastern North Pacific · California
- HYDROPAC 1070/202020-04-02 → 2020-04-11Gunnery exercises 2100Z to 1000Z commencing daily 06 and 08 apr, alternate 2100Z to 1000Z commencing daily…Western North Pacific
- HYDROPAC 1057/202020-04-01 → 2020-04-02Hazardous operations 020600Z to 021130Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1048/202020-03-31 → 2020-04-01Hazardous operations 010600Z to 011130Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 1047/202020-03-31 → 2020-04-01Hazardous operations 010600Z to 011130Z apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 139/202020-03-30 → 2020-04-02Hazardous operations 022000Z to 022300Z apr in area within 27 miles of 33-04N 120-44WEastern North Pacific · California
- NAVAREA XII 137/202020-03-30 → 2020-04-05Hazardous operations 041400Z to 050200Z apr in area bound by 30-39-00N 116-29-00W, 30-05-00N 116-55-00W,…Eastern North Pacific · Mexico
- NAVAREA XII 136/202020-03-28 → 2020-03-30Hazardous operations 022000Z to 022300Z apr in area within 27 miles of 33-10N 120-45WEastern North Pacific · California
- HYDROPAC 1021/202020-03-27 → 2020-04-30Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 134/202020-03-23 → 2020-03-24Hazardous operations 240800Z to 241300Z mar in area within one mile of 33-01N 118-35WEastern North Pacific · California
- HYDROPAC 966/202020-03-22 → 2020-03-23Hazardous operations 230830Z to 231355Z mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 965/202020-03-22 → 2020-03-23Hazardous operations 230100Z to 231359Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 963/202020-03-22 → 2020-03-23Hazardous operations 222230Z to 230400Z mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 130/202020-03-20 → 2020-03-28Hazardous operations 241400Z to 250100Z mar, alternate 1400Z to 0100Z commencing daily 25 thru 27 mar in…Eastern North Pacific · California
- HYDROPAC 935/202020-03-20 → 2020-03-21Hazardous operations 202200Z to 210500Z mar in area bound by 12-50-00N 145-00-00E, 12-50-00N 145-10-00E,…Western North Pacific · Guam
- HYDROPAC 934/202020-03-20 → 2020-03-22Hazardous operations 212100Z to 220700Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 933/202020-03-20 → 2020-03-21Hazardous operations 210100Z to 211100Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 125/202020-03-19 → 2020-03-27Hazardous operations 24 thru 26 mar in area bound by 31-10N 116-40W, 31-00N 116-40W, 31-00N 116-30W, 31-10N…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.