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
- NAVAREA XII 472/192019-09-29 → 2019-09-30Hazardous operations 041700Z to 042100Z oct in area bound by 33-34-39N 120-05-47W, 34-12-16N 121-06-38W,…Eastern North Pacific · California
- NAVAREA XII 471/192019-09-29 → 2019-10-06Hazardous operations 1330Z to 2300Z daily 04 and 05 oct in area bound by 33-02N 118-38W, 32-36N 118-20W,…Eastern North Pacific · California
- HYDROPAC 3195/192019-09-27 → 2019-10-31Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- HYDROPAC 3194/192019-09-27 → 2019-10-20Gunnery exercises 302300Z sep to 010800Z oct, alternate 2300Z to 0800Z commencing daily 01 thru 19 oct in…Western North Pacific
- NAVAREA XII 467/192019-09-27 → 2019-10-02Hazardous operations 021500Z to 022000Z oct in area bound by 33-14N 122-19W, 31-54N 121-35W, 30-30N 121-19W,…Eastern North Pacific · California
- HYDROPAC 3185/192019-09-27 → 2019-10-01Hazardous operations 020812Z to 021543Z oct, alternate 030834Z to 031605Z oct in areas bound by: a. 09-47N…North Pacific · Marshall Islands
- NAVAREA XII 466/192019-09-27 → 2019-10-04Hazardous operations 0743Z to 1530Z daily 02 thru 04 oct in areas bound by: a. 34-55N 121-14W, 34-40N…Eastern North Pacific · California
- NAVAREA XII 465/192019-09-26 → 2019-09-27Hazardous operations 011500Z to 020300Z oct, alternate 021300Z to 030300Z and 031300Z to 040300Z oct in area…Eastern North Pacific · California
- HYDROPAC 3177/192019-09-26 → 2019-09-27Gunnery exercises 302300Z sep to 010800Z oct, alternate 2300Z to 0800Z commencing daily 01 thru 19 oct in…Western North Pacific
- HYDROPAC 3176/192019-09-26 → 2019-09-27Gunnery 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 460/192019-09-23 → 2019-09-27Hazardous operations 271500Z to 271900Z sep in area bound by 33-48N 121-02W, 33-48N 119-39W, 32-38N 119-39W,…Eastern North Pacific · California
- NAVAREA XII 459/192019-09-23 → 2019-09-27Hazardous operations 241500Z to 250400Z sep, alternate 261400Z to 270400Z sep in area bound by 34-06-08N…Eastern North Pacific · California
- HYDROPAC 3079/192019-09-20 → 2019-09-21Hazardous operations 210001Z to 210600Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 453/192019-09-19 → 2019-09-24Hazardous operations 231500Z to 240300Z sep in area bound by 33-48-21N 120-18-24W, 33-56-41N 119-43-42W,…Eastern North Pacific · California
- HYDROPAC 3063/192019-09-19 → 2019-09-20Hazardous operations 200500Z to 200800Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3057/192019-09-18 → 2019-09-19Hazardous operations 190200Z to 190900Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- HYDROPAC 3028/192019-09-16 → 2019-09-17Hazardous operations 170400Z to 170900Z sep in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 3027/192019-09-16 → 2019-09-17Hazardous operations 170200Z to 170900Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Guam
- NAVAREA XII 440/192019-09-13 → 2019-09-22Hazardous operations 181600Z to 190100Z sep, alternate 1600Z to 0100Z commencing daily 20 and 21 sep in area…Eastern North Pacific · California
- NAVAREA XII 435/192019-09-10 → 2019-09-12Hazardous operations 122100Z to 130001Z sep in area within ten miles of 34-34N 121-25WEastern North Pacific · California
- NAVAREA XII 434/192019-09-09 → 2019-09-12Hazardous operations 112000Z to 112300Z sep in area within ten miles of 34-34N 121-25WEastern North Pacific · California
- NAVAREA XII 426/192019-09-06 → 2019-09-13Hazardous operations 111600Z to 120100Z and 122130Z to 130100Z sep, alternate 131600Z to 132000Z sep in area…Eastern North Pacific · California
- NAVAREA XII 425/192019-09-06 → 2019-09-11Hazardous operations 112000Z to 112300Z sep in area within ten miles of 34-40N 121-18WEastern North Pacific · California
- HYDROPAC 2899/192019-09-04 → 2019-09-05Hazardous operations 050800Z to 051200Z sep in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2886/192019-09-03 → 2019-09-04Hazardous operations 040800Z to 041200Z sep in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 417/192019-08-29 → 2019-09-08Hazardous operations 020800Z to 081700Z sep in areas bound by: a. 34-24N 125-00W, 35-20N 125-00W, 35-00N…North Pacific · California
- HYDROPAC 2821/192019-08-29 → 2019-09-04Gunnery exercises 022300Z to 030800Z sep, alternate 032300Z to 040800Z sep in area within 25 miles of…Western North Pacific
- NAVAREA XII 415/192019-08-29 → 2019-09-04Hazardous operations 041400Z to 041600Z sep in area bound by 34-01-40N 119-21-25W, 33-51-27N 119-11-37W,…Eastern North Pacific · California
- NAVAREA XII 412/192019-08-28 → 2019-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 411/192019-08-28 → 2019-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52-40N 119-12-01W, 33-08-04N 118-51-46W,…Eastern North Pacific · California
- NAVAREA XII 410/192019-08-28 → 2019-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-55-00N 118-25-00W, 32-55-00N 118-15-00W,…Eastern North Pacific · California
- HYDROPAC 2789/192019-08-27 → 2019-09-30Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 28-15-15N 146-29-47E,…Western North Pacific
- HYDROPAC 2741/192019-08-23 → 2019-08-24Hazardous operations 280001Z to 280630Z aug, alternate 0001Z to 0630Z daily 29 aug thru 03 sep in areas…North Pacific
- HYDROPAC 2733/192019-08-23 → 2019-08-30Hazardous operations 280001Z to 280630Z aug, alternate 0001Z to 0630Z daily 29 aug thru 03 sep in areas…North Pacific
- NAVAREA XII 395/192019-08-21 → 2019-08-30Hazardous operations 261300Z to 270100Z, 271300Z to 280100Z, 281300Z to 290100Z and 291300Z to 300100Z aug…Eastern North Pacific · California
- HYDROPAC 2703/192019-08-21 → 2019-08-30Gunnery exercises 252300Z to 261500Z and 282300Z to 290800Z aug, alternate 262300Z to 271500Z and 292300Z to…Western North Pacific
- NAVAREA XII 381/192019-08-16 → 2019-08-19Hazardous operations 181900Z to 190100Z aug in area bound by 33-44N 119-15W, 33-03N 119-15W, 32-44N 119-25W,…North Pacific · California
- NAVAREA XII 375/192019-08-14 → 2019-08-17Hazardous operations 171300Z to 180100Z alternate 181300Z to 190100Z aug in area bound by 33-18N 119-29W,…Eastern North Pacific · California
- HYDROPAC 2622/192019-08-14 → 2019-08-15Hazardous operations 150001Z to 150900Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 373/192019-08-13 → 2019-08-14Hazardous operations 161300Z to 170100Z aug, alternate 171300Z to 180100Z and 181300Z to 190100Z aug in area…Eastern North Pacific · California
- HYDROPAC 2608/192019-08-13 → 2019-08-14Hazardous operations 140830Z to 141355Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2596/192019-08-12 → 2019-08-13Hazardous operations 130500Z to 130900Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 365/192019-08-10 → 2019-08-13Hazardous operations 151300Z to 160100Z aug, alternate 161300Z to 170100Z, 171300Z to 180100Z and 181300Z to…Eastern North Pacific · California
- NAVAREA XII 361/192019-08-08 → 2019-08-14Hazardous operations 131100Z to 140400Z aug, alternate 141100Z to 150400Z, 151100Z to 160400Z, 161100Z to…Eastern North Pacific · California
- NAVAREA XII 360/192019-08-08 → 2019-08-09Hazardous operations 122000Z to 122300Z aug in area within 20 miles of 34-30N 121-23WEastern North Pacific · California
- NAVAREA XII 358/192019-08-08 → 2019-08-17Hazardous operations 121400Z to 122359Z aug, alternate 1400Z to 2359Z daily 13 thru 16 aug in area bound by…Eastern North Pacific · California
- NAVAREA XII 357/192019-08-08 → 2019-08-17Hazardous operations 121400Z to 122359Z aug, alternate 1400Z to 2359Z daily 13 thru 16 aug in area bound by…Eastern North Pacific · California
- HYDROPAC 2534/192019-08-07 → 2019-08-08Hazardous operations 080100Z to 081300Z aug in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 352/192019-08-06 → 2019-08-10Hazardous operations 072000Z to 080001Z aug, alternate 092000Z to 100001Z aug in area within 20 miles of…Eastern North Pacific · California
- NAVAREA XII 346/192019-08-02 → 2019-08-08Hazardous operations 071400Z to 072359Z aug in area bound by 33-41N 119-28W, 33-29N 119-19W, 32-45N 119-45W,…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.