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
- NAVAREA XII 340/192019-08-01 → 2019-08-09Hazardous operations 061500Z to 070400Z aug, alternate 071500Z to 080400Z and 081500Z to 090400Z aug in area…Eastern North Pacific · California
- HYDROPAC 2448/192019-07-31 → 2019-08-01Hazardous operations 010500Z to 011100Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 333/192019-07-30 → 2019-08-05Hazardous operations 021300Z to 030100Z, 031300Z to 040100Z aug, alternate 041300Z to 050100Z aug in area…Eastern North Pacific · California
- HYDROPAC 2399/192019-07-27 → 2019-08-31Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 326/192019-07-26 → 2019-08-02Hazardous operations 301400Z to 310300Z jul, alternate 311400Z jul to 010300Z aug, 011400Z to 020300Z aug in…Eastern North Pacific · California
- NAVAREA XII 324/192019-07-25 → 2019-08-01Hazardous operations 291500Z to 300100Z jul, alternate 311500Z jul to 010100Z aug in area bound by 33-55N…Eastern North Pacific · California
- NAVAREA XII 320/192019-07-22 → 2019-07-27Hazardous operations 261400Z to 262000Z jul, alternate 271300Z to 271900Z in area bound by 33-21N 120-55W,…North Pacific · California
- NAVAREA XII 319/192019-07-22 → 2019-07-26Hazardous operations 252000Z to 260100Z jul in area within 20 miles of 34-30N 121-23WNorth Pacific · California
- NAVAREA XII 316/192019-07-20 → 2019-07-22Gunnery exercises 212000Z to 220200Z jul in area within ten miles of 57-15N 136-40WEastern North Pacific · Alaska
- HYDROPAC 2317/192019-07-17 → 2019-07-26Gunnery exercises 221400Z to 261400Z jul in area bound by 52-30.0N 159-17.0E, 52-45.0N 159-17.0E, 52-45.0N…North Pacific · Kamchatka
- HYDROPAC 2313/192019-07-17 → 2019-07-18Hazardous operations 180300Z to 181000Z jul in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 298/192019-07-13 → 2019-07-15Hazardous operations 171500Z to 171900Z jul, alternate 181500Z to 181900Z jul in area bound by 33-14N…Eastern North Pacific · California
- HYDROPAC 2270/192019-07-13 → 2019-07-21Gunnery exercises 2200Z to 0900Z commencing daily 17 and 18 jul, alternate 2200Z to 0900Z commencing daily…Western North Pacific
- NAVAREA XII 294/192019-07-12 → 2019-07-18Hazardous operations 0530Z to 1100Z daily 16 thru 18 jul in area bound by a. 57-25N 152-24W, 57-05N 152-47W,…Eastern North Pacific · Gulf Alaska · Alaska
- HYDROPAC 2235/192019-07-10 → 2019-07-11Hazardous operations 101400Z to 111355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2225/192019-07-09 → 2019-07-10Hazardous operations 100700Z to 101355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2210/192019-07-08 → 2019-07-09Hazardous operations 090100Z to 090900Z jul within three miles of: a. 13-26N 145-08EWestern North Pacific · Guam
- NAVAREA XII 270/192019-07-02 → 2019-07-06Hazardous operations in progress until 05 jul in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W,…Eastern North Pacific · Mexico
- NAVAREA XII 269/192019-07-02 → 2019-07-06Hazardous operations in progress until 05 jul in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W,…Eastern North Pacific · Mexico
- NAVAREA XII 240/192019-06-27 → 2019-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 239/192019-06-27 → 2019-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-52-40N 119-12-01W, 33-08-04N 118-51-46W,…Eastern North Pacific · California
- NAVAREA XII 238/192019-06-27 → 2019-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-55-00N 118-25-00W, 32-55-00N 118-15-00W,…Eastern North Pacific · California
- HYDROPAC 2086/192019-06-26 → 2019-07-31Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- HYDROPAC 2068/192019-06-25 → 2019-06-26Hazardous operations 260800Z to 261200Z jun in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2052/192019-06-24 → 2019-06-25Hazardous operations 250700Z to 251100Z jun in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 224/192019-06-23 → 2019-06-26Hazardous operations 281300Z to 290100Z jun, alternate 291300Z to 300100Z and 301300Z jun to 010100Z jul in…Eastern North Pacific · California
- NAVAREA XII 221/192019-06-20 → 2019-06-29Hazardous operations 241830Z to 242030Z, alternate 252000Z to 252200Z and 282100Z to 282300Z jun in area…Eastern North Pacific · California
- HYDROPAC 1992/192019-06-18 → 2019-06-27Gunnery exercises 2200Z to 0800Z commencing daily 22 thru 25 jun, alternate 262200Z to 270800Z jun, in area…Western North Pacific
- NAVAREA XII 218/192019-06-17 → 2019-06-22Hazardous operations 201400Z to 202359Z, alternate 211400Z 212359Z jun in areas bound by: a. 33-41N 119-28W,…Eastern North Pacific · California
- NAVAREA XII 217/192019-06-15 → 2019-06-20Hazardous operations 191600Z to 200030Z and 201600Z to 201930Z jun in area within 40 miles of 34-25-17N…Eastern North Pacific · California
- NAVAREA XII 207/192019-06-10 → 2019-06-12Hazardous operations 122000Z to 122300Z jun in area within 40 miles of 34-25-22N 121-51-49WEastern North Pacific · California
- HYDROPAC 1848/192019-06-06 → 2019-06-14Gunnery exercises 102200Z to 110800Z jun, alternate 112200Z to 120800Z, 122200Z to 130800Z and 132200Z to…Western North Pacific
- NAVAREA XII 202/192019-06-05 → 2019-06-09Hazardous operations 101900Z to 110100Z jun in area bound by 33-46N 120-51W, 33-46N 119-36W, 33-20N 119-23W,…Eastern North Pacific · California
- NAVAREA XII 199/192019-05-31 → 2019-06-09Hazardous operations: a. 051300Z to 060100Z jun, alternate 071000Z to 080100Z junEastern North Pacific · California
- NAVAREA XII 195/192019-05-31 → 2019-05-31Hazardous operations 051300Z to 060100Z and 071000Z to 080100Z jun, alternate 061300Z to 070100Z and 081000Z…Eastern North Pacific · California
- HYDROPAC 1761/192019-05-29 → 2019-05-30Hazardous operations 300800Z to 301300Z may: a. in area within three miles of 13-26N 145-08EWestern North Pacific · Guam
- HYDROPAC 1748/192019-05-28 → 2019-05-29Hazardous operations 290700Z to 291300Z may: a. in area within three miles of 13-26N 145-08EWestern North Pacific · Guam
- HYDROPAC 1738/192019-05-27 → 2019-06-30Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 189/192019-05-27 → 2019-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-52.40N 119-12.01W, 33-08.04N 118-51.46W,…Eastern North Pacific · California
- NAVAREA XII 185/192019-05-22 → 2019-05-24Hazardous operations 241500Z to 242130Z may in area bound by 34-00N 119-20W, 33-38N 119-13W, 33-24N 119-54W,…Eastern North Pacific · California
- NAVAREA XII 179/192019-05-16 → 2019-05-22Hazardous operations 1530 to 2130 daily 21 and 22 may in area bound by 34-00N 119-20W, 33-38N 119-13W,…Eastern North Pacific · California
- HYDROPAC 1655/192019-05-16 → 2019-05-24Gunnery exercises 202200Z to 210800Z may, alternate 2200Z to 0800Z commencing daily 21 thru 23 may in area…Western North Pacific
- NAVAREA XII 177/192019-05-15 → 2019-05-20Hazardous operations 201500Z to 201900Z may in area within 70 miles of 32-55N 121-07WEastern North Pacific · California
- NAVAREA XII 165/192019-05-09 → 2019-06-01Hazardous operations 101330Z may to 011330Z jun in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 164/192019-05-09 → 2019-05-13Hazardous operations 101300Z to 110100Z may, alternate 111300Z to 120100Z and 121300Z to 130100Z may in area…Eastern North Pacific · California
- NAVAREA XII 163/192019-05-09 → 2019-05-17Hazardous operations 131300Z to 140100Z, 141300Z to 150100Z, 151300Z to 160100Z and 161300Z to 170100Z may…Eastern North Pacific · California
- NAVAREA XII 162/192019-05-09 → 2019-05-10Hazardous operations 1700Z to 2359Z daily 14 and 16 may in area within 42 miles of 34-16N 121-42WEastern North Pacific · California
- HYDROPAC 1555/192019-05-08 → 2019-05-09Hazardous operations 090400Z to 091200Z may in areas: a. within three miles of 13-26N 145-08EWestern North Pacific · Guam
- HYDROPAC 1541/192019-05-07 → 2019-05-08Hazardous operations 080100Z to 081355Z may in areas: a. within three miles of 13-26N 145-08EWestern North Pacific · Guam
- NAVAREA XII 157/192019-05-06 → 2019-05-09Hazardous operations 101300Z to 110100Z may, alternate 111300Z to 120100Z and 121300Z to 130100Z may in area…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.