Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 6
- last 12 months
- 20
- vs previous 12 (30)
- -33%
- since 1993
- 4,626
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 · 32 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 · 32 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 · 32 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 · 4,620 cancelled
- NAVAREA XII 383/172017-09-03 → 2017-09-11Hazardous operations: a. 040700Z to 110700Z sep in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 2954/172017-08-30 → 2017-08-31Hazardous operations 302000Z to 310500Z aug in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 2938/172017-08-29 → 2017-08-30Hazardous operations 300200Z to 300600Z aug in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 366/172017-08-28 → 2017-09-30Hazardous operations 0701Z to 0659Z commencing daily 01 thru 30 sep in area bound by 32-33N 118-25W, 32-35N…Eastern North Pacific · California
- HYDROPAC 2925/172017-08-28 → 2017-08-29Hazardous operations 290001Z to 291130Z aug in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 2916/172017-08-27 → 2017-09-30Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- HYDROPAC 2891/172017-08-26 → 2017-09-06Hazardous operations 290800Z to 291130Z aug, alternate 0800Z to 1130Z daily 30 aug thru 09 sep: a. in area…North Pacific
- NAVAREA XII 363/172017-08-26 → 2017-09-04Hazardous operations: a. 280700Z aug thru 040700Z sep in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- NAVAREA XII 361/172017-08-25 → 2017-08-30Hazardous operations 300430Z to 301000Z aug, alternate 310430Z to 311000Z aug, 010430Z to 011000Z sep in…North Pacific · Hawaii
- HYDROPAC 2881/172017-08-25 → 2017-08-25Hazardous operations 300430Z to 301000Z aug, alternate 310430Z to 311000Z aug, alternate 010430Z to 011000Z…North Pacific · Hawaii
- HYDROPAC 2879/172017-08-25 → 2017-08-26Hazardous operations 290800Z to 291130Z aug, alternate 0800Z to 1130Z daily 30 aug thru 09 sep in areas…North Pacific
- NAVAREA XII 358/172017-08-24 → 2017-09-01Hazardous operations 1230Z to 2230Z daily 28 and 29 aug, alternate 1230Z to 2230Z daily 30 aug thru 01 sep…Eastern North Pacific · California
- NAVAREA XII 356/172017-08-23 → 2017-08-24Hazardous operations 301500Z to 302100Z aug, alternate 311500Z to 312100Z aug in area within 52 miles of…Eastern North Pacific · California
- NAVAREA XII 353/172017-08-19 → 2017-08-24Hazardous operations 1820Z to 2018Z daily 24 thru 27 aug in area bound by 32-28N 122-01W, 32-10N 120-56W,…Eastern North Pacific
- NAVAREA XII 351/172017-08-17 → 2017-08-28Hazardous operations: a. 210700Z to 280700Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 345/172017-08-11 → 2017-08-19Hazardous operations 161500Z to 170001Z aug, alternate 171500Z to 180001Z and 181500Z to 190001Z aug in area…Eastern North Pacific · California
- NAVAREA XII 340/172017-08-06 → 2017-08-22Hazardous operations 11 thru 21 aug in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…Eastern North Pacific · Mexico
- HYDROPAC 2621/172017-08-02 → 2017-08-03Hazardous operations 022200Z to 031200Z aug in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2565/172017-07-28 → 2017-07-29Hazardous operations 290200Z to 291200Z jul in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2564/172017-07-28 → 2017-08-02Hazardous operations 0631Z to 1429Z daily 02 thru 04 aug in area bound by 14-09N 175-16E, 15-07N 174-47E,…North Pacific
- NAVAREA XII 322/172017-07-28 → 2017-08-02Hazardous operations 0631Z to 1332Z daily 02 thru 04 aug in areas bound by: a. 34-24N 124-49W, 34-38N…Eastern North Pacific
- HYDROPAC 2563/172017-07-28 → 2017-08-02Hazardous operations 020700Z to 021401Z aug, alternate 0700Z to 1401Z daily 03 and 04 aug in areas bound by:…North Pacific · Marshall Islands
- NAVAREA XII 320/172017-07-27 → 2017-08-01Hazardous operations 312100Z jul to 010200Z aug in area bound by 32-48N 120-07W, 33-25N 120-45W, 33-43N…Eastern North Pacific · California
- NAVAREA XII 319/172017-07-27 → 2017-08-05Hazardous operations 292000Z to 300100Z jul, 012100Z to 020200Z, 022100Z to 030200Z, 032100Z to 040200Z,…Eastern North Pacific · California
- HYDROPAC 2555/172017-07-27 → 2017-08-31Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- NAVAREA XII 318/172017-07-27 → 2017-09-01Hazardous operations 0701Z to 0659Z commencing daily 01 thru 31 aug in area bound by 32-33N 118-25W, 32-35N…Eastern North Pacific · California
- HYDROPAC 2534/172017-07-25 → 2017-07-26Hazardous operations 252300Z to 260600Z jul in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 317/172017-07-25 → 2017-07-30Hazardous operations 300300Z to 300930Z jul, alternate 310300Z to 310930Z jul and 010300Z to 010930Z aug in…Eastern North Pacific · Gulf of Alaska · Alaska
- HYDROPAC 2524/172017-07-24 → 2017-07-25Hazardous operations 250900Z to 251300Z jul in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2413/172017-07-13 → 2017-07-14Hazardous operations 132200Z to 140600Z jul in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 302/172017-07-11 → 2017-07-13Gunnery and pyrotechnic operations 121800Z to 130100Z jul in area within 15 miles of 57-45.38N 137-49.77WEastern North Pacific · Alaska
- HYDROPAC 2321/172017-07-04 → 2017-07-05Hazardous operations 050400Z to 051100Z jul in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2273/172017-06-29 → 2017-06-30Hazardous operations 292200Z to 301359Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2264/172017-06-28 → 2017-06-29Hazardous operations 282200Z to 291359Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2242/172017-06-27 → 2017-06-28Hazardous operations 272200Z to 281359Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2232/172017-06-26 → 2017-07-31Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- HYDROPAC 2229/172017-06-26 → 2017-06-27Hazardous operations 262130Z to 271359Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 283/172017-06-26 → 2017-08-01Hazardous operations 0701Z to 0659Z commencing daily 01 thru 31 jul in area bound by 32-33N 118-25W, 32-35N…Eastern North Pacific · California
- HYDROPAC 2178/172017-06-22 → 2017-06-23Hazardous operations 222130Z to 230200Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2171/172017-06-21 → 2017-06-22Hazardous operations 212100Z to 220600Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 275/172017-06-20 → 2017-06-25Hazardous operations 231900Z to 240100Z and 241900Z to 250100Z jun in area bound by 34-13N 121-08W, 33-11N…Eastern North Pacific · California
- NAVAREA XII 274/172017-06-20 → 2017-06-22Hazardous operations 211800Z to 22001Z jun in area within 13 miles of 34-27-43N 121-19-25WEastern North Pacific · California
- HYDROPAC 2154/172017-06-20 → 2017-06-21Hazardous operations 202300Z to 210600Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2153/172017-06-20 → 2017-06-21Hazardous operations 210200Z to 211000Z jun in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 273/172017-06-20 → 2017-06-26Hazardous operations 1949Z to 2106Z daily 25 and 26 jun: a. in area between 32-23N 31-35N and 120-39W 120-24WEastern North Pacific
- HYDROPAC 2142/172017-06-19 → 2017-06-20Hazardous operations 192100Z to 200600Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2135/172017-06-18 → 2017-06-19Hazardous operations 182300Z to 190600Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 266/172017-06-15 → 2017-06-20Hazardous operations 191900Z to 200100Z jun and 1800Z to 0001Z commencing daily 20 and 21 jun in area within…Eastern North Pacific · California
- HYDROPAC 2091/172017-06-15 → 2017-06-16Hazardous operations 152330Z to 160200Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 264/172017-06-14 → 2017-06-15Hazardous operations 191900Z to 200100Z jun and 1800Z to 0001Z commencing daily 20 to 21 jun in area within…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.