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 · 32 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 · 32 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 · 32 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
- HYDROPAC 2068/172017-06-14 → 2017-06-15Hazardous operations 150400Z to 151100Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2056/172017-06-13 → 2017-06-14Hazardous operations 140330Z to 141130Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2039/172017-06-11 → 2017-06-13Hazardous operations 112230Z to 130500Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 259/172017-06-09 → 2017-06-16Hazardous operations 1900Z to 0100Z commencing daily 12 thru 15 jun in area within 35 miles of 34-47-07N…Eastern North Pacific · California
- HYDROPAC 2013/172017-06-08 → 2017-06-09Hazardous operations 082330Z to 090330Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 2003/172017-06-07 → 2017-06-08Hazardous operations 072100Z to 080200Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1988/172017-06-06 → 2017-06-07Hazardous operations 062230Z to 070630Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1973/172017-06-05 → 2017-06-06Hazardous operations 052230Z to 060630Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1961/172017-06-04 → 2017-06-05Hazardous operations 042230Z to 050630Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 245/172017-06-02 → 2017-06-12Hazardous operations: a. 050700Z to 120700Z jun in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 1923/172017-06-01 → 2017-06-02Hazardous operations 012130Z to 020200Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1908/172017-05-31 → 2017-06-01Hazardous operations 312230Z may to 010630Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1904/172017-05-31 → 2017-06-01Hazardous operations 312230Z may to 010630Z jun in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1866/172017-05-28 → 2017-06-30Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- NAVAREA XII 238/172017-05-27 → 2017-07-01Hazardous operations 0701Z to 0659Z commencing daily 01 thru 30 jun in area bound by 32-33N 118-25W, 32-35N…Eastern North Pacific · California
- NAVAREA XII 233/172017-05-26 → 2017-06-02Hazardous operations 281600Z may to 021600Z jun within 10 miles of 35-00N 174-00WNorth Pacific
- HYDROPAC 1830/172017-05-25 → 2017-05-30Hazardous operations 1830Z to 0030Z commencing daily 30 may thru 01 jun in areas bound by: a. 16-57N…North Pacific · Marshall Islands
- NAVAREA XII 232/172017-05-25 → 2017-05-30Hazardous operations: a. 1830Z to 2349Z daily 30 may thru 01 jun in area bound by 34-40N 124-10W, 34-59N…Eastern North Pacific · California
- NAVAREA XII 231/172017-05-25 → 2017-05-25Hazardous operations 1830Z to 2349Z daily 30 may thru 01 jun in areas bound by: a. 34-40N 124-10W, 34-59N…Eastern North Pacific · California
- HYDROPAC 1715/172017-05-16 → 2017-05-17Hazardous operations 162100Z to 170800Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 207/172017-05-10 → 2017-06-02Hazardous operations 15 may thru 01 jun in area bound by 15-26.5N 093-41.0W, 15-34.0N 093-55.0W, 15-28.5N…Eastern North Pacific · Mexico
- NAVAREA XII 206/172017-05-10 → 2017-06-02Hazardous operations 15 may thru 01 jun 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 188/172017-05-05 → 2017-05-20Hazardous operations: a. 080700Z to 150700Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 1584/172017-05-04 → 2017-05-05Hazardous operations 042200Z to 050230Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1569/172017-05-03 → 2017-05-04Hazardous operations 040400Z to 040800Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1556/172017-05-02 → 2017-05-03Hazardous operations 030400Z to 030800Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1539/172017-05-01 → 2017-05-02Hazardous operations 012200Z to 020700Z may in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1538/172017-05-01 → 2017-05-02Hazardous operations 012330Z to 020800Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1528/172017-04-30 → 2017-05-31Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…Western North Pacific
- HYDROPAC 1522/172017-04-30 → 2017-05-01Hazardous operations 010001Z to 010200Z may in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 176/172017-04-29 → 2017-05-08Hazardous operations: a. 010700Z to 080700Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…Eastern North Pacific · California
- HYDROPAC 1485/172017-04-28 → 2017-05-03Hazardous operations 030700Z to 031401Z may, alternate 040700Z to 041401Z may in areas bound by: a. 10-10N…North Pacific · Marshall Islands
- HYDROPAC 1463/172017-04-26 → 2017-04-27Hazardous operations 262300Z to 270800Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 171/172017-04-26 → 2017-06-01Hazardous operations 0701Z to 0659Z commencing daily 01 thru 31 may in area bound by 32-33N 118-25W, 32-35N…Eastern North Pacific · California
- HYDROPAC 1460/172017-04-26 → 2017-04-30Gunnery exercises 300400Z to 300800Z apr in area within ten miles 29-55.0N 141-59.5EWestern North Pacific · Philippine Sea
- HYDROPAC 1451/172017-04-25 → 2017-04-26Hazardous operations 252300Z to 260800Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- NAVAREA XII 167/172017-04-24 → 2017-04-25Gunnery exercises 252000Z to 252300Z apr in area within five miles of 57-55.03N 137-20.47WEastern North Pacific · Alaska
- HYDROPAC 1434/172017-04-24 → 2017-04-25Hazardous operations 250001Z to 250700Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1433/172017-04-24 → 2017-04-24Hazardous operations 250001Z to 250400Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- NAVAREA XII 164/172017-04-21 → 2017-05-01Hazardous operations: a. 240700Z apr to 010700Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N…Eastern North Atlantic · California
- HYDROPAC 1394/172017-04-21 → 2017-04-26Hazardous operations 260700Z to 261401Z apr, alternate 0700Z to 1401Z daily 27 and 28 apr in areas bound by:…North Pacific · Marshall Islands
- HYDROPAC 1393/172017-04-21 → 2017-04-26Hazardous operations 0631Z to 1429Z daily 26 apr thru 01 may in area bound by 15-16N 174-41E, 16-33N…North Pacific
- NAVAREA XII 162/172017-04-21 → 2017-04-26Hazardous operations 0631Z to 1333Z daily 26 apr thru 01 may in areas bound by: a. 34-18N 124-51W, 34-39N…Eastern North Pacific
- NAVAREA XII 160/172017-04-20 → 2017-04-26Hazardous operations 1345Z to 1900Z 25 and 26 apr in area bound by 33-53N 119-40W, 33-35N 119-17W, 33-03N…Eastern North Pacific · California
- HYDROPAC 1388/172017-04-20 → 2017-04-21Hazardous operations 202200Z to 210500Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1381/172017-04-19 → 2017-04-20Hazardous operations 200001Z to 200600Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1379/172017-04-19 → 2017-04-20Hazardous operations 192300Z to 200800Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1357/172017-04-18 → 2017-04-19Hazardous operations 190001Z to 190200Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…Western North Pacific · Mariana Islands
- HYDROPAC 1356/172017-04-18 → 2017-04-19Hazardous operations 182300Z to 190800Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern North Pacific · Mariana Islands
- HYDROPAC 1344/172017-04-17 → 2017-04-18Hazardous operations 172300Z to 180600Z apr in area within 12 miles of 16-01-06N 146-03-35EWestern 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.