Exercises
Hazardous operations 221600Z to 222300Z nov, alternate 1600Z to 2300Z daily 23 thru 25 nov in area bound by…
Eastern North Pacific · California · NAVAREA XII 517/20
- issued
- 2020-11-17 10:02Z
- status
- cancelled 2020-11-25 23:59Z (archive)
- self-cancels
- 2020-11-25 23:59Z
- authority
- SEA RANGE OTC 161809Z NOV 20.
- sea
- North Pacific Ocean
- position
- 33.356, -120.291
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 221600Z TO 222300Z NOV, ALTERNATE 1600Z TO 2300Z DAILY 23 THRU 25 NOV IN AREA BOUND BY 33-53N 120-58W, 33-46N 120-25W, 33-16N 119-37W, 33-06N 119-30W, 32-51N 119-42W, 32-49N 119-54W, 33-20N 120-49W, 33-43N 121-06W. 2. CANCEL THIS MSG 252359Z NOV 20.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-11-22 16:00Z | 2020-11-22 23:00Z | — | 7 h |
| 2020-11-23 16:00Z | 2020-11-23 23:00Z | — | 7 h |
| 2020-11-24 16:00Z | 2020-11-24 23:00Z | — | 7 h |
| 2020-11-25 16:00Z | 2020-11-25 23:00Z | — | 7 h |
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
1135 within 180 nm since 1999 · 8 in the last 12 months · 5 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 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…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 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87W2026-08-12
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2026-07-23
Season · when military exercises happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…Exercises · 47.3 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Exercises · 77.8 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Exercises · 101.5 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.