Military exercises in the North Pacific Ocean
Gunnery, firing and naval exercise areas.
- in force
- 6
- last 12 months
- 20
- vs previous 12 (30)
- -33%
- since 1993
- 4,626
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 · 4,620 cancelled
- NAVAREA XII 502/172017-11-11 → 2017-11-18Hazardous operations 16 and 17 nov in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…Eastern North Pacific · Mexico
- NAVAREA XII 501/172017-11-11 → 2017-11-13Hazardous operations 161300Z to 162000Z nov, alternate 1300Z to 2000Z daily 17, 18, 20 and 21 nov in area…Eastern North Pacific · California
- HYDROPAC 3854/172017-11-08 → 2017-11-09Hazardous operations 090001Z to 090500Z nov in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3832/172017-11-07 → 2017-11-08Hazardous operations 080400Z to 081100Z nov in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 494/172017-11-02 → 2017-11-13Hazardous operations: a. 060700Z to 130700Z nov in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 493/172017-11-02 → 2017-11-08Hazardous operations 072000Z to 080300Z nov in area bound by 33-35N 120-36W, 33-25N 120-14W, 32-59N 120-28W,…Eastern North Pacific · California
- HYDROPAC 3697/172017-10-29 → 2017-10-30Hazardous operations 292100Z to 301000Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3687/172017-10-28 → 2017-10-29Hazardous operations 290400Z to 291359Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3674/172017-10-27 → 2017-11-30Gunnery exercises 2300Z to 0900Z commencing daily 31 oct thru 29 nov in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- NAVAREA XII 478/172017-10-26 → 2017-10-31Hazardous operations 311300Z to 311900Z oct in area within 26 miles of 33-04N 120-43WEastern North Pacific · California
- NAVAREA XII 477/172017-10-26 → 2017-10-31Hazardous operations 312052Z to 312306Z oct, alternate 2052Z to 2306Z daily 01 thru 03 nov in areas bound…Eastern North Pacific · California
- HYDROPAC 3649/172017-10-26 → 2017-10-27Hazardous operations 270030Z to 271200Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3622/172017-10-24 → 2017-10-25Hazardous operations 242230Z to 251000Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3612/172017-10-23 → 2017-10-24Hazardous operations 232230Z to 240700Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3605/172017-10-22 → 2017-10-30Gunnery exercises 2100Z to 0900Z commencing daily 26 thru 28 oct, alternate 292100Z to 300900Z oct in area…Western North Pacific
- HYDROPAC 3602/172017-10-22 → 2017-10-23Hazardous operations 222230Z to 230700Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 468/172017-10-20 → 2017-10-23Hazardous operations 221400Z to 222300Z oct in area bound by 33-07-25N 118-29-34W, 32-49-34N 118-08-38W,…Eastern North Pacific · California
- NAVAREA XII 456/172017-10-13 → 2017-10-19Hazardous operations 1400Z to 1900Z daily 18 and 19 oct in area bound by 33-02-30N 118-43-30W, 32-58-48N…Eastern North Pacific · California
- NAVAREA XII 455/172017-10-13 → 2017-10-23Hazardous operations: a. 160700Z to 230700Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 442/172017-10-05 → 2017-10-16Hazardous operations: a. 090700Z to 160700Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 3392/172017-10-04 → 2017-10-05Hazardous operations 050200Z to 050800Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 439/172017-10-04 → 2017-10-10Hazardous operations 091201Z to 091336Z oct, alternate 101201Z to 101336Z oct in area bound by 33-00N…Eastern North Pacific · California
- HYDROPAC 3381/172017-10-03 → 2017-10-04Hazardous operations 040200Z to 040800Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 438/172017-10-01 → 2017-10-09Hazardous operations: a. 020701Z to 090659Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- NAVAREA XII 435/172017-09-29 → 2017-10-06Hazardous operations 051614Z to 051829Z oct, alternate 061614Z to 061829Z oct in area bound by 12-58N…Eastern North Pacific
- HYDROPAC 3301/172017-09-26 → 2017-10-31Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- NAVAREA XII 431/172017-09-25 → 2017-11-01Hazardous operations 010701Z oct to 010659Z nov in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 425/172017-09-22 → 2017-09-24Gunnery and pyrotechnic operations 231600Z to 240001Z sep in area within 21 miles of 54-13N 158-10WEastern North Pacific · Alaska
- NAVAREA XII 423/172017-09-21 → 2017-10-02Hazardous operations: a. 250700Z sep to 020700Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Pacific · California
- HYDROPAC 3248/172017-09-21 → 2017-10-01Gunnery exercises 2000Z to 1500Z commencing daily 25 thru 30 sep in area within 25 miles 31-14-14N 144-26-48EWestern North Pacific
- NAVAREA XII 420/172017-09-20 → 2017-09-21Gunnery and pyrotechnic operations 201600Z to 210001Z sep in area within 16 miles of 51-40N 163-50WNorth Pacific
- HYDROPAC 3228/172017-09-19 → 2017-09-20Hazardous operations 200330Z to 201200Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 419/172017-09-18 → 2017-09-20Gunnery and pyrotechnic operations 191600Z to 192359Z in area within 16 miles of 47-30N 169-25WNorth Pacific
- NAVAREA XII 411/172017-09-17 → 2017-10-01Hazardous operations 21 thru 31 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 407/172017-09-14 → 2017-09-21Hazardous operations 211600Z to 211900Z sep in area bound by 29-55N 118-25W, 29-55N 116-11W, 30-55N 116-40W,…Eastern North Pacific · Mexico
- NAVAREA XII 406/172017-09-14 → 2017-09-20Hazardous operations 191600Z to 191800Z, 192030Z to 192200Z and 200100Z to 200230Z sep in area bound by…Eastern North Pacific · Mexico
- NAVAREA XII 404/172017-09-13 → 2017-09-15Gunnery exercises 141900Z to 150001Z sep in area within 11 miles of 47-34N 154-07WEastern North Pacific
- HYDROPAC 3132/172017-09-13 → 2017-09-14Hazardous operations 132230Z to 140700Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 3117/172017-09-12 → 2017-09-13Hazardous operations 122230Z to 130700Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 400/172017-09-11 → 2017-09-14Gunnery exercises 141700Z to 142100Z sep in area within 11 miles of 47-34N 154-07WEastern North Pacific
- NAVAREA XII 399/172017-09-11 → 2017-09-13Gunnery exercises 131800Z to 132000Z sep in area within 12 miles of 57-55.03N 137-20.47WEastern North Pacific · Alaska
- HYDROPAC 3104/172017-09-11 → 2017-09-18Gunnery exercises 2100Z to 0900Z commencing daily 15 and 16 sep, alternate 172100Z to 180900Z sepWestern North Pacific
- HYDROPAC 3097/172017-09-11 → 2017-09-16Hazardous operations 162100Z to 170400Z sep, alternate 2100Z to 0400Z commencing daily 17 thru 19 sep in…North Pacific
- NAVAREA XII 396/172017-09-09 → 2017-09-14Gunnery exercises 141300Z to 141600Z sep in area within 12 miles of 57-55.03N 137-20.47WEastern North Pacific · Alaska
- HYDROPAC 3069/172017-09-08 → 2017-09-10Hazardous operations 070730Z to 071130Z and 090730Z to 091230Z sep, alternate 080730Z to 081130Z and 100730Z…North Pacific
- NAVAREA XII 390/172017-09-07 → 2017-09-18Hazardous operations: a. 110700Z to 180700Z sep in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 3052/172017-09-07 → 2017-09-08Hazardous operations 072300Z to 080500Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 3042/172017-09-06 → 2017-09-08Hazardous operations 070730Z to 071130Z sep, alternate 0730Z to 1130Z daily 08 thru 10 sep: a. in area bound…North Pacific
- HYDROPAC 3026/172017-09-05 → 2017-09-06Hazardous operations 060030Z to 061200Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 3011/172017-09-04 → 2017-09-05Hazardous operations 050800Z to 051200Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
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.