Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 8
- last 12 months
- 17
- vs previous 12 (30)
- -43%
- since 1993
- 4,623
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 · 8
- 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 548/26in force2026-08-13Hazardous operations occur off California in the North Pacific from August 18-19 and 20-21, with the notice valid until August 26.North Pacific · California
- NAVAREA XII 552/26in force2026-08-12Hazardous operations are underway August 19 to 20 within two miles of 32-35.87N 117-10.87W.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 · 29 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 · 29 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 · 29 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 · 26 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 · 26 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 · 4,615 cancelled
- HYDROPAC 777/242024-03-08 → 2024-03-14Hazardous operations 2300Z to 1300Z daily 11 thru 13 mar in areas within five miiles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 776/242024-03-08 → 2024-03-14Hazardous operations 0500Z to 0630Z daily 13 and 14 mar in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 775/242024-03-08 → 2024-03-15Hazardous operations 0030Z to 0300Z and 0500Z to 0930Z daily 11 thru 15 mar in area within 12 miles of…Western North Pacific · Farallon de Medinilla
- NAVAREA XII 129/242024-03-07 → 2024-03-13Hazardous operations 131630Z to 140200Z mar, alternate 141630Z to 150200Z mar in area bound by 32-56.68N…Eastern North Pacific · California
- NAVAREA XII 116/242024-03-03 → 2024-03-09Hazardous operations 082030Z to 090030Z mar in area within 30 miles of 33-32.50N 122-23.50WEastern North Pacific · California
- NAVAREA XII 115/242024-03-02 → 2024-03-07Hazardous operations 071515Z to 071915Z mar, alternate 082130Z to 090130Z in area within 25 miles of…Eastern North Pacific · California
- HYDROPAC 681/242024-02-28 → 2024-03-07Hazardous operations 2300Z to 1300Z daily 04 thru 06 mar in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 647/242024-02-25 → 2024-03-31Gunnery exercises 2300Z to 0900Z daily 29 feb thru 30 mar in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 107/242024-02-25 → 2024-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- NAVAREA XII 106/242024-02-25 → 2024-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 105/242024-02-25 → 2024-04-01Hazardous operations 010800Z mar to 010800Z apr in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 102/242024-02-23 → 2024-03-05Hazardous operations 1600Z to 2100Z daily 28 feb thru 01, 05 and 06 mar in area bound by 33-56.00N…Eastern North Pacific · California
- NAVAREA XII 97/242024-02-23 → 2024-02-26Hazardous operations 261900Z to 262200Z feb in area within 33 miles of 33-16.10N 120-19.37WEastern North Pacific · California
- NAVAREA XII 96/242024-02-22 → 2024-02-23Hazardous operations 231800Z to 232200Z feb in area bound by 33-49.71N 119-32.29W, 33-22.68N 119-09.16W,…Eastern North Pacific · California
- HYDROPAC 614/242024-02-22 → 2024-02-28Gunnery exercises 262130Z to 270800Z feb, alternate 272130Z to 280800Z feb in area within 25 miles of…Western North Pacific
- HYDROPAC 600/242024-02-21 → 2024-02-29Hazardous operations 2300Z to 1300Z daily 26 thru 28 feb in areas within five miles of: a. 13-26.00N…Western North Pacific · Guam
- NAVAREA XII 89/242024-02-20 → 2024-02-22Hazardous operations 221800Z to 222200Z feb, alternate 231800Z to 232200Z feb in area bound by 33-49.71N…Eastern North Pacific · United States · California
- NAVAREA XII 86/242024-02-18 → 2024-02-22Hazardous operations 221900Z to 222200Z feb in area within 33 miles of 34-27.00N 121-52.75WEastern North Pacific · California
- HYDROPAC 519/242024-02-14 → 2024-02-15Hazardous operations 142300Z to 151300Z feb in areas within five miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- HYDROPAC 516/242024-02-14 → 2024-02-15Hazardous operations 152300Z to 151300Z feb in areas within five miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 75/242024-02-12 → 2024-02-16Hazardous operations 151900Z to 152359Z feb, alternate 221900Z to 222359Z feb in area within 17 miles of…Eastern North Pacific · California
- NAVAREA XII 73/242024-02-12 → 2024-02-14Hazardous operations 132000Z to 140001Z feb in area within 33 miles of 34-36.11N 122-06.54WEastern North Pacific · California
- NAVAREA XII 64/242024-02-08 → 2024-02-13Hazardous operations 121500Z to 122300Z feb, alternate 1500Z to 2300Z daily 13 thru 15 feb in area bound by…Eastern North Pacific · California
- HYDROPAC 449/242024-02-07 → 2024-02-15Hazardous operations 2300Z to 1300Z daily 12 thru 14 feb in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 53/242024-02-04 → 2024-02-11Hazardous operations 081830Z to 090001Z feb, alternate 091830Z to 100001Z and 101830Z to 110001Z feb in area…Eastern North Pacific · Hawaii
- NAVAREA XII 48/242024-02-01 → 2024-02-06Hazardous operations 061600Z to 061930Z feb in area within 33 miles of 34-33.18N 121-57.48WEastern North Pacific · California
- NAVAREA XII 43/242024-01-31 → 2024-02-09Hazardous operations 030100Z to 090100Z feb in areas: a. in area within 60 feet of 32-49.01N 118-23.98WEastern North Pacific · California
- NAVAREA XII 35/242024-01-30 → 2024-02-01Hazardous operations 010500Z to 010800Z feb in area within 33 miles of 33-13.90N 120-20.00WEastern North Pacific · California
- HYDROPAC 323/242024-01-27 → 2024-02-29Gunnery exercises 2300Z to 0900Z daily 31 jan thru 28 feb in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 33/242024-01-26 → 2024-02-01California 1. hazardous operations 301600Z to 310200Z jan, alternate 311600Z jan to 010200Z feb in area…Eastern North Pacific
- HYDROPAC 316/242024-01-26 → 2024-02-02Hazardous operations 2100Z to 0800Z daily 30 jan thru 01 feb in area within 25 miles of 31-14.23N 144-26.80EWestern North Pacific
- NAVAREA XII 31/242024-01-26 → 2024-02-01California 1. hazardous operations 302000Z to 310100Z jan and 312000Z jan to 010100Z feb in area bound by…Eastern North Pacific
- NAVAREA XII 30/242024-01-25 → 2024-03-01California 1. hazardous operations 010800Z feb to 010800Z mar 24 in area bound by 32-35.00N 117-40.00W,…Eastern North Pacific
- NAVAREA XII 29/242024-01-25 → 2024-03-01California 1. hazardous operations 010800Z feb to 010800Z mar 24 in area bound by 32-58.88N 118-43.52W,…Eastern North Pacific
- NAVAREA XII 28/242024-01-25 → 2024-03-01California 1. hazardous operations 010800Z feb to 010800Z mar 24 in area bound by 32-55.00N 118-15.00W,…Eastern North Pacific
- HYDROPAC 280/242024-01-24 → 2024-02-01Hazardous operations 2300Z to 1355Z daily 29 thru 31 jan in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 20/242024-01-17 → 2024-01-30Hazardous operations 2000Z to 0100Z daily 24 thru 27, 29 to 30 jan in area bound by 32-45.00N 119-05.00W,…Eastern North Pacific · California
- NAVAREA XII 19/242024-01-17 → 2024-01-25Hazardous operations 242000Z to 250100Z jan in area within 33 miles of 33-13.90N 120-20.00WEastern North Pacific · California
- HYDROPAC 199/242024-01-17 → 2024-01-25Hazardous operations 2300Z to 1355Z daily 23 thru 25 jan in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam · Northern Mariana Islands
- NAVAREA XII 14/242024-01-15 → 2024-01-21Hazardous operations 202000Z to 210300Z jan in area bound by 32-45.00N 119-05.00W, 32-37.00N 118-57.00W,…Eastern North Pacific · California
- NAVAREA XII 13/242024-01-13 → 2024-01-19Hazardous operations 182000Z to 190100Z jan in area within 33 miles of 33-13.90N 120-20.00WEastern North Pacific · California
- HYDROPAC 142/242024-01-12 → 2024-01-19Gunnery exercise 172130Z to 180800Z jan, alternate 182130Z to 190800Z in area within 25 miles of 31-14.23N…Western North Pacific
- NAVAREA XII 12/242024-01-12 → 2024-01-18Hazardous operations 170430Z to 170630Z jan, alternate 180430Z to 180630Z jan in area bound by 34-39.03N…Eastern North Pacific · California
- HYDROPAC 41/242024-01-04 → 2024-01-11Hazardous operations 2000Z to 0630Z daily 9 and 10 jan in area bound by 13-10.00N 144-30.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 32/242024-01-03 → 2024-01-11Hazardous operations 2300Z to 1355Z daily 08 thru 10 jan in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 891/232023-12-31 → 2024-01-10Hazardous operations 051900Z to 052359Z jan 24, alternate 091900Z to 092359Z jan 24 in area bound by…Eastern North Pacific · California
- HYDROPAC 4042/232023-12-28 → 2024-01-04Hazardous operations 2300Z to 1355Z daily 02 and 03 jan 24 in areas within five miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 4033/232023-12-27 → 2024-01-31Gunnery exercises 2300Z to 0900Z daily 31 dec 2023 thru 30 jan 2024 in area bound by 28-15.25N 146-29.78E,…Western North Pacific
- NAVAREA XII 888/232023-12-27 → 2024-02-01Hazardous operations 010800Z jan to 010800Z feb 24 in area bound by 32-55.00N 118-25.00W, 32-55.00N…Eastern North Pacific · California
- NAVAREA XII 887/232023-12-27 → 2024-02-01Hazardous operations 010800Z jan to 010800Z feb 24 in area bound by 32-33.00N 118-25.00W, 32-35.00N…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.