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 · 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 · 4,615 cancelled
- HYDROPAC 225/222022-01-27 → 2022-03-31Gunnery 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 42/222022-01-27 → 2022-02-01Hazardous operations 011700Z to 012100Z feb in area bound by 20-41N 158-04W, 18-49N 158-26W, 19-06N 159-16W,…Eastern North Pacific · Hawaii
- NAVAREA XII 41/222022-01-27 → 2022-01-27Hazardous operations 010700Z to 011100Z feb in area bound by 20-41N 158-04W, 18-49N 158-26W, 19-06N 159-16W,…Eastern North Pacific · Hawaii
- HYDROPAC 164/222022-01-20 → 2022-01-26Gunnery exercises 242200Z to 250900Z, alternate 252200Z to 260900Z jan in area within 25 miles of 31-14-14N…Western North Pacific
- NAVAREA XII 26/222022-01-19 → 2022-01-27Hazardous operations 1430Z to 2100Z daily 24 and 26 jan, alternate 271430Z to 272100Z jan in area bound by…Eastern North Pacific · California
- NAVAREA XII 25/222022-01-19 → 2022-01-27Hazardous operations 1430Z to 2100Z daily 24 and 26 jan, alternate 271430Z to 272100Z jan in area bound by…Eastern North Pacific · California
- NAVAREA XII 23/222022-01-18 → 2022-01-22Hazardous operations 211945Z to 220100Z jan in area bound by 33-13.9N 122-18.9W, 33-48.4N 120-30.0W,…Eastern North Pacific · California
- NAVAREA XII 20/222022-01-16 → 2022-01-21Hazardous operations 211700Z to 212030Z jan in area bound by 34-09.96N 121-29.55W, 33-35.54N 119-24.94W,…Eastern North Pacific · California
- NAVAREA XII 16/222022-01-15 → 2022-01-16Hazardous operations 191800Z to 192230Z jan, alternate 211700Z to 212030Z jan in area bound by 34-09.96N…Eastern North Pacific · California
- HYDROPAC 47/222022-01-06 → 2022-01-15Hazardous operations 2130Z to 0800Z daily 10 thru 14 jan in area within 25 miles of 31-14-14N 144-26-48EWestern North Pacific
- HYDROPAC 45/222022-01-06 → 2022-01-06Hazardous operations 2130Z to 0800Z daily 10 thru 14 jan in area within 12 miles of 31-14-14N 144-26-48EWestern North Pacific
- HYDROPAC 16/222022-01-03 → 2022-01-06Hazardous operations 2300Z to 1355Z daily 03 thru 05 jan in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 725/212021-12-27 → 2022-02-01Hazardous operations 010800Z jan 22 to 010800Z feb 22 in area bound by 32-52-42N 119-11-58W, 33-08-04N…Eastern North Pacific · California
- NAVAREA XII 724/212021-12-27 → 2022-02-01Hazardous operations 010800Z jan 22 to 010800Z feb 22 in area bound by 32-33N 118-25W, 32-35N 118-16W,…Eastern North Pacific · California
- NAVAREA XII 723/212021-12-27 → 2022-02-01Hazardous operations 010800Z jan 22 to 010800Z feb 22 in area bound by 32-55N 118-25W, 32-55N 118-15W,…Eastern North Pacific · California
- HYDROPAC 3737/212021-12-27 → 2021-12-31Hazardous operations 2300Z to 1355Z daily 27 thru 30 dec in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 3677/212021-12-20 → 2021-12-23Hazardous operations 2300Z to 1355Z daily 20 thru 22 dec in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 706/212021-12-16 → 2021-12-20Hazardous operations 1017Z to 1450Z daily 18 thru 20 dec in area bound by 49-00N 179-00W, 51-38N 175-30W,…North Pacific · Bearing Sea · Alaska
- NAVAREA XII 705/212021-12-16 → 2021-12-20Hazardous operations 0818Z to 1352Z daily 18 thru 20 dec in area bound by 34-34N 120-39W, 34-40N 120-39W,…Eastern North Pacific · California
- NAVAREA XII 700/212021-12-14 → 2021-12-15Hazardous operations in progress until 151500Z dec in area within one mile of 21-17-29N 157-59-14WEastern North Pacific · Hawaii
- NAVAREA XII 697/212021-12-12 → 2021-12-16Hazardous operations 1023Z to 1512Z daily 17 and 18 dec in area bound by 49-00N 179-00W, 51-38N 175-30W,…North Pacific · Bearing Sea · Alaska
- NAVAREA XII 696/212021-12-12 → 2021-12-16Hazardous operations 0824Z to 1414Z daily 17 and 18 dec in area bound by 34-34N 120-39W, 34-40N 120-39W,…Eastern North Pacific · California
- HYDROPAC 3585/212021-12-12 → 2021-12-17Gunnery exercises 152200Z to 160900Z dec, alternate 162200Z to 170900Z dec in area within 25 miles of…Western North Pacific
- NAVAREA XII 692/212021-12-09 → 2021-12-16Hazardous operations 141600Z to 142300Z dec, alternate 1600Z to 2300Z daily 15 and 16 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 687/212021-12-06 → 2021-12-08Hazardous operations 081400Z to 090100Z dec, alternate 091400Z to 100100Z and 101400Z to 110100Z dec in area…Eastern North Pacific · California
- HYDROPAC 3518/212021-12-06 → 2021-12-09Hazardous operations 2300Z to 1355Z daily 05 thru 08 dec in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 683/212021-12-03 → 2021-12-07Hazardous operations 071600Z to 080001Z dec, alternate 1600Z to 0001Z daily 09 thru 12 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 681/212021-12-03 → 2021-12-07Hazardous operations 071600Z to 080001Z dec, alternate 1600Z to 0001Z daily 09 thru 12 dec in area bound by…Eastern North Pacific · California
- NAVAREA XII 678/212021-11-29 → 2021-12-05Hazardous operations 020700Z to 021530Z, 031430Z to 040330Z and 041430Z to 050330Z dec in area bound by…Eastern North Pacific · California
- HYDROPAC 3404/212021-11-26 → 2022-01-31Gunnery exercises 2300Z to 0900Z daily 30 nov thru 30 jan 22 in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 675/212021-11-26 → 2022-01-01Hazardous operations 010800Z dec to 010800Z jan 22 in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 674/212021-11-26 → 2022-01-01Hazardous operations 010800Z dec to 010800Z jan 22 in area bound by 32-52-42N 119-11-58W, 33-08-04N…Eastern North Pacific · California
- NAVAREA XII 673/212021-11-26 → 2022-01-01Hazardous operations 010800Z dec to 010800Z jan 22 in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 672/212021-11-26 → 2021-12-05Hazardous operations 301500Z to 302359Z nov, alternate 010001Z to 010100Z dec, 1500Z to 0100Z daily 01 thru…Eastern North Pacific · California
- HYDROPAC 3352/212021-11-21 → 2021-11-25Hazardous operations 2300Z to 1355Z daily 21 thru 24 nov in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 659/212021-11-20 → 2021-11-24Hazardous operations: a. 0543Z to 0702Z daily 24 thru 26 nov in area bound by 34-40N 120-40W, 34-40N…Eastern North Pacific · California
- NAVAREA XII 658/212021-11-19 → 2021-11-22Hazardous operations 221800Z to 222200Z nov in area bound by 34-09-59N 122-37-18W, 34-19-48N 121-12-09W,…Eastern North Pacific · California
- NAVAREA XII 654/212021-11-18 → 2021-11-24Hazardous operations 232000Z to 240001Z nov, alternate 241530Z to 241930Z nov in area bound by 33-20-50N…Eastern North Pacific · California
- NAVAREA XII 648/212021-11-16 → 2021-11-18Hazardous operations 181600Z to 190100Z nov, alternate 191600Z to 200100Z and 201600Z to 210100Z nov in area…Eastern North Pacific · California
- NAVAREA XII 645/212021-11-14 → 2021-11-18Hazardous operations 181600Z to 190100Z nov, alternate 191600Z to 200100Z and 201600Z to 210100Z nov in area…Eastern North Pacific · California
- HYDROPAC 3255/212021-11-11 → 2021-11-30Gunnery exercises 152300Z to 160900Z nov, alternate 2300Z to 0900Z daily 16 thru 29 nov in area bound by…Western North Pacific
- NAVAREA XII 633/212021-11-08 → 2021-11-10Gunnery exercises 091900Z to 100001Z nov in area within 11 miles of 51-14N 174-50WNorth Pacific · Alaska
- HYDROPAC 3200/212021-11-08 → 2021-11-09Hazardous operations 082200Z to 090630Z nov in area bound by 13-07.20N 144-34.65E, 13-07.20N 144-40.85E,…Western North Pacific · Guam
- HYDROPAC 3182/212021-11-06 → 2021-11-11Hazardous operations 2300Z to 1355Z daily 07 thru 10 nov in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 624/212021-11-03 → 2021-11-10Hazardous operations 081600Z to 090100Z nov, alternate 091600Z to 100100Z and 101600Z to 110100Z nov in area…Eastern North Pacific · California
- NAVAREA XII 623/212021-11-03 → 2021-11-10Hazardous operations 081600Z to 090100Z nov, alternate 091600Z to 100100Z and 101600Z to 110100Z nov in area…Eastern North Pacific · California
- NAVAREA XII 619/212021-10-30 → 2021-11-05Hazardous operations 041900Z to 050001Z nov in area bound by 33-37-30N 120-01-00W, 33-25-38N 119-47-00W,…Eastern North Pacific · California
- HYDROPAC 3046/212021-10-25 → 2021-10-28Hazardous operations 2300Z to 1355Z daily 24 thru 27 oct in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 608/212021-10-22 → 2021-10-27Hazardous operations 1700Z to 2300Z daily 27 thru 29 oct in area bound by 33-54N 119-52W, 33-24N 119-24W,…Eastern North Pacific · California
- HYDROPAC 2953/212021-10-16 → 2021-10-21Hazardous operations 2300Z to 1355Z daily 17 thru 20 oct in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
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.