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 · 28 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 · 28 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 4109/182018-11-14 → 2018-11-15Hazardous operations 142200Z to 150700Z nov in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 499/182018-11-13 → 2018-11-14Hazardous operations 121700Z to 130100Z, 131700Z to 140100Z nov in area bound by 33-50N 121-05W, 33-11N…Eastern North Pacific · California
- HYDROPAC 4052/182018-11-10 → 2018-11-16Gunnery exercises 142200Z to 150800Z nov, alternate 152200Z to 160800Z nov in area within 25 miles of…Western North Pacific
- NAVAREA XII 493/182018-11-09 → 2018-11-11Gunnery exercises 101800Z to 110100Z nov in area within ten miles of 57-54.2N 137-22.4WEastern North Pacific · Alaska
- NAVAREA XII 490/182018-11-07 → 2018-11-10Hazardous operations 1300Z to 0100Z commencing daily 08 and 09 nov in area bound by 33-49N 120-06W, 33-47N…Eastern North Pacific · California
- NAVAREA XII 489/182018-11-07 → 2018-11-08Hazardous operations 071300Z to 080100Z nov in area bound by 34-14N 122-16W, 32-25N 120-10W, 32-53N 119-37W,…Eastern North Pacific · California
- HYDROPAC 4005/182018-11-06 → 2018-11-07Hazardous operations 070800Z to 071000Z nov in: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 484/182018-11-06 → 2018-11-22Hazardous operations 11 thru 21 nov in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- HYDROPAC 3991/182018-11-05 → 2018-11-06Hazardous operations 060800Z to 061130Z nov in: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 476/182018-11-04 → 2018-11-18Hazardous operations 1900Z to 2330Z daily 10, 12 and 13 thru 17 nov in area bound by 33-19-20N 118-36-56W,…Eastern North Pacific · California
- HYDROPAC 3964/182018-11-02 → 2018-11-07Hazardous operations: a. 070631Z to 071428Z nov, alternate 080631Z to 081428Z nov in area bound by 15-10N…North Pacific
- NAVAREA XII 472/182018-11-02 → 2018-11-07Hazardous operations 070631Z to 071338Z nov, alternate 080631Z to 081338Z nov in areas bound by: a. 34-15N…Eastern North Pacific · California
- HYDROPAC 3963/182018-11-02 → 2018-11-07Hazardous operations 070700Z to 071401Z nov, alternate 080700Z to 081401Z nov in area bound by 09-17N…North Pacific
- NAVAREA XII 471/182018-11-02 → 2018-11-06Hazardous operations 052100Z to 060001Z nov in area within 50 miles of 33-06N 120-36WEastern North Pacific · California
- HYDROPAC 3892/182018-10-27 → 2018-11-30Gunnery exercises 2300Z to 0900Z commencing daily 31 oct thru 29 nov in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 444/182018-10-21 → 2018-10-26Hazardous operations 261030Z to 261600Z oct, alternate 271030Z to 271600Z and 281030Z to 281600Z oct in area…North Pacific · Hawaii
- NAVAREA XII 443/182018-10-21 → 2018-10-26Hazardous operations 261600Z to 262200Z oct in area bound by 33-06N 120-35W, 31-59N 121-47W, 32-44N 123-27W,…Eastern North Pacific · California
- NAVAREA XII 440/182018-10-20 → 2018-10-28Hazardous operations 251300Z to 260100Z oct, alternate 271300Z to 280100Z oct in area within nine miles of…Eastern North Pacific · California
- NAVAREA XII 436/182018-10-18 → 2018-10-29Hazardous operations: a. 220701Z to 290659Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 422/182018-10-05 → 2018-10-13Hazardous operations 101300Z to 110100Z oct, 1300Z to 0100Z commencing daily 11 and 12 oct in area bound by…Eastern North Pacific · California
- NAVAREA XII 421/182018-10-05 → 2018-10-15Hazardous operations: a. 080700Z to 150700Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 3623/182018-10-03 → 2018-10-13Gunnery exercises 2100Z to 0900Z commencing daily 07 to 11 oct, alternate 122100Z to 130900Z oct in area…Western North Pacific
- NAVAREA XII 413/182018-09-28 → 2018-10-05Hazardous operations 021300Z to 030100Z oct, alternate 1300Z to 0100Z commencing daily 03 and 04 oct in area…Eastern North Pacific · California
- HYDROPAC 3535/182018-09-26 → 2018-10-31Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 409/182018-09-26 → 2018-11-01Hazardous operations 010700Z oct to 010659Z nov in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 405/182018-09-20 → 2018-09-22Gunnery and pyrotechnic exercises 211600Z to 220001Z sep in area within 14 miles of 57-48.0N 137-25.3WEastern North Pacific · Alaska
- NAVAREA XII 404/182018-09-18 → 2018-09-21Hazardous operations 201900Z to 202300Z sep in area bound by 33-05N 118-43W, 33-10N 118-48W, 33-17N 118-37W,…Eastern North Pacific · California
- NAVAREA XII 401/182018-09-18 → 2018-09-20Gunnery exercises 190200Z to 190600Z sep, alternate 200200Z to 200600Z sep in area within 16 miles of 33-38N…Eastern North Pacific · California
- NAVAREA XII 384/182018-09-11 → 2018-09-16Hazardous operations 152115Z to 160015Z sep in area bound by 33-29N 121-26W, 33-55N 119-43W, 33-35N 119-14W,…Eastern North Pacific · California
- NAVAREA XII 382/182018-09-11 → 2018-09-15Hazardous operations 141800Z to 142300Z sep, 33-55N 119-11W, 33-23N 119-11W, 33-18N 119-52W, 33-49N 120-04WEastern North Pacific · California
- NAVAREA XII 380/182018-09-10 → 2018-09-15Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…Eastern North Pacific
- NAVAREA XII 375/182018-09-06 → 2018-09-22Hazardous operations 11 thru 21 sep in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…Eastern North Pacific · Mexico
- NAVAREA XII 369/182018-09-03 → 2018-09-15Hazardous operations 071700Z to 080030Z sep, alternate 081700Z to 090030Z, 111700Z to 112300Z, 131700Z to…Eastern North Pacific · California
- NAVAREA XII 365/182018-08-30 → 2018-09-05Hazardous operations 311400Z aug to 010200Z sep, alternate 041400Z to 050200Z sep in area within 13 miles of…Eastern North Pacific · California
- NAVAREA XII 363/182018-08-27 → 2018-08-30Hazardous operations 291800Z to 292300Z aug in area bound by 33-55N 119-11W, 33-23N 119-11W, 33-18N 119-52W,…Eastern North Pacific · California
- HYDROPAC 3136/182018-08-27 → 2018-09-30Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- NAVAREA XII 361/182018-08-27 → 2018-10-01Hazardous operations 010700Z sep to 010659Z oct in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 351/182018-08-22 → 2018-08-28Hazardous operations 271900Z to 280200Z aug in area bound by 33-06N 120-35W, 31-59N 121-47W, 32-44N 123-27W,…Eastern North Pacific · California
- NAVAREA XII 346/182018-08-18 → 2018-08-18Hazardous operations, 181300Z to 181900Z aug in area bound by 33-44.24N 119-15.36W, 33-03.00N 119-15.36W,…Easter North Pacific · United States
- NAVAREA XII 345/182018-08-17 → 2018-08-27Hazardous operations: a. 200701Z to 270659Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 339/182018-08-15 → 2018-08-17Hazardous operations 201900Z to 210200Z aug in area bound by 33-06N 120-35W, 31-59N 121-47W, 32-44N 123-27W,…Eastern North Pacific · California
- NAVAREA XII 337/182018-08-14 → 2018-08-17Hazardous operations 1300Z to 1900Z daily 16 and 17 aug in area bound by 33-50N 120-00W, 33-50N 119-30W,…Eastern North Pacific · California
- NAVAREA XII 336/182018-08-14 → 2018-08-20Hazardous operations 181700Z to 190030Z aug, alternate 191700Z to 200030Z aug in area bound by 33-18N…Eastern North Pacific · California
- NAVAREA XII 329/182018-08-10 → 2018-08-20Hazardous operations: a. 130701Z to 200659Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 324/182018-08-06 → 2018-08-22Hazardous operations 11 thru 21 aug in area bound by 15-21.0N 093-44.5W, 15-28.5N 093-58.5W, 15-34.0N…Eastern North Pacific · Mexico
- NAVAREA XII 316/182018-08-03 → 2018-08-13Hazardous operations: a. 060700Z to 130700Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 314/182018-08-03 → 2018-08-12Hazardous operations 081700 to 090100Z aug, alternate 091700Z to 100100Z, alternate 101700Z to 110100Z and…Eastern North Pacific · California
- NAVAREA XII 311/182018-08-03 → 2018-08-03Hazardous operations 091700Z to 100100Z aug, alternate 101700Z to 110100Z and 111700Z to 120100Z aug in area…Eastern North Pacific · California
- NAVAREA XII 310/182018-08-03 → 2018-08-12Hazardous operations 071300Z to 080100Z aug, alternate 081300Z to 090100Z, 091300Z to 100100Z, 101300Z to…Eastern North Pacific · California
- NAVAREA XII 308/182018-07-31 → 2018-08-05Hazardous operations 010900Z to 011700Z and 031300Z to 040100Z aug, alternate 041300Z to 050100Z aug in area…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.