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 · 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 · 4,618 cancelled
- 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
- NAVAREA XII 598/212021-10-15 → 2021-10-26Hazardous operations 190830Z to 191430Z oct, alternate 0830Z to 1430Z daily 20 thru 29 oct in areas bound…Gulf of Alaska · North Pacific · Alaska
- HYDROPAC 2936/212021-10-15 → 2021-10-21Hazardous operations 190830Z to 191430Z oct, alternate 0830Z to 1430Z daily 20 thru 29 oct in area bound by…North Pacific · Marshall Islands
- NAVAREA XII 590/212021-10-12 → 2021-10-18Hazardous operations 1649Z to 1916Z daily 17 and 18 oct in area bound by 34-40N 120-43W, 34-40N 120-24W,…Eastern North Pacific · California
- NAVAREA XII 588/212021-10-12 → 2021-10-12Hazardous operations 1522Z to 2047Z daily 17 and 18 oct in area bound by 34-40N 120-43W, 34-40N 120-24W,…Eastern North Pacific · California
- NAVAREA XII 584/212021-10-11 → 2021-10-13Hazardous operations 131330Z to 140130Z oct, alternate 150630Z to 151400Z, 151330Z to 160130Z, 160630Z to…Eastern North Pacific · California
- NAVAREA XII 580/212021-10-09 → 2021-10-16Hazardous operations 142100Z to 150200Z and 151900Z to 152359Z oct in area bound by 34-41N 121-14W, 34-21N…Eastern North Pacific · California
- NAVAREA XII 576/212021-10-08 → 2021-10-13Hazardous operations: a. 1630Z to 2132Z daily 13 and 14 oct in area bound by 34-54N 121-14W, 34-54N 120-36W,…Eastern North Pacific · California
- NAVAREA XII 574/212021-10-07 → 2021-10-08Hazardous operations 121830Z to 130100Z oct in area bound by 33-37N 120-08W, 33-31N 119-40W, 32-40N 119-58W,…Eastern North Pacific · California
- HYDROPAC 2783/212021-10-01 → 2021-10-07Hazardous operations 2300Z to 1355Z daily 03 thru 06 oct in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- HYDROPAC 2748/212021-09-29 → 2021-10-01Hazardous operations 010001Z to 010100Z oct in area within two miles of 13-35-59N 144-55-38EWestern North Pacific · Guam
- HYDROPAC 2729/212021-09-26 → 2021-11-30Gunnery exercises 2300Z to 0900Z daily 30 sep to 29 nov in area bound by 28-15-15N 146-29-47E, 25-25-16N…Western North Pacific
- HYDROPAC 2728/212021-09-26 → 2021-09-30Hazardous operations 2300Z to 1355Z daily 26 thru 29 sep in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 541/212021-09-26 → 2021-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 540/212021-09-26 → 2021-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…Eastern North Pacific · California
- NAVAREA XII 539/212021-09-26 → 2021-11-01Hazardous operations 010800Z oct to 010800Z nov in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 532/212021-09-24 → 2021-09-29Hazardous operations 281700Z to 282359Z sep in area within ten miles of 34-24N 121-15WEastern North Pacific · California
- NAVAREA XII 530/212021-09-22 → 2021-09-25Hazardous operations 251500Z to 252100Z sep in area bound by 34-05N 119-07W, 34-01N 119-18W, 33-59N 119-19W,…Eastern North Pacific · California
- NAVAREA XII 528/212021-09-22 → 2021-09-27Hazardous operations: a. 1741Z to 1914Z daily 27 and 28 sep in area bound by 34-29N 120-28W, 34-17N 120-41W,…Eastern North Pacific · California
- NAVAREA XII 527/212021-09-22 → 2021-09-28Hazardous operations 271700Z to 280100Z sep in area within ten miles of 34-34N 121-34WEastern North Pacific · California
- NAVAREA XII 524/212021-09-21 → 2021-09-22Hazardous operations 251500Z to 252100Z sep in area bound by 33-05N 119-07W, 34-00N 119-20W, 33-54N 119-08WEastern North Pacific · California
- NAVAREA XII 519/212021-09-20 → 2021-09-21Hazardous operations 251500Z to 252100Z sep in area bound by 33-05N 119-07W, 34-01N 119-17W, 33-56N 119-08WEastern North Pacific · California
- NAVAREA XII 517/212021-09-20 → 2021-09-25Hazardous operations 251630Z to 252230Z sep in area bound by 35-06-00N 121-48-00W, 34-57-40N 121-24-00W,…Eastern North Pacific · California
- NAVAREA XII 515/212021-09-19 → 2021-09-24Hazardous operations 241200Z to 242000Z sep, alternate 271200Z to 272000Z, 291200Z to 292000Z sep and…Eastern North Pacific
- NAVAREA XII 514/212021-09-19 → 2021-09-24Hazardous operations 241200Z to 242000Z sep, alternate 271200Z to 272000Z, 291200Z to 292000Z sep and…Eastern North Pacific
- NAVAREA XII 513/212021-09-19 → 2021-09-24Hazardous operations 241200Z to 242000Z sep, alternate 271200Z to 272000Z, 291200Z to 292000Z sep and…Eastern North Pacific · California
- NAVAREA XII 507/212021-09-16 → 2021-09-20Hazardous operations 201500Z to 202359Z sep, alternate 1500Z to 2359Z daily 21 and 22 sep in area bound by…Eastern North Pacific · California
- NAVAREA XII 506/212021-09-16 → 2021-09-22Hazardous operations 211500Z to 212359Z sep, alternate 221500Z to 222359Z sep in area bound by 33-22-48N…Eastern North Pacific · California
- NAVAREA XII 505/212021-09-16 → 2021-09-22Hazardous operations 201500Z to 202359Z and 211500Z to 212359Z sep, alternate 221500Z to 222359Z sep in area…Eastern North Pacific · California
- NAVAREA XII 499/212021-09-13 → 2021-09-18Hazardous operations 171200Z to 172300Z sep in area bound by 02-01.72N 079-01.19W, 01-55.00N 079-01.19W,…Eastern North Pacific · Colombia
- NAVAREA XII 496/212021-09-13 → 2021-09-18Hazardous operations 181630Z to 182230Z sep in area bound by 35-06-00N 121-48-00W, 34-57-40N 121-24-00W,…Eastern North Pacific · California
- NAVAREA XII 490/212021-09-12 → 2021-09-15Hazardous operations 162100Z to 162359Z sep in area bound by 35-06-00N 121-48-00W, 34-57-40N 121-24-00W,…Eastern North Pacific · California
- NAVAREA XII 489/212021-09-12 → 2021-09-19Hazardous operations 1400Z to 0100Z daily 17 and 18 sep in area within 16 miles of 33-43N 119-26WEastern North Pacific · California
- NAVAREA XII 483/212021-09-10 → 2021-09-16Hazardous operations 152100Z to 152359Z sep in area bound by 35-06-00N 121-48-00W, 34-57-40N 121-24-00W,…Eastern North Pacific · California
- NAVAREA XII 482/212021-09-10 → 2021-09-15Hazardous operations 151530Z to 151830Z sep in area bound by 34-35N 121-22W, 34-28N 121-18W, 34-21N 121-33W,…Eastern North Pacific · California
- NAVAREA XII 480/212021-09-09 → 2021-09-11Hazardous operations 101200Z to 102300Z sep in area bound by 02-01.72N 079-01.19W, 01-55.00N 079-01.19W,…Eastern North Pacific · Colombia
- NAVAREA XII 479/212021-09-09 → 2021-09-15Hazardous operations 131500Z to 140100Z sep, alternate 141500Z to 150100Z and 151500Z to 160100Z sep in area…Eastern North Pacific · California
- HYDROPAC 2534/212021-09-08 → 2021-09-09Hazardous operations 090001Z to 090500Z sep in area bound by: 13-01-48N 144-30-36E, 13-01-48N 144-42-00E,…Western North Pacific · Guam
- HYDROPAC 2533/212021-09-08 → 2021-09-10Hazardous operations 081400Z to 101600Z sep in areas within three miles of: a. 13-26N 145-08EPhilippine Sea · Western North Pacific Guam
- HYDROPAC 2475/212021-08-31 → 2021-09-01Hazardous operations 312300Z aug to 010700Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N…Western North Pacific · Guam
- NAVAREA XII 459/212021-08-30 → 2021-09-02Hazardous operations 311930Z to 312359Z aug, alternate 011930Z to 012359Z sep in area within ten miles of…Eastern North Pacific · California
- NAVAREA XII 456/212021-08-29 → 2021-08-31Hazardous operations: a. 0030Z to 0547Z daily 03 and 04 sep in area bound by 34-49N 120-37W, 34-33N 120-35W,…Eastern North Pacific · California
- HYDROPAC 2443/212021-08-27 → 2021-09-03Hazardous operations 292300Z aug to 031600Z sep in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 449/212021-08-27 → 2021-10-01Hazardous 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
- NAVAREA XII 448/212021-08-27 → 2021-10-01Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 447/212021-08-27 → 2021-10-01Hazardous 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 445/212021-08-26 → 2021-09-02Hazardous operations 311930Z to 312359Z aug, alternate 011930Z to 012359Z sep in area within ten miles of…Eastern North Pacific · California
- HYDROPAC 2437/212021-08-26 → 2021-09-10Hazardous operations 2100Z to 0900Z daily 30, 31 aug, 02 and 04 sep, alternate 2100Z to 0900Z daily 01, 03…Western North Pacific
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.