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
- NAVAREA XII 42/232023-01-30 → 2023-01-30Hazardous operations: a. 1502Z to 2145Z daily 29 jan thru 02 feb in area bound by 34-40N 120-40W, 34-40N…Eastern North Pacific · California
- HYDROPAC 307/232023-01-28 → 2023-02-28Gunnery exercises 2300Z to 0900Z daily 31 jan to 27 feb in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 40/232023-01-27 → 2023-03-01Hazardous operations 010800Z feb to 010800Z mar in areas bound by: a. 32-33.00N 118-25.00W, 32-35.00N…Eastern North Pacific · California
- NAVAREA XII 38/232023-01-24 → 2023-01-30Hazardous operations: a. 1502Z to 2145Z daily 29 jan thru 02 feb in area bound by 34-40N 120-40W, 34-40N…Eastern North Pacific · California
- HYDROPAC 251/232023-01-23 → 2023-01-26Hazardous operations 2300Z to 1355Z daily 23 thru 26 jan in areas within three miles of: a. 13-26.00N…Western North Pacific · Guam
- NAVAREA XII 35/232023-01-21 → 2023-01-26Hazardous operations 1500Z to 0100Z daily 24 and 25 jan in area within 15 miles of 33-42.00N 119-33.00WEastern North Pacific · California
- NAVAREA XII 30/232023-01-18 → 2023-01-20Hazardous operations 1200Z to 1800Z daily 19 and 20 jan in area bound by 01-46.00N 079-08.00W, 01-46.00N…Eastern North Pacific · Colombia
- NAVAREA XII 29/232023-01-17 → 2023-01-19Hazardous operations: a. 1415Z to 1929Z daily 19 thru 25 jan in area bound by 34-08.00N 120-05.00W,…Eastern North Pacific · California
- NAVAREA XII 25/232023-01-15 → 2023-01-21Hazardous operations 1500Z to 0100Z daily 20 thru 23 jan, alternate 1500Z to 0100Z daily 24 and 25 jan in…Eastern North Pacific · California
- NAVAREA XII 22/232023-01-13 → 2023-01-21Hazardous operations 201500Z to 210100Z jan, alternate 1500Z to 0100Z daily 21 thru 25 jan in area bound by…Eastern North Pacific · California
- NAVAREA XII 21/232023-01-13 → 2023-01-18Hazardous operations 181230Z to 182030Z jan in areas bound by: a. 33-33.95N 120-11.23W, 33-28.48N…Eastern North Pacific · California
- NAVAREA XII 20/232023-01-13 → 2023-01-17Hazardous operations: a. 1333Z to 1746Z daily 18 thru 24 jan in area bound by 34-08.00N 120-05.00W,…Eastern North Pacific · California
- NAVAREA XII 16/232023-01-12 → 2023-01-13Hazardous operations: a. 1443Z to 1827Z daily 15 thru 19 jan in area bound by 34-40.00N 120-40.00W,…Eastern North Pacific · California
- HYDROPAC 136/232023-01-11 → 2023-01-25Hazardous operations 192200Z to 200800Z and 232100Z to 240900Z jan, alternate 202200Z to 210800Z and 2100Z…Western North Pacific
- HYDROPAC 114/232023-01-10 → 2023-01-12Hazardous operations 2300Z to 1355Z daily 09 thru 11 jan in areas within three miles of: a. 13-26.00N…Western North Pacific · Guam
- HYDROPAC 75/232023-01-06 → 2023-01-14Gunnery exercises 102100Z to 110800Z jan, alternate 2100Z to 0800Z daily 11 thru 13 jan in area within 25…Western North Pacific
- NAVAREA XII 5/232023-01-04 → 2023-01-12Hazardous operations: a. 0254Z to 0638Z daily 10 thru 13 jan in area bound by 34-40.00N 120-40.00W, 34-40N…Eastern North Pacific · California
- NAVAREA XII 4/232023-01-04 → 2023-01-04Hazardous operations: a. 0254Z to 0638Z daily 09 thru 13 jan in area bound by 34-40.00N 120-40.00W, 34-40N…Eastern North Pacific · California
- HYDROPAC 19/232023-01-02 → 2023-01-05Hazardous operations 2300Z to 1355Z daily 02 thru 04 jan in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 980/222022-12-27 → 2023-02-01Hazardous operations 010800Z jan 23 to 010800Z feb 23 in areas bound by: a. 32-33.00N 118-25.00W, 32-35.00N…Eastern North Pacific · California
- HYDROPAC 3716/222022-12-27 → 2023-01-31Gunnery exercises 2300Z to 0900Z daily 31 dec thru 30 jan 23 in area bound by 28-15.25N 146-29.78E,…Western North Pacific
- HYDROPAC 3709/222022-12-27 → 2022-12-28Hazardous operations 272200Z to 281355Z dec in areas within: a. three miles of 13-26.00N 145-08.00EWestern North Pacific · Guam
- HYDROPAC 3696/222022-12-26 → 2022-12-27Hazardous operations 262300Z to 271355Z dec in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Guam · Northern Mariana Islands
- HYDROPAC 3618/222022-12-19 → 2022-12-22Hazardous operations 2300Z to 1355Z daily 19 thru 21 dec in areas within three miles of: a. 13-26.00N…Western North Pacific · Guam
- HYDROPAC 3586/222022-12-14 → 2022-12-24Gunnery exercises 2130Z to 0900Z daily 18 thru 23 dec in area within 25 miles of 31-14.15N 144-26.80EWestern North Pacific
- HYDROPAC 3557/222022-12-12 → 2022-12-14Hazardous operations 2300Z to 1355Z daily 12 and 13 dec in areas within: a. three miles of 13-26.00N…Western North Pacific · Guam
- NAVAREA XII 964/222022-12-10 → 2022-12-16Hazardous operations: a. 151116Z to 151238Z dec, alternate 1116Z to 1238Z daily 16 thru 18 dec in area bound…Eastern North Pacific · South Pacific · California
- HYDROPAC 3533/222022-12-10 → 2022-12-16Hazardous operations: a. 151116Z to 151238Z dec, alternate 1116Z to 1238Z daily 16 thru 18 dec in area bound…Eastern North Pacific · South Pacific · California
- NAVAREA XII 961/222022-12-09 → 2022-12-14Hazardous operations 141230Z to 142000Z dec, alternate 1230Z to 2000Z daily 15 and 16 dec in areas bound by:…Eastern North Pacific · California
- HYDROPAC 3495/222022-12-07 → 2022-12-18Gunnery exercises 2300Z to 0900Z daily 11 thru 17 dec in area within 25 miles of 31-14.23N 144-26.80EWestern North Pacific
- NAVAREA XII 955/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 14-45.00N 093-00.00W, 14-40.00N 093-07.00W, 14-33.00N…Eastern North Pacific · Mexico
- NAVAREA XII 954/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 15-42.00N 095-33.00W, 15-37.00N 095-48.00W, 15-21.00N…Eastern North Pacific · Mexico
- NAVAREA XII 953/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 15-25.00N 096-10.00W, 15-25.00N 096-55.00W, 15-15.00N…Eastern North Pacific · Mexico
- NAVAREA XII 952/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 16-20.70N 099-51.70W, 16-28.70N 100-11.00W, 16-15.90N…Eastern North Pacific · Mexico
- NAVAREA XII 951/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 17-08.00N 102-30.00W, 17-08.00N 102-45.00W, 17-00.00N…Eastern North Pacific · Mexico
- NAVAREA XII 950/222022-12-06 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 18-25.00N 104-30.00W, 18-25.00N 104-50.00W, 18-15.00N…Eastern North Pacific · Mexico
- HYDROPAC 3482/222022-12-06 → 2022-12-11Gunnery exercises 102300Z to 110900Z dec in area within 25 miles of 31-14.15N 144-26.80EWestern North Pacific
- NAVAREA XII 943/222022-12-05 → 2022-12-11Hazardous operations 07 thru 10 dec in area bound by 21-04.00N 106-09.00W, 21-14.00N 106-09.00W, 21-14.00N…Eastern North Pacific · Mexico
- HYDROPAC 3457/222022-12-05 → 2022-12-08Hazardous operations 2300Z to 1355Z daily 05 thru 07 dec in areas within: a. three miles of 13-26.00N…Western North Pacific · Guam
- NAVAREA XII 937/222022-12-04 → 2022-12-10Hazardous operations 091400Z to 092200Z dec, alternate 1400Z to 2200Z daily 12 and 13 dec in area bound by…Eastern North Pacific
- NAVAREA XII 936/222022-12-04 → 2022-12-10Hazardous operations 091400Z to 092200Z dec, alternate 1400Z to 2200Z daily 12 and 13 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 935/222022-12-04 → 2022-12-10Hazardous operations 091400Z to 092200Z dec, alternate 1400Z to 2200Z daily 12 and 13 dec in area bound by…Eastern North Pacific
- NAVAREA XII 928/222022-12-01 → 2022-12-07Hazardous operations 061730Z to 062230Z, alternate 071730Z to 072230Z dec in area bound by 33-27.80N…Eastern North Pacific · California
- HYDROPAC 3413/222022-11-30 → 2022-12-02Gunnery exercises 012100Z to 020001Z dec in area within ten miles of 22-42.00N 166-00.00ENorth Pacific
- HYDROPAC 3387/222022-11-28 → 2022-12-01Hazardous operations 2300Z to 1355Z daily 29 and 30 nov in areas within: a. three miles of 13-26.00N…Western North Pacific · Guam
- NAVAREA XII 915/222022-11-26 → 2023-01-01Hazardous operations 010800Z dec thru 010800Z jan 23 in area bound by 32-35.00N 117-40.00W, 32-35.00N…Eastern North Pacific · California
- NAVAREA XII 914/222022-11-26 → 2023-01-01Hazardous operations 010800Z dec thru 010800Z jan 23 in area bound by 32-55.00N 118-25.00W, 32-55.00N…Eastern North Pacific · California
- NAVAREA XII 913/222022-11-26 → 2023-01-01Hazardous operations 010800Z dec 22 to 010800Z jan 23 in area bound by 32-52.70N 119-11.97W, 33-08.07N…Eastern North Pacific · California
- NAVAREA XII 912/222022-11-26 → 2022-12-02Hazardous operations 010800Z dec 22 thru 010800Z jan 23 in areas: a. anchor 1: 15FT, 32-47.63N 118-25.82W b.…Eastern North Pacific · California
- HYDROPAC 3375/222022-11-26 → 2022-12-31Gunnery exercises 2300Z to 0900Z daily 30 nov thru 30 dec in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
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.