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 190/182018-05-07 → 2018-05-08Gunnery exercises 081600Z to 082100Z may in area within ten miles of 57-44N 137-33WEastern North Pacific · Alaska
- NAVAREA XII 184/182018-05-03 → 2018-05-14Hazardous operations: a. 070701Z to 140659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 182/182018-04-30 → 2018-05-05Hazardous operations 051010Z to 051343Z may, alternate 1010Z to 1343Z daily 06 thru 08 may in area bound by…Eastern North Pacific
- NAVAREA XII 177/182018-04-27 → 2018-05-07Hazardous operations: a. 290701Z apr to 060659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- HYDROPAC 1623/182018-04-26 → 2018-05-31Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 175/182018-04-26 → 2018-06-01Hazardous operations 010701Z may to 010659Z jun in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California · Mexico
- HYDROPAC 1592/182018-04-24 → 2018-04-29Gunnery exercises 290400Z to 290800Z apr in area within ten miles of 29-55.0N 141-59.5EWestern North Pacific · Philippine Sea
- HYDROPAC 1539/182018-04-20 → 2018-04-25Hazardous operations 250830Z to 251759Z apr, alternate 260830Z to 261759Z apr in areas bound by: a. 13-45N…North Pacific
- NAVAREA XII 166/182018-04-20 → 2018-04-25Hazardous operations 250830Z to 251652Z apr, alternate 260830Z to 261652Z apr in areas bound by: a. 34-18N…Eastern North Pacific · California
- HYDROPAC 1538/182018-04-20 → 2018-04-25Hazardous operations 251025Z to 251726Z apr, alternate 260859Z to 261600Z apr in area bound by 09-16N…North Pacific
- NAVAREA XII 165/182018-04-19 → 2018-04-30Hazardous operations: a. 230701Z to 300659Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 164/182018-04-19 → 2018-04-24Hazardous operations 241630Z to 242030Z apr in area within 21 miles of 34-19-20N 121-58-50WEastern North Pacific · California
- NAVAREA XII 157/182018-04-16 → 2018-04-21Hazardous operations 201400Z to 202100Z apr, alternate 211400Z to 212100Z apr in area bound by 33-33N…Eastern North Pacific · California
- HYDROPAC 1440/182018-04-13 → 2018-04-16Hazardous operations 141500Z to 141740Z apr, alternate 1500Z to 1740Z daily 15 thru 19 apr in areas bound…North Pacific
- NAVAREA XII 151/182018-04-10 → 2018-04-15Hazardous operations 141600Z to 142200Z apr, alternate 151600Z to 152200Z apr in area bound by 33-47-13N…Eastern North Pacific · California
- NAVAREA XII 146/182018-04-06 → 2018-04-16Hazardous operations: a. 090700Z to 160700Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 141/182018-04-06 → 2018-04-22Hazardous operations 11 thru 21 apr in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- HYDROPAC 1314/182018-04-06 → 2018-04-13Hazardous operations 101500Z to 101740Z apr, alternate 1500Z to 1740Z daily 11 thru 16 apr in areas bound…North Pacific
- NAVAREA XII 138/182018-04-03 → 2018-04-06Hazardous operations 061400Z to 062100Z apr in area bound by 33-33N 119-40W, 33-41N 119-48W, 33-51N 119-32W,…Eastern North Pacific · California
- HYDROPAC 1237/182018-03-30 → 2018-04-04Hazardous operations 040915Z to 041310Z apr, alternate 0915Z to 1255Z daily 05 thru 08 apr in areas bound…North Pacific
- HYDROPAC 1230/182018-03-30 → 2018-03-30Hazardous operations 040915Z to 041230Z apr, alternate 0915Z to 1215Z daily 05 thru 08 apr in areas bound…North Pacific
- NAVAREA XII 135/182018-03-29 → 2018-04-09Hazardous operations: a. 020700Z to 090700Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 131/182018-03-29 → 2018-04-03Hazardous operations 031900Z to 040001Z apr, alternate 041900Z to 050001Z apr in area bound by 33-33N…Eastern North Pacific · California
- NAVAREA XII 130/182018-03-28 → 2018-05-01Hazardous operations 010701Z apr to 010659Z may in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California · Mexico
- HYDROPAC 1187/182018-03-27 → 2018-04-30Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- HYDROPAC 1186/182018-03-27 → 2018-03-28Hazardous operations 272000Z to 280330Z mar in area bound by 12-00N 146-00E, 14-45N 151-30E, 13-00N 152-00EWestern North Pacific
- NAVAREA XII 125/182018-03-26 → 2018-03-30Hazardous operations 291530Z to 292030Z mar in area within 39 miles of 33-05-00N 121-01-00WEastern North Pacific · California
- NAVAREA XII 124/182018-03-26 → 2018-03-29Hazardous operations 281600Z to 290100Z mar in area bound by 33-15N 117-45W, 33-21N 117-55W, 33-05N 117-55W,…Eastern Pacific Ocean · California
- NAVAREA XII 118/182018-03-22 → 2018-04-02Hazardous operations: a. 260701Z mar to 020659Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- NAVAREA XII 111/182018-03-14 → 2018-03-15Hazardous operations 191800Z to 200100Z mar in area bound by 34-20N 120-41W, 32-38N 119-21W, 31-25N 121-39W,…Eastern North Pacific · California
- HYDROPAC 960/182018-03-11 → 2018-03-12Hazardous operations 112000Z to 120800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 945/182018-03-10 → 2018-03-11Hazardous operations 102200Z to 110600Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 920/182018-03-09 → 2018-03-10Hazardous operations 092100Z to 100800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 104/182018-03-08 → 2018-03-19Hazardous operations: a. 120701Z to 180659Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 911/182018-03-08 → 2018-03-09Hazardous operations 082100Z to 090800Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 856/182018-03-05 → 2018-03-06Hazardous operations 060200Z to 061000Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 98/182018-03-04 → 2018-03-12Hazardous operations: a. 050800Z to 120800Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 842/182018-03-04 → 2018-03-05Hazardous operations 050200Z to 051000Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 94/182018-03-01 → 2018-03-08Hazardous operations 061915Z to 070100Z mar, alternate 071915Z to 080100Z mar in area within 15 miles of…Eastern North Pacific · California
- NAVAREA XII 90/182018-02-27 → 2018-03-01Hazardous operations 281600Z feb to 010100Z mar in area bound by 33-18N 119-29W, 33-25N 119-24W, 33-38N…Eastern North Pacific · California
- NAVAREA XII 88/182018-02-26 → 2018-04-01Hazardous operations 010801Z mar to 010659Z apr in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California · Mexico
- HYDROPAC 757/182018-02-24 → 2018-03-31Gunnery exercises 2300Z to 0900Z commencing daily 28 feb thru 30 mar in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 86/182018-02-22 → 2018-03-05Hazardous operations: a. 260801Z feb to 050759Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- NAVAREA XII 84/182018-02-21 → 2018-03-02Hazardous operations 261300Z feb to 020001Z mar in area bound by 32-35.6N 117-12.2W, 32-35.6N 117-10.5W,…Eastern North Pacific · California
- HYDROPAC 713/182018-02-21 → 2018-02-22Hazardous operations 211800Z to 221000Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 712/182018-02-21 → 2018-02-22Hazardous operations 220200Z to 220900Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 79/182018-02-16 → 2018-02-22Hazardous operations in progress until 21 feb in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W,…Eastern North Pacific · Mexico
- NAVAREA XII 73/182018-02-16 → 2018-02-22Hazardous operations 1500Z to 1900Z daily 21 and 22 feb in area bound by 33-52-29N 119-59-42W, 33-28-34N…Eastern North Pacific · California
- NAVAREA XII 69/182018-02-14 → 2018-02-27Hazardous operations 1700Z to 0100Z commencing daily 21 thru 24 and 26 feb in area bound by 33-18N 119-29W,…Eastern North Pacific · California
- NAVAREA XII 65/182018-02-08 → 2018-02-19Hazardous operations: a. 120801Z to 190759Z feb in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…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.