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 · 30 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 · 30 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 · 30 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 2073/222022-07-30 → 2022-08-04Hazardous operations: a. 0631Z to 1431Z daily 04 thru 08 aug in area bound by 15-24.00N 177-15.00E,…North Pacific
- NAVAREA XII 518/222022-07-30 → 2022-08-04Hazardous operations: a. 0631Z to 1337Z daily 04 thru 08 aug in area bound by 34-56.00N 121-24.00W,…Eastern North Pacific · California
- HYDROPAC 2072/222022-07-30 → 2022-08-05Hazardous operations 040700Z to 041409Z aug, alternate 050700Z to 051409Z aug in area bound by 10-13.00N…North Pacific · Marshall Islands
- NAVAREA XII 517/222022-07-29 → 2022-08-04Hazardous operations 041500Z to 050100Z aug, alternate 051500Z to 060100Z and 061500Z to 070100Z aug in area…Eastern North Pacific · California
- NAVAREA XII 513/222022-07-29 → 2022-08-04Hazardous operations 021400Z to 021930Z and 031400Z to 032359Z aug in area bound by 33-27.80N 119-50.60W,…Eastern North Pacific · California
- NAVAREA XII 512/222022-07-29 → 2022-09-01California 1. hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.97W,…Eastern North Pacific · Mexico
- NAVAREA XII 509/222022-07-28 → 2022-09-01Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 508/222022-07-28 → 2022-09-01Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- HYDROPAC 2053/222022-07-27 → 2022-08-31Gunnery exercise 2300Z to 0900Z daily 31 jul thru 29 sep in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- HYDROPAC 2049/222022-07-27 → 2022-07-28Hazardous operations 270200Z to 280800Z jul in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · Guam
- HYDROPAC 2016/222022-07-24 → 2022-07-28Gunnery exercises 2300Z to 1355Z daily 24 thru 27 jul in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 496/222022-07-22 → 2022-07-27Hazardous operations 262145Z to 262315Z jul in area bound by 33-00.00N 118-20.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 487/222022-07-20 → 2022-07-28Hazardous operations 1500Z to 0100Z daily 23 and 25 jul, alternate 1500Z to 0100Z daily 26 and 27 jul in…Eastern North Pacific · California
- NAVAREA XII 481/222022-07-19 → 2022-07-19Hazardous operations 191600Z to 200100Z jul, alternate 1600Z to 0100Z daily 20 thru 23 jul in area bound by…Eastern North Pacific · California
- NAVAREA XII 480/222022-07-18 → 2022-07-19Hazardous operations 192100Z to 192230Z jul in area bound by 33-05.50N 118-37.18W, 33-05.50N 118-25.50W,…Eastern North Pacific · California
- NAVAREA XII 477/222022-07-17 → 2022-07-27Hazardous operations 221500Z to 230100Z and 241500Z to 250100Z jul, alternate 251500Z to 260100Z and 261500Z…Eastern North Pacific · California
- NAVAREA XII 476/222022-07-17 → 2022-07-20Hazardous operations 201500Z to 210100Z jul, alternate 1500Z to 0100Z daily 21 thru 26 jul in area bound by…Eastern North Pacific · California
- NAVAREA XII 472/222022-07-16 → 2022-07-22Hazardous operations 1659Z to 2229Z daily 21 thru 24 jul in areas bound by: a. 33-29.00N 120-39.00W,…Eastern North Pacific · California
- NAVAREA XII 464/222022-07-14 → 2022-07-19Hazardous operations: a. 181900Z to 190100Z jul, alternate 191900Z to 20100Z and 1500Z to 0100Z daily 19…Eastern North Pacific · California
- HYDROPAC 1905/222022-07-13 → 2022-07-14Gunnery exercises 122200Z to 130900Z and 132200Z to 140900Z jul in area bound by 13-07.20N 144-34.65E,…Western North Pacific · Guam
- NAVAREA XII 459/222022-07-12 → 2022-07-18Hazardous operations 161500Z to 170001ZZ jul in area bound by 33-46.00N 119-26.00W, 33-42.00N 119-56.00W,…Eastern North Pacific · California
- HYDROPAC 1874/222022-07-10 → 2022-07-15Gunnery exercises 102300Z to 111355Z, 112300Z to 121355Z, 122300Z to 131355Z and 132300Z to 141355Z in areas…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 451/222022-07-09 → 2022-07-12Hazardous operations 121600Z to 122300Z jul, alternate 141600Z to 142300Z jul in area bound by 33-08.28N…Eastern North Pacific · California
- NAVAREA XII 436/222022-07-06 → 2022-07-27Hazardous operations sunrise to sunset daily 11 thru 27 jul in area bound by 22-00.00N 159-47.00W, 21-50.00N…North Pacific · Hawaii
- NAVAREA XII 435/222022-07-06 → 2022-07-11Hazardous operations 110030Z to 110639Z jul, alternate 0030Z to 0639Z daily 12 thru 15 jul in areas bound…Eastern North Pacific · California
- HYDROPAC 1823/222022-07-05 → 2022-07-07Gunnery exercises 052300Z to 061355Z and 062300Z to 071355Z jul in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 432/222022-07-04 → 2022-07-09Hazardous operations 091130Z to 092000Z jul, alternate 131130Z to 132000Z jul in areas bound by: a.…Eastern North Pacific · California
- HYDROPAC 1811/222022-07-03 → 2022-07-07Hazardous operations, 070600Z to 071258Z jul, alternate 080600Z to 081258Z jul in areas bound by: a.…North Pacific · Marshall Islands
- NAVAREA XII 431/222022-07-03 → 2022-07-07California 1. hazardous operations 0531Z to 1234Z daily 07 thru 11 jul in areas bound by: a. 34-47.00N…Eastern North Pacific
- NAVAREA XII 423/222022-06-28 → 2022-06-30California 1. hazardous operations 291600Z to 292300Z jun, alternate 301600Z to 302300Z jun and 011600Z to…Eastern North Pacific
- NAVAREA XII 422/222022-06-28 → 2022-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 421/222022-06-28 → 2022-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 420/222022-06-28 → 2022-08-01Hazardous operations 010800Z jul to 010800Z aug in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- HYDROPAC 1765/222022-06-27 → 2022-06-29Hazardous operations 0001Z to 0400Z daily 28 and 29 jun in area bound by 12-50.00N 144-45.00E, 13-10.00N…Western North Pacific · Guam
- HYDROPAC 1748/222022-06-25 → 2022-06-30Gunnery operations 2300Z to 1355Z daily 26 thru 30 jun in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 411/222022-06-24 → 2022-06-28California 1. hazardous operations 291600Z to 292300Z jun, alternate 301600Z to 302300Z jun and 011600Z to…Eastern North Pacific
- HYDROPAC 1687/222022-06-19 → 2022-06-23Hazardous operations 2300Z to 1355Z daily 19 thru 22 jun in areas within three miles of: a. 13-26.00N…Philippine Sea · Western North Pacific · Guam
- HYDROPAC 1616/222022-06-12 → 2022-06-16Gunnery exercises 2300Z to 1355Z daily 12 thru 15 jun in areas within three miles of: a. 13-26.00N 145-08.00EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 370/222022-06-08 → 2022-06-19Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…North Pacific
- HYDROPAC 1587/222022-06-08 → 2022-06-19Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…North Pacific
- HYDROPAC 1566/222022-06-05 → 2022-06-09Gunnery operations 2300Z to 1355Z daily 05 thru 08 jun in areas within three miles of: a. 13-26.00N 145-08.00EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 1520/222022-05-31 → 2022-06-02Gunnery exercises 312300Z may to 011355Z jun and 012300Z to 021355Z jun in areas within three miles of: a.…Philippine Sea · Western North Pacific · Guam
- NAVAREA XII 346/222022-05-28 → 2022-06-01Hazardous operations 021400Z to 022359Z jun, alternate 031400Z to 032359Z jun in area within 60 miles of…Eastern North Pacific · California
- HYDROPAC 1480/222022-05-27 → 2022-07-31Gunnery exercises 2300Z to 0900Z daily 31 may thru 30 jul in area bound by 28-15.25N 146-29.78E, 27-55.25N…Western North Pacific
- NAVAREA XII 342/222022-05-27 → 2022-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…Eastern North Pacific · California
- NAVAREA XII 341/222022-05-27 → 2022-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Eastern North Pacific · California
- NAVAREA XII 340/222022-05-27 → 2022-07-01Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Eastern North Pacific · California
- NAVAREA XII 339/222022-05-27 → 2022-06-01Hazardous operations 011400Z to 012359Z jun, alternate 1400Z to 2359Z daily 02 and 03 jun in area bound by…Eastern North Pacific · California
- NAVAREA XII 338/222022-05-26 → 2022-06-01California 1. hazardous operations 311400Z to 312359Z may, alternate 1400Z to 2359Z daily 01 thru 03 jun in…Eastern North Pacific
- HYDROPAC 1449/222022-05-24 → 2022-05-25Hazardous operations 241500Z to 251355Z may in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-42.00E,…Western North Pacific · 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.