Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 7
- 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 · 7
- 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 569/26in force2026-08-20Hazardous operations 252100Z to 260100Z aug, alternate 2100Z to 0100Z daily 26 and 27 aug in area bound by…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 · 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 · 27 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 · 27 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 · 4,617 cancelled
- NAVAREA XII 441/212021-08-24 → 2021-08-30Hazardous operations 271900Z to 280001Z aug, alternate 301400Z to 301900Z aug in area bound by 33-37N…Eastern North Pacific · California
- HYDROPAC 2403/212021-08-23 → 2021-08-24Hazardous operations 0300Z to 1300Z daily 23 and 24 aug in area bound by 13-10N 144-30E, 13-10N 144-42E,…Western North Pacific · Guam
- HYDROPAC 2400/212021-08-22 → 2021-08-26Hazardous operations 222300Z to 231359Z, 1400Z to 1359Z daily 23 thru 26 and 261400Z to 261600Z aug in areas…Western North Pacific · Philippine Sea · Guam
- HYDROPAC 2363/212021-08-18 → 2021-08-20Hazardous operations in progress until 201359Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 417/212021-08-14 → 2021-08-19Hazardous operations 181600Z to 182359Z aug, alternate 201600Z to 202359Z aug in area bound by 33-53-42N…Eastern North Pacific · California
- NAVAREA XII 411/212021-08-13 → 2021-08-14Hazardous operations 161630Z to 162230Z and 171630Z to 172230Z aug, alternate 1630Z to 2230Z daily 18 thru…Eastern North Pacific · California
- NAVAREA XII 410/212021-08-13 → 2021-08-19Hazardous operations 161630Z to 162230Z and 171630Z to 172230Z aug, alternate 1630Z to 2230Z daily 18 thru…Eastern North Pacific · California
- NAVAREA XII 409/212021-08-13 → 2021-08-19Hazardous operations 161630Z to 162230Z and 171630Z to 172230Z aug, alternate 1630Z to 2230Z daily 18 thru…Eastern North Pacific · California
- NAVAREA XII 406/212021-08-12 → 2021-08-16Hazardous operations 162000Z to 170200Z aug, alternate 172000Z to 180200Z and 182000Z to 190200Z aug in…North Pacific · Alaska
- NAVAREA XII 405/212021-08-12 → 2021-08-17Hazardous operations 151600Z to 160500Z aug, alternate 161600Z to 170500Z aug in area bound by 22-00N…North Pacific · Hawaii
- NAVAREA XII 403/212021-08-11 → 2021-08-13Hazardous operations 121600Z to 130100Z aug in area bound by 32-43-29N 119-11-52W, 32-37-11N 119-18-20W,…Eastern North Pacific · California
- NAVAREA XII 400/212021-08-10 → 2021-08-19Hazardous operations 150700Z to 151300Z and 191600Z to 192359Z aug in area bound by 33-53-42N 119-19-05W,…Eastern North Pacific · California
- HYDROPAC 2275/212021-08-08 → 2021-08-14Hazardous operations 092300Z to 101355Z, 101400Z to 111359Z, 111400Z to 121359Z, 121400Z to 131359Z and…Western North Pacific · Philippine Sea · Guam
- NAVAREA XII 394/212021-08-08 → 2021-08-13Hazardous operations 131600Z to 140100Z aug, alternate 141600Z to 150100Z aug in area bound by 33-41-41N…Eastern North Pacific · California
- NAVAREA XII 391/212021-08-07 → 2021-08-13Hazardous operations 121900Z to 130100Z aug in area bound by 32-28-04N 119-43-53W, 32-21-25N 119-50-17W,…Eastern North Pacific · California
- NAVAREA XII 390/212021-08-07 → 2021-08-11Hazardous operations 121600Z to 121900Z aug in area bound by 32-43-29N 119-11-52W, 32-37-11N 119-18-20W,…Eastern North Pacific · California
- NAVAREA XII 383/212021-08-06 → 2021-08-12Hazardous operations 101600Z to 110100Z and 111600Z to 120100Z aug, alternate 131600Z to 140100Z and 141600Z…Eastern North Pacific · California
- NAVAREA XII 382/212021-08-06 → 2021-08-11Hazardous operations 101700Z to 110100Z aug in area bound by 33-46-46N 119-55-43W, 33-46-25N 119-26-53W,…Eastern North Pacific · California
- HYDROPAC 2248/212021-08-06 → 2021-08-11Hazardous operations 110750Z to 111429Z aug, alternate 120718Z to 121357Z aug in area bound by 09-09N…North Pacific · Marshall Islands
- HYDROPAC 2206/212021-08-02 → 2021-08-14Hazardous operations 2000Z to 1200Z daily 02 thru 13 aug in area bound by 13-10N 144-30E, 13-10N 144-42E,…Western North Pacific · Guam
- NAVAREA XII 369/212021-07-29 → 2021-09-01Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 368/212021-07-29 → 2021-09-01Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 367/212021-07-29 → 2021-09-01Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 362/212021-07-28 → 2021-07-29Hazardous operations 311600Z to 312330Z jul in area bound by 33-25-13N 119-44-27W, 33-15-12N 119-18-01W,…Eastern North Pacific · California
- NAVAREA XII 361/212021-07-28 → 2021-08-05Hazardous operations 1300Z to 2359Z daily 03 thru 05 aug, alternate 1300Z to 2359Z daily 06, 07 and 09 aug…Eastern North Pacific · California
- NAVAREA XII 360/212021-07-28 → 2021-08-07Hazardous operations 1300Z to 2359Z daily 03 thru 05 aug, alternate 1300Z to 2359Z daily 06, 07 and 09 aug…Eastern North Pacific · California
- NAVAREA XII 359/212021-07-28 → 2021-08-07Hazardous operations 1300Z to 2359Z daily 03 thru 05 aug, alternate 1300Z to 2359Z daily 06, 07 and 09 aug…Eastern North Pacific · California
- HYDROPAC 2163/212021-07-27 → 2021-09-30Gunnery exercises 2300Z to 0900Z daily 31 jul to 29 sep in area bound by 28-15-15N 146-29-47E, 25-25-16N…Western North Pacific
- HYDROPAC 2144/212021-07-25 → 2021-07-29Hazardous operations 2300Z to 1355Z daily 25 thru 28 jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 351/212021-07-23 → 2021-07-28Hazardous operations 281500Z to 282200Z jul, alternate 1500Z to 2200Z daily 29 and 30 jul in area bound by…Eastern North Pacific
- NAVAREA XII 350/212021-07-23 → 2021-07-28Hazardous operations 281500Z to 282200Z jul, alternate 1500Z to 2200Z daily 29 and 30 jul in area bound by…Eastern North Pacific · California
- HYDROPAC 2095/212021-07-20 → 2021-07-22Hazardous operations 212300Z to 221355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2089/212021-07-20 → 2021-07-21Hazardous operations 202300Z to 211355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 334/212021-07-19 → 2021-07-20Hazardous operations 201400Z to 202000Z jul in area bound by 33-37N 120-08W, 33-31N 119-40W, 32-40N 119-58W,…Eastern North Pacific · California
- HYDROPAC 2075/212021-07-19 → 2021-07-20Hazardous operations 192300Z to 201355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 326/212021-07-16 → 2021-07-24Hazardous operations 211400Z to 212330Z, 221400Z to 222330Z, 231400Z to 231930Z and 241400Z to 241930Z jul…Eastern North Pacific · California
- NAVAREA XII 325/212021-07-16 → 2021-07-24Hazardous operations 211400Z to 212330Z, 221400Z to 222330Z, 231400Z to 231930Z and 241400Z to 241930Z jul…Eastern North Pacific · California
- NAVAREA XII 324/212021-07-16 → 2021-07-24Hazardous operations 211400Z to 212330Z, 221400Z to 222330Z, 231400Z to 231930Z and 241400Z to 241930Z jul…Eastern North Pacific · California
- HYDROPAC 2042/212021-07-14 → 2021-07-22Gunnery exercises 2100Z to 0900Z daily 14, 15 and 18 jul, alternate 2100Z to 0900Z daily 16, 17 and 19 thru…Western North Pacific
- NAVAREA XII 322/212021-07-14 → 2021-07-20Hazardous operations 192130Z to 200130Z jul in area bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N 121-26W,…Eastern North Pacific · California
- NAVAREA XII 321/212021-07-13 → 2021-07-15Hazardous operations 142030Z to 150130Z jul in area bound by 34-59N 123-17W, 35-05N 121-32W, 34-52N 121-25W,…Eastern North Pacific · California
- NAVAREA XII 320/212021-07-13 → 2021-07-20Hazardous operations 161400Z to 162000Z jul, alternate 211500Z to 212100Z jul in area within 36 miles of…Eastern North Pacific · California
- NAVAREA XII 319/212021-07-13 → 2021-07-13Hazardous operations 142030Z to 150130Z jul in area within 55 miles of 34-32N 122-19WEastern North Pacific · California
- HYDROPAC 2022/212021-07-13 → 2021-07-14Hazardous operations 140530Z to 141300Z jul in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- NAVAREA XII 318/212021-07-12 → 2021-07-17Hazardous operations 162000Z to 170100Z jul in areas bound by: a. 33-25-13N 119-44-27W, 33-15-12N…Eastern North Pacific · California
- NAVAREA XII 316/212021-07-12 → 2021-07-15Hazardous operations 151500Z to 160300Z jul, alternate 171500Z to 180300Z jul in area bound by 34-06-08N…Eastern North Pacific · California
- HYDROPAC 2013/212021-07-12 → 2021-07-13Hazardous operations 130500Z jul to 131359Z jul in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N…Western North Pacific · Guam
- NAVAREA XII 311/212021-07-07 → 2021-07-15Hazardous operations 122000Z to 130100Z jul, alternate 142000Z to 150100Z jul in area bound by 33-14N…Eastern North Pacific · California
- NAVAREA XII 309/212021-07-07 → 2021-07-15Hazardous operations 122030Z to 130130Z jul, alternate 142030Z to 150130Z jul in area bound by 33-50N…Eastern North Pacific · California
- NAVAREA XII 308/212021-07-07 → 2021-07-15Hazardous operations 122030Z to 130130Z jul, alternate 142030Z to 150130Z jul in area within 55 miles of…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.