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 · 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 · 4,618 cancelled
- HYDROPAC 956/212021-03-26 → 2021-05-31Gunnery exercises 2300Z to 0900Z daily 31 mar to 30 may in area bound by 28-15-15N 146-29-47E, 25-25-16N…Western North Pacific
- HYDROPAC 929/212021-03-24 → 2021-03-31Gunnery exercises 282200Z to 291000Z mar, alternate 2200Z to 1000Z daily 29 and 30 mar in area within 25…North Pacific
- HYDROPAC 912/212021-03-23 → 2021-03-25Hazardous operations 231400Z to 251355Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 887/212021-03-21 → 2021-03-22Hazardous operations 211400Z to 220730Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 886/212021-03-21 → 2021-03-25Hazardous operations 211400Z to 221930Z and 241400Z to 251355Z mar in area bound by 12-50N 145-10E, 11-25N…Western North Pacific · Guam
- HYDROPAC 885/212021-03-21 → 2021-03-26Hazardous operations 2300Z to 1355Z daily 22 thru 25 mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 850/212021-03-17 → 2021-03-28Gunnery exercises 212200Z to 221000Z mar, alternate 2200Z to 1000Z daily 22 thru 27 mar in area within 25…North Pacific
- HYDROPAC 838/212021-03-16 → 2021-03-17Hazardous operations 161400Z to 170800Z mar in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- NAVAREA XII 121/212021-03-16 → 2021-03-20Hazardous operations 1630Z to 0200Z daily 17 and 18 mar, alternate 191630Z to 200200Z mar in area bound by…Eastern North Pacific · California
- HYDROPAC 830/212021-03-15 → 2021-03-21Hazardous operations 151400Z to 211330Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 823/212021-03-14 → 2021-03-15Hazardous operations 150001Z to 150700Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 813/212021-03-12 → 2021-03-21Gunnery exercises 142100Z to 151000Z mar, alternate 2100Z to 1000Z daily 15 thru 20 mar in area within 25…Western North Pacific
- HYDROPAC 799/212021-03-12 → 2021-03-13Hazardous operations 130330Z to 132130Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 117/212021-03-11 → 2021-04-01Hazardous operations in progress until 010100Z apr in: a. 32-47-48N 118-22-43WEastern North Pacific · California
- NAVAREA XII 116/212021-03-11 → 2021-03-16Hazardous operations 161400Z to 161600Z mar in area bound by 36-52-00N 123-10-04W, 36-20-00N 124-19-04W,…Eastern North Pacific · California
- HYDROPAC 740/212021-03-06 → 2021-03-11Hazardous operations 2300Z to 1355Z daily 07 thru 10 mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 110/212021-03-06 → 2021-03-12Hazardous operations 111600Z to 112000Z mar, alternate 121600Z to 122000Z mar in area bound by 34-00-53N…Eastern North Pacific · California
- NAVAREA XII 107/212021-03-04 → 2021-03-11Hazardous operations 081700Z to 090100Z and 091600Z to 100100Z mar, alternate 101600Z to 110100Z mar in area…Eastern North Pacific · California
- HYDROPAC 708/212021-03-04 → 2021-03-05Hazardous operations 042300Z to 050100Z mar in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- HYDROPAC 703/212021-03-03 → 2021-03-14Gunnery exercises 2100Z to 1000Z daily 07 and 08 mar, alternate 2100Z to 1000Z daily 09 thru 13 mar in area…Western North Pacific
- HYDROPAC 697/212021-03-03 → 2021-03-04Hazardous operations 040500Z to 040630Z mar in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- HYDROPAC 677/212021-03-01 → 2021-03-02Hazardous operations 020001Z to 020600Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 94/212021-02-27 → 2021-03-04Hazardous operations 041500Z to 050100Z mar, alternate 051500Z to 060100Z mar in area bound by 33-44N…Eastern North Pacific · California
- HYDROPAC 645/212021-02-26 → 2021-03-04Hazardous operations 2300Z to 1355Z daily 28 feb thru 03 mar in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 614/212021-02-23 → 2021-03-07Gunnery exercises 2100Z to 1000Z daily 27 feb and 01 mar, alternate 2100Z to 1000Z daily 28 feb and 02 thru…Western North Pacific
- NAVAREA XII 84/212021-02-23 → 2021-02-25Hazardous operations 241430Z to 252200Z feb in area bound by 33-46N 120-23W, 33-57N 119-23W, 33-32N 119-13W,…Eastern North Pacific · California
- HYDROPAC 591/212021-02-20 → 2021-02-24Hazardous operations: a. 0644Z to 1515Z daily 24 to 26 feb in area bound by 14-42N 176-32E, 15-11N 176-58E,…North Pacific
- NAVAREA XII 78/212021-02-19 → 2021-02-25Hazardous operations 241930Z to 250030Z feb, alternate 261930Z to 270030Z feb in area bound by 33-54N…Eastern North Pacific · California
- NAVAREA XII 76/212021-02-19 → 2021-02-24Hazardous operations: a. 0644Z to 1411Z daily 24 thru 26 feb in area bound by 34-40N 121-19W, 34-55N…Eastern North Pacific · California
- HYDROPAC 572/212021-02-19 → 2021-02-24Hazardous operations 240747Z to 241347Z feb, alternate 250714Z to 251314Z feb in area bound by 09-17N…North Pacific · Marshall Islands
- NAVAREA XII 73/212021-02-17 → 2021-02-19Hazardous operations 221500Z to 230100Z feb, alternate 231500Z to 240100Z and 241500Z to 250100Z feb in area…Eastern North Pacific · California
- NAVAREA XII 72/212021-02-17 → 2021-02-22Hazardous operations 221500Z to 230100Z feb, alternate 231500Z to 240100Z and 241500Z to 250100Z feb in area…Eastern North Pacific · California
- NAVAREA XII 71/212021-02-17 → 2021-02-19Hazardous operations 191500Z to 200100Z feb, alternate 201500Z to 210100Z feb in area within 12 miles of…Eastern North Pacific · California
- HYDROPAC 518/212021-02-14 → 2021-02-20Gunnery exercises 182200Z to 191000Z feb, alternate 192200Z to 201000Z feb in area within 25 miles of…Western North Pacific
- NAVAREA XII 65/212021-02-12 → 2021-02-19Hazardous operations 171430Z to 180030Z and 181500Z to 190030Z feb in area within 58 miles of 33-53N 120-42WEastern North Pacific · California
- NAVAREA XII 64/212021-02-10 → 2021-02-17Hazardous operations 161430Z to 170030Z feb in area bound by 33-31N 120-58W, 33-45N 120-05W, 32-58N 119-32W,…Eastern North Pacific · California
- NAVAREA XII 63/212021-02-10 → 2021-02-16Hazardous operations 151430Z to 160030Z feb in areas bound by: a. 33-31N 120-58W, 33-45N 120-05W, 32-58N…Eastern North Pacific · California
- NAVAREA XII 62/212021-02-10 → 2021-02-15Hazardous operations 141430Z to 150030Z feb in area bound by 33-46N 120-23W, 33-57N 119-23W, 33-32N 119-13W,…Eastern North Pacific · California
- NAVAREA XII 58/212021-02-05 → 2021-02-14Hazardous operations 1500Z to 0100Z daily 10 thru 13 feb in area within 16 miles of 33-43N 119-26WEastern North Pacific · California
- NAVAREA XII 56/212021-02-03 → 2021-02-05Gunnery exercise 041900Z to 050100Z feb in area within 14 miles of 57-10N 136-27WEastern North Pacific · Alaska
- NAVAREA XII 51/212021-02-02 → 2021-02-07Hazardous operations 061600Z to 070100Z feb in area within ten miles of 33-39N 119-37WEastern North Pacific · California
- NAVAREA XII 48/212021-02-01 → 2021-02-09Hazardous operations 061800Z to 062359Z feb, alternate 081800Z to 082359Z feb in area bound by 35-11N…Eastern North Pacific · California
- NAVAREA XII 47/212021-02-01 → 2021-02-02Hazardous operations 021800Z to 030100Z feb in area bound by 33-54N 122-43W, 31-57N 121-36W, 31-24N 124-25W,…Eastern North Pacific
- NAVAREA XII 44/212021-01-31 → 2021-02-07Hazardous operations 051600Z to 060100Z feb, alternate 061600Z to 070100Z feb in area within 32 miles of…Eastern North Pacific · California
- HYDROPAC 371/212021-01-29 → 2021-01-29Hazardous operations 292100Z to 292300Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 42/212021-01-28 → 2021-02-03Hazardous operations 1430Z to 2030Z daily 02 and 03 feb in area bound by 33-43-20N 119-55-57W, 33-51-13N…Eastern North Pacific · California
- HYDROPAC 350/212021-01-27 → 2021-03-31Gunnery exercises 2300Z to 0900Z daily 31 jan thru 30 mar in area bound by 28-15-15N 146-29-47E, 25-25-16N…Western North Pacific
- NAVAREA XII 37/212021-01-27 → 2021-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 36/212021-01-27 → 2021-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-55-00N 118-25-00W, 32-55-00N 118-15-00W,…Eastern North Pacific · California
- NAVAREA XII 35/212021-01-27 → 2021-03-01Hazardous operations 010800Z feb to 010800Z mar in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…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.