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
- NAVAREA XII 226/212021-05-17 → 2021-05-18Hazardous operations 201230Z to 200130Z and 211230Z to 212000Z may in area bound by 31-36N 119-18W, 31-46N…Eastern North Pacific · California
- NAVAREA XII 225/212021-05-17 → 2021-05-21Hazardous operations 201900Z to 202300Z may, alternate 211900Z to 212300Z may in area within 36 miles of…Eastern North Pacific · California
- NAVAREA XII 223/212021-05-17 → 2021-05-19Hazardous operations 221700Z to 222200Z may, alternate 261700Z to 262200Z may in areas bound by a. 33-21-20N…Eastern North Pacific · California
- NAVAREA XII 222/212021-05-17 → 2021-05-18Hazardous operations 201600Z T0 202000Z, alternate 211600Z to 212000Z may in area bound by 33-38N 119-58W,…Eastern North Pacific · California
- NAVAREA XII 216/212021-05-13 → 2021-09-07Hazardous operations 140100Z may to 070100Z sep in area bound by 32-47-36N 118-24-03W, 32-47-48N 118-22-43W,…Eastern North Pacific · California
- NAVAREA XII 215/212021-05-13 → 2021-11-01Hazardous operations 151500Z may to 312359Z oct in 32-58-54N 118-31-26WEastern North Pacific · California
- NAVAREA XII 212/212021-05-12 → 2021-05-17Hazardous operations 171000Z to 172000Z may, alternate 1000Z to 2000Z daily 19 and 22 may in area bound by…Eastern North Pacific
- NAVAREA XII 211/212021-05-12 → 2021-05-17Hazardous operations 171000Z to 172000Z may, alternate 1000Z to 2000Z daily 19 and 22 may in area bound by…Eastern North Pacific
- NAVAREA XII 210/212021-05-12 → 2021-05-17Hazardous operations 171000Z to 172000Z may, alternate 1000Z to 2000Z daily 19 and 22 may in area bound by…Eastern North Pacific · California
- NAVAREA XII 209/212021-05-11 → 2021-05-14Hazardous operations 141600Z T0 142000Z may in areas bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N…Eastern North Pacific · California
- NAVAREA XII 207/212021-05-10 → 2021-05-15Hazardous operations 152000Z to 160100Z may in areas bound by: a. 33-25-13N 119-44-27W, 33-15-12N…Eastern North Pacific · California
- NAVAREA XII 206/212021-05-10 → 2021-05-15Hazardous operations 141900Z to 142300Z may in area bound by 35-00.51N 122-14.10W, 34-58.26N 121-17.04W,…Eastern North Pacific · California
- NAVAREA XII 204/212021-05-10 → 2021-05-12Hazardous operations 111600Z to 111900Z, alternate 121600Z to 121900Z may in area within 56 miles of 33-07N…Eastern North Pacific · California
- HYDROPAC 1370/212021-05-06 → 2021-05-14Gunnery exercises 102100Z to 110900Z may, alternate 2100Z to 0900Z daily 11 thru 13 may in area within 25…Western North Pacific
- HYDROPAC 1356/212021-05-05 → 2021-05-06Hazardous operations 060030Z to 060330Z may in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…Western North Pacific · Guam
- NAVAREA XII 198/212021-05-03 → 2021-05-10Hazardous operations 1430Z to 0100Z daily 07 and 10 may, alternate 1430Z to 0100Z daily 08 and 11 may in…Eastern North Pacific · California
- NAVAREA XII 197/212021-05-03 → 2021-05-03Hazardous operations 1430Z to 0100Z daily 07 and 10 may, alternate 1430Z to 0100Z daily 08 and 11 may in…Eastern North Pacific · California
- HYDROPAC 1324/212021-05-01 → 2021-05-06Hazardous operations 2300Z to 1355Z daily 02 thru 05 may in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 196/212021-05-01 → 2021-05-07Hazardous operations 062100Z to 062359Z may in area bound by 35-08N 121-39W, 35-03N 121-22W, 33-50N 121-04W,…Eastern North Pacific · California
- HYDROPAC 1316/212021-05-01 → 2021-05-05Hazardous operations: a. 0636Z to 1415Z daily 05 and 06 may in area bound by 11-47N 172-05E, 10-58N 173-28E,…Eastern North Pacific · North Pacific
- NAVAREA XII 195/212021-05-01 → 2021-05-05Hazardous operations: a. 0636Z to 1347Z daily 05 and 06 may in area bound by 34-42N 121-20W, 34-55N 121-20W,…Eastern North Pacific · California
- HYDROPAC 1306/212021-04-30 → 2021-05-05Hazardous operations 050714Z to 051353Z may, alternate 060705Z to 061344Z may in area bound by 09-17N…North Pacific · Marshall Islands
- NAVAREA XII 190/212021-04-27 → 2021-05-01Hazardous operations 301400Z apr to 010200Z may, in area bound by 33-53N 119-40W, 33-47N 119-26W, 33-35N…Eastern North Pacific · California
- NAVAREA XII 189/212021-04-27 → 2021-05-04Hazardous operations 1600Z to 0200Z daily 28 apr, 01 and 02, and 04 thru 06 may in area bound by 33-43N…Eastern North Pacific · California
- NAVAREA XII 188/212021-04-27 → 2021-04-27Hazardous operations 1600Z to 0200Z daily 28 apr, 01 and 02, and 04 thru 06 may in area bound by 33-43N…Eastern North Pacific · California
- NAVAREA XII 185/212021-04-26 → 2021-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-55-00N 118-25-00W, 32-55-00N 118-15-00W,…Eastern North Pacific · California
- NAVAREA XII 184/212021-04-26 → 2021-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 183/212021-04-26 → 2021-06-01Hazardous operations 010800Z may to 010800Z jun in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 182/212021-04-26 → 2021-04-27Hazardous operations 301400Z apr to 010200Z may, alternate 021400Z to 030200Z may in area bound by 33-53N…Eastern North Pacific · California
- NAVAREA XII 179/212021-04-24 → 2021-04-30Hazardous operations 291400Z to 292359Z apr in area bound by 33-56N 119-54W, 33-57N 119-28W, 33-48N 119-16W,…Eastern North Pacific · California
- NAVAREA XII 177/212021-04-23 → 2021-04-27Hazardous operations 1600Z to 0200Z daily 28 and 30 apr and 01 and 02 may in area bound by 33-43N 120-31W,…Eastern North Pacific · California
- NAVAREA XII 175/212021-04-23 → 2021-04-23Hazardous operations 1600Z to 0200Z daily 28 and 30 apr and 01 may in area bound by 33-43N 120-31W, 33-27N…Eastern North Pacific · California
- HYDROPAC 1228/212021-04-23 → 2021-04-29Hazardous operations 2300Z to 1355Z daily 25 thru 28 apr in areas within three miles of: a. 13-26N 145-08EWestern North Pacific · Philippine Sea · Guam
- NAVAREA XII 171/212021-04-22 → 2021-04-27Hazardous operations 271400Z to 272200Z apr in area within 17 miles of 33-40N 119-41WEastern North Pacific · California
- NAVAREA XII 170/212021-04-22 → 2021-04-27Hazardous operations 261600Z to 270200Z apr in area bound by 33-43N 120-31W, 33-27N 120-18W, 33-30N 120-06W,…Eastern North Pacific · California
- NAVAREA XII 169/212021-04-20 → 2021-04-24Hazardous operations 242200Z to 250100Z apr in areas bound by: a. 33-25-13N 119-44-27W, 33-15-12N…Eastern North Pacific · California
- NAVAREA XII 167/212021-04-17 → 2021-04-22Hazardous operations 221300Z to 221900Z apr in area bound by 33-57N 119-20W, 33-41N 119-08W, 33-20N 119-32W,…Eastern North Pacific · California
- HYDROPAC 1160/212021-04-16 → 2021-04-22Hazardous operations 2300Z to 1355Z daily 18 thru 21 apr in areas within three miles of: a. 13-26N 145-08EPhilippine Sea · Western North Pacific · Guam
- NAVAREA XII 161/212021-04-14 → 2021-04-21Hazardous operations 191930Z to 192330Z apr, alternate 201900Z to 202300Z apr in area within 40 miles of…Eastern North Pacific · California
- NAVAREA XII 158/212021-04-12 → 2021-04-17Hazardous operations 171600Z to 172000Z apr in areas bound by: a. 33-19-00N 119-37-00W, 33-20-00N…Eastern North Pacific · California
- NAVAREA XII 154/212021-04-08 → 2021-04-14Hazardous operations 131030Z to 131900Z apr, alternate 141030Z to 141900Z apr in area bound by 30-01N…Eastern North Pacific
- NAVAREA XII 153/212021-04-08 → 2021-04-14Hazardous operations 131030Z to 131900Z apr, alternate 141030Z to 141900Z apr in area bound by 32-02N…Eastern North Pacific
- NAVAREA XII 152/212021-04-08 → 2021-04-13Hazardous operations 131030Z to 131900Z apr, alternate 141030Z to 141900Z apr in area bound by 33-22N…Eastern North Pacific · California
- NAVAREA XII 148/212021-04-04 → 2021-04-09Hazardous operations 081400Z to 082200Z apr, alternate 091400Z to 092200Z apr in area bound by 33-45N…Eastern North Pacific · California
- NAVAREA XII 141/212021-04-02 → 2021-04-11Hazardous operations 061500Z to 062359Z apr, alternate 1500Z to 2359Z daily 07 thru 10 apr in area bound by…Eastern North Pacific · California
- NAVAREA XII 140/212021-03-31 → 2021-05-01Hazardous operations 010100Z apr to 010100Z may in: a. 32-47-48N 118-22-43WEastern North Pacific · California
- NAVAREA XII 138/212021-03-29 → 2021-04-05Hazardous operations 011500Z T0 011900Z apr, alternate 051500Z T0 051900Z apr in areas bound by a. 33-21-20N…Eastern North Pacific · California
- NAVAREA XII 137/212021-03-29 → 2021-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 136/212021-03-29 → 2021-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-52-42N 119-11-58W, 33-08-04N 118-52-05W,…Eastern North Pacific · California
- NAVAREA XII 135/212021-03-29 → 2021-05-01Hazardous operations 010800Z apr to 010800Z may in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…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.