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 304/182018-07-29 → 2018-07-31Hazardous operations 031300Z to 040100Z aug, alternate 041300Z to 050100Z aug in area bound by 33-51-19N…Eastern North Pacific · California
- NAVAREA XII 303/182018-07-28 → 2018-08-05Hazardous operations 021300Z to 030100Z aug alternate 031300Z to 040100Z and 041300Z to 050100Z aug in area…Eastern North Pacific · California
- HYDROPAC 2740/182018-07-27 → 2018-08-31Gunnery 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 301/182018-07-27 → 2018-09-01Hazardous operations 010700Z aug to 010659Z sep in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 300/182018-07-26 → 2018-08-06Hazardous operations: a. 300701Z jul to 060659Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- HYDROPAC 2724/182018-07-26 → 2018-08-09Gunnery exercises 2100Z to 0700Z commencing daily 30 jul and 06 thru 08 aug in area bound by 52-30-00N…North Pacific · Kamchatka
- HYDROPAC 2722/182018-07-26 → 2018-07-31Hazardous operations 310631Z to 311431Z jul, alternate 0631Z to 1431Z daily 01 and 02 aug in area bound by…North Pacific
- NAVAREA XII 299/182018-07-26 → 2018-07-31Hazardous operations 310631Z to 311325Z jul, alternate 0631Z to 1325Z daily 01 and 02 aug in areas bound by:…Eastern North Pacific · California
- HYDROPAC 2721/182018-07-26 → 2018-07-31Hazardous operations 310700Z to 311401Z jul, alternate 0700Z to 1401Z daily 01 and 02 aug in areas bound by:…North Pacific
- NAVAREA XII 294/182018-07-24 → 2018-07-28Hazardous operations 272000Z to 280400Z jul in area bound by 33-49N 120-10W, 33-14N 119-40W, 32-16N 120-50W,…Eastern North Pacific · California
- NAVAREA XII 290/182018-07-20 → 2018-07-30Hazardous operations: a. 230701Z to 300659Z jul in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 287/182018-07-20 → 2018-07-25Hazardous operations 251051Z to 251239Z jul, alternate 1051Z to 1239Z daily 26 thru 28 jul in area bound by…Eastern North Pacific · California
- NAVAREA XII 286/182018-07-16 → 2018-07-23Hazardous operations 221130Z to 230100Z jul in area bound by 33-41-03N 119-37-56W, 33-41-12N 120-04-26W,…Eastern North Pacific · California
- NAVAREA XII 285/182018-07-16 → 2018-07-22Hazardous operations 211300Z to 220100Z jul in area bound by 33-22-11N 119-58-46W, 33-22-20N 120-26-45W,…Eastern North Pacific · California
- NAVAREA XII 282/182018-07-15 → 2018-07-20Hazardous operations 201107Z to 201307Z jul, alternate 1107Z to 1307Z daily 21 thru 25 jul in area bound by…Eastern North Pacific · California
- HYDROPAC 2568/182018-07-13 → 2018-07-20Gunnery exercises 172100Z to 181000Z jul, alternate 2100Z to 1000Z commencing daily 18 and 19 jul in area…Western North Pacific
- NAVAREA XII 273/182018-07-12 → 2018-07-21Hazardous operations 161900Z to 170200Z jul, alternate 171900Z to 180200Z and 201900Z to 210200Z jul in area…Eastern North Pacific · California
- HYDROPAC 2494/182018-07-08 → 2018-07-13Hazardous operations 2100Z to 0930Z commencing daily 11 and 12 jul in area within 25 miles of 31-14-14N…Western North Pacific
- NAVAREA XII 267/182018-07-05 → 2018-07-26Hazardous operations 10 thru 25 jul in area bound by 22-00N 159-47W, 21-50N 161-30W, 23-05N 162-45W, 25-00N…North Pacific · Hawaii
- HYDROPAC 2412/182018-07-01 → 2018-07-07Gunnery exercises 052100Z to 061300Z, alternate 062100Z to 071300Z jul in area within 25 miles 31-14.23N…Western North Pacific
- NAVAREA XII 263/182018-06-29 → 2018-07-09Hazardous operations: a. 020700Z to 090700Z jul in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 256/182018-06-27 → 2018-08-01Hazardous operations 010701Z jul to 010659Z aug in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California · Mexico
- NAVAREA XII 254/182018-06-26 → 2018-07-01Hazardous operations 281830Z to 290200Z and 291300Z to 300130Z jun, alternate 301300Z jun to 010130Z jul in…Eastern North Pacific · California
- HYDROPAC 2358/182018-06-26 → 2018-07-31Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 247/182018-06-22 → 2018-06-24Gunnery exercises 231600Z to 240100Z jun in area within 29 miles of 57-45.0N 137-25.3WEastern North Pacific · Gulf of Alaska · Alaska
- NAVAREA XII 245/182018-06-19 → 2018-06-22Hazardous operations 201900Z to 202300Z jun, alternate 211900Z to 220100Z jun in area within 39 miles of…Eastern North Pacific · California
- HYDROPAC 2237/182018-06-15 → 2018-06-23Gunnery operations 2100Z to 0900Z commencing daily 20 thru 22 jun in area within 25 miles of 31-14-14N…Western North Pacific
- NAVAREA XII 239/182018-06-14 → 2018-06-25Hazardous operations: a. 180701Z to 250700Z jun in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 236/182018-06-08 → 2018-06-18Hazardous operations: a. 110701Z to 180659Z jun in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 235/182018-06-08 → 2018-06-16Hazardous operations 121800Z to 130100Z jun, alternate 151400Z to 160100Z and 161400Z to 170100Z jun in area…Eastern North Pacific · California
- NAVAREA XII 231/182018-06-01 → 2018-06-11Hazardous operations: a. 040701Z to 110659Z jun in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 229/182018-05-31 → 2018-06-07Hazardous operations 051915Z to 060015Z jun, alternate 062015Z to 070115Z jun in area within 39 miles of…Eastern North Pacific · California
- HYDROPAC 2056/182018-05-31 → 2018-06-08Hazardous operations 2100Z to 1000Z commencing daily 04 thru 07 jun in area within 25 miles of 31-14-14N…Western North Pacific
- HYDROPAC 2048/182018-05-30 → 2018-06-06Hazardous operations 032100Z to 040900Z jun, alternate 052100Z to 060900Z jun in area within 25 miles of…Western North Pacific
- HYDROPAC 2012/182018-05-27 → 2018-06-30Gunnery 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 228/182018-05-27 → 2018-07-01Hazardous operations 010701Z jun to 010659Z jul in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California · Mexico
- NAVAREA XII 224/182018-05-21 → 2018-05-25Hazardous operations 242000Z to 242300Z may in area within 21 miles of 34-19-20N 121-58-50WEastern North Pacific · California
- NAVAREA XII 221/182018-05-17 → 2018-05-23Hazardous operations 221700Z to 230200Z may in area bound by 33-18N 119-29W, 33-25N 119-24W, 33-38N 119-07W,…Eastern North Pacific · California
- NAVAREA XII 220/182018-05-17 → 2018-05-28Hazardous operations: a. 210701Z to 280659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 217/182018-05-15 → 2018-06-02Hazardous operations in progress thru 01 jun in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W,…Eastern North Pacific · Mexico
- NAVAREA XII 215/182018-05-14 → 2018-05-17Hazardous operations 161430Z to 161930Z may, alternate 171430Z 171930Z may in area within 36 miles of 34-39N…Eastern North Pacific · California
- NAVAREA XII 209/182018-05-12 → 2018-05-14Hazardous operations 15 may thru 01 jun in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…Eastern North Pacific · Mexico
- NAVAREA XII 208/182018-05-12 → 2018-06-02Hazardous operations 15 may thru 01 jun in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- NAVAREA XII 206/182018-05-12 → 2018-06-02Hazardous operations 15 may thru 01 jun in area bound by 21-04.0N 106-09.9W, 21-14.0N 106-09.0W, 21-14.0N…Eastern North Pacific · Mexico
- HYDROPAC 1796/182018-05-11 → 2018-05-14Hazardous operations 140820Z to 141521Z may, alternate 150855Z to 151556Z may in area bound by 09-16N…North Pacific
- NAVAREA XII 200/182018-05-11 → 2018-05-21Hazardous operations: a. 140701Z to 210659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 197/182018-05-10 → 2018-05-18Hazardous operations 151500Z to 160030Z may, alternate 1700Z to 0130Z commencing daily 16 and 17 may in area…Eastern North Pacific · California
- HYDROPAC 1760/182018-05-09 → 2018-05-14Hazardous operations 140751Z to 141630Z may, alternate 150751Z to 151630Z may in areas bound by: a. 15-26N…North Pacific
- NAVAREA XII 193/182018-05-09 → 2018-05-14Hazardous operations 140751Z to 141529Z may, alternate 150751Z to 151529Z may in areas bound by: a. 34-09N…Eastern North Pacific · California
- NAVAREA XII 192/182018-05-07 → 2018-05-09Hazardous operations 081400Z to 082100Z may, alternate 091600Z to 092200Z may in area bound by 33-33N…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.