Exercises
Hazardous operations 1820Z to 2018Z daily 24 thru 27 aug in area bound by 32-28N 122-01W, 32-10N 120-56W,…
Eastern North Pacific · NAVAREA XII 353/17
- issued
- 2017-08-19 02:50Z
- status
- cancelled 2017-08-24 19:39Z (archive)
- self-cancels
- 2017-08-27 21:18Z
- authority
- WESTERN RANGE 042039Z AUG 17.
- sea
- North Pacific Ocean
- position
- 31.668, -121.693
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. 1. HAZARDOUS OPERATIONS 1820Z TO 2018Z DAILY 24 THRU 27 AUG IN AREA BOUND BY 32-28N 122-01W, 32-10N 120-56W, 30-53N 121-22W, 31-09N 122-27W. 2. CANCEL THIS MSG 272118Z AUG 17.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-08-24 18:20Z | 2017-08-24 20:18Z | — | 1 h 58 |
| 2017-08-25 18:20Z | 2017-08-25 20:18Z | — | 1 h 58 |
| 2017-08-26 18:20Z | 2017-08-26 20:18Z | — | 1 h 58 |
| 2017-08-27 18:20Z | 2017-08-27 20:18Z | — | 1 h 58 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
960 within 180 nm since 1999 · 4 in the last 12 months · 2 in force now
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- Hazardous operations 251300Z to 252100Z aug, alternate 261300Z to 262100Z aug in area bound by 33-37.00N…2026-08-20
- Hazardous operations 221200Z to 230100Z aug, alternate 1230Z to 0100Z daily 23 and 24 aug in area bound by:…2026-08-17
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…2026-08-13
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…2026-07-23
- Hazardous operations 151900Z to 160000Z may in area bound by 34-39.47N 121-13.08W, 34-23.43N 121-02.07W,…2024-05-09
- Hazardous operations 091900Z to 092200Z may in area bound by 33-53.45N 120-27.05W, 33-43.15N 119-46.30W,…2024-05-04
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 353/17 and this msgcancelled by · 2017-08-24
Nearby now · within 120 nm
Worldwide now
35 military exercises in force · see all
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.