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 307/212021-07-07 → 2021-07-12Hazardous operations 121500Z to 122000Z jul in area bound by 33-45N 120-23W, 33-36N 120-24W, 33-26N 119-38W,…Eastern North Pacific · California
- NAVAREA XII 306/212021-07-06 → 2021-07-10Hazardous operations 100900Z top 101800Z jul, alternate 130900Z to 131800Z jul in area bound by 31-13-21N…Eastern North Pacific
- NAVAREA XII 305/212021-07-06 → 2021-07-10Hazardous operations 100900Z to 101800Z jul, alternate 130900Z to 131800Z jul in area bound by 32-32-16N…Eastern North Pacific
- NAVAREA XII 304/212021-07-06 → 2021-07-10Hazardous operations 100900Z to 101800Z jul, alternate 130900Z to 131800Z jul in area bound by 33-08-45N…Eastern North Pacific · California
- NAVAREA XII 301/212021-07-04 → 2021-07-08Hazardous operations 081500Z to 090300Z jul, alternate 091500Z to 100300Z jul in area bound by 34-06-08N…Eastern North Pacific · California
- HYDROPAC 1922/212021-06-30 → 2021-07-15Gunnery exercises 042100Z to 050900Z jul, alternate 2100Z to 0900Z daily 05 thru 08 jul and 2100Z to 1000Z…Western North Pacific
- HYDROPAC 1919/212021-06-30 → 2021-07-01Hazardous operations 302300Z jun to 011355Z jul in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1906/212021-06-28 → 2021-07-02Hazardous operations 2200Z to 1200Z daily, 27 jun thru 01 jul in area bound by 12-50N 145-10E, 11-25N…Western North Pacific · Guam
- NAVAREA XII 291/212021-06-26 → 2021-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 290/212021-06-26 → 2021-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 289/212021-06-26 → 2021-08-01Hazardous 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 285/212021-06-25 → 2021-06-30Hazardous operations 281500Z to 282359Z jun, alternate 291500Z to 292359Z jun in areas: a. within 35 miles…Eastern North Pacific · California
- HYDROPAC 1849/212021-06-23 → 2021-07-04Gunnery exercises 272100Z to 280900Z jun, alternate 2100Z to 0900Z daily 28 jun thru 03 jul in area within…Western North Pacific
- HYDROPAC 1846/212021-06-23 → 2021-07-09Hazardous operations 231400Z jun to 091355Z jul in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N…Western North Pacific · Guam
- NAVAREA XII 282/212021-06-22 → 2021-06-25Gunnery exercise 252100Z to 252200Z jun in area bound by 35-45N 123-25W, 36-05N 123-25W, 36-05N 123-45W,…Eastern North Pacific · California
- HYDROPAC 1839/212021-06-22 → 2021-06-23Hazardous operations 210830Z to 211430Z jun, alternate 0830Z to 1430Z daily 22 thru 30 jun in area bound by…North Pacific · Marshall Islands
- NAVAREA XII 280/212021-06-22 → 2021-06-23Hazardous operations 210830Z to 211430Z jun, alternate 0830Z to 1430Z daily 22 thru 30 jun in areas bound…North Pacific · Gulf of Alaska · Alaska
- NAVAREA XII 279/212021-06-21 → 2021-06-22Gunnery exercise 251400Z to 251600Z jun in area bound by 35-45N 123-25W, 36-05N 123-25W, 36-05N 123-45W,…Eastern North Pacific · California
- NAVAREA XII 278/212021-06-21 → 2021-06-23Hazardous operations 231400Z to 240030Z, alternate 261400Z to 261900Z jun in area within 17 miles of 33-30N…Eastern North Pacific · California
- NAVAREA XII 277/212021-06-21 → 2021-06-23Hazardous operations 231400Z to 240030Z, alternate 261400Z to 261900Z jun in area within nine miles of…Eastern North Pacific · California
- HYDROPAC 1823/212021-06-21 → 2021-06-25Hazardous operations 220300Z to 220900Z, 230900Z to 231100Z, 240400Z to 240600Z, and 250130Z to 250800Z jun…Western North Pacific · Guam
- NAVAREA XII 276/212021-06-20 → 2021-06-26Hazardous operations 252100Z to 260200Z jun in area bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N 121-26W,…Eastern North Pacific · California
- HYDROPAC 1804/212021-06-18 → 2021-06-24Hazardous operations 2300Z to 1355Z daily 20 thru 23 jun in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1782/212021-06-16 → 2021-06-22Hazardous operations 210830Z to 211430Z jun, alternate 0830Z to 1430Z daily 22 thru 25 jun in area bound by…North Pacific · Marshall Islands
- NAVAREA XII 272/212021-06-16 → 2021-06-22Hazardous operations 210830Z to 211430Z jun, alternate 0830Z to 1430Z daily 22 thru 25 jun in areas bound…North Pacific · Gulf of Alaska · Alaska
- HYDROPAC 1770/212021-06-15 → 2021-06-26Gunnery exercises 2200Z to 1000Z daily 20 thru 25 jun in area bound by 46-42-30N 151-53-00E, 46-48-30N…Western North Pacific · Kuril Islands
- NAVAREA XII 270/212021-06-15 → 2021-06-24Hazardous operations 192100Z to 201000Z jun in area bound by 22-42.0N 172-13.0W, 22-28.2N 171-01.3W,…North Pacific
- HYDROPAC 1721/212021-06-11 → 2021-06-13Hazardous operations 122200Z to 131000Z jun in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 262/212021-06-10 → 2021-06-19Hazardous operations 1500Z to 0200Z daily 15 thru 17 jun, alternate 181500Z to 190200Z jun in area within…Eastern North Pacific · California
- NAVAREA XII 261/212021-06-10 → 2021-06-10Hazardous operations 151500Z to 160200Z jun alternate 161500Z to 170200Z, 171500Z to 180200Z, and 181500Z to…Eastern North Pacific · California
- NAVAREA XII 258/212021-06-09 → 2021-06-16Hazardous operations 141500Z to 150200Z jun, alternate 151500Z to 160200Z jun in area within 15 miles of…Eastern North Pacific · California
- HYDROPAC 1675/212021-06-05 → 2021-06-10Gunnery exercises 100300Z to 100800Z jun in area within ten miles of 29-55.0N 141-59.5EWestern North Pacific · Philippine Sea · Japan
- HYDROPAC 1674/212021-06-05 → 2021-06-05Gunnery exercises 100300Z to 100800Z apr in area within ten miles of 29-55.0N 141-59.5EWestern North Pacific · Philippine Sea · Japan
- NAVAREA XII 251/212021-06-04 → 2021-06-12Hazardous operations 1400Z to 2200Z daily 08 thru 12 jun in area within 33 miles of 33-15N 120-13WEastern North Pacific · California
- HYDROPAC 1659/212021-06-04 → 2021-06-10Hazardous operations 2300Z to 1355Z daily 06 thru 09 jun in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1653/212021-06-03 → 2021-06-04Hazardous operations in progress until 040100Z jun in area within one mile of 13-35.97N 144-55.64EWestern North Pacific · Guam
- NAVAREA XII 246/212021-05-28 → 2021-06-03Hazardous operations 021300Z to 021900Z jun, alternate 031300Z to 031900Z jun in area bound by 33-51N…Eastern North Pacific · California
- HYDROPAC 1578/212021-05-27 → 2021-07-17Gunnery exercises 2300Z to 0900Z daily 31 may to 30 jul in area bound by 28-15-15N 146-29-47E, 25-25-16N…Western North Pacific
- HYDROPAC 1576/212021-05-27 → 2021-06-03Hazardous operations 2300Z to 1355Z daily 30 may to 02 jun in areas within three miles of: a. 13-26N 145-08EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 245/212021-05-27 → 2021-06-01Hazardous operations 011700Z to 012100Z jun in area bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N 121-26W,…Eastern North Pacific · California
- NAVAREA XII 244/212021-05-27 → 2021-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 243/212021-05-27 → 2021-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 242/212021-05-27 → 2021-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 238/212021-05-23 → 2021-05-28Hazardous operations 251300Z to 260100Z may, alternate 1300Z to 0100Z daily 26 and 27 may in area bound by…Eastern North Pacific · California
- HYDROPAC 1511/212021-05-21 → 2021-05-27Hazardous operations 2300Z to 1355Z daily 23 thru 26 may in areas within three miles of: a. 13-26N 145-08EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 234/212021-05-20 → 2021-05-23Hazardous operations 1300Z to 0100Z daily 23 thru 25 may, alternate 1300Z to 0100Z daily 26 and 27 may in…Eastern North Pacific · California
- NAVAREA XII 231/212021-05-18 → 2021-05-21Hazardous operations 211600Z to 212000Z may in area bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N 121-26W,…Eastern North Pacific · California
- NAVAREA XII 229/212021-05-18 → 2021-05-21Hazardous operations 201230Z to 210130Z and 211230Z to 212000Z may in area bound by 31-31N 119-07W, 31-54N…Eastern North Pacific · California
- NAVAREA XII 227/212021-05-18 → 2021-05-21Hazardous operations 201230Z to 210130Z and 211230Z to 212000Z may in area bound by 31-36N 119-18W, 31-46N…Eastern North Pacific · California
- NAVAREA XII 226/212021-05-17 → 2021-05-18Hazardous operations 201230Z to 200130Z and 211230Z to 212000Z may in area bound by 31-36N 119-18W, 31-46N…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.