Exercises
Hazardous operations 121630Z to 122359Z dec, alternate 1630Z to 2359Z daily 13 thru 15 dec in areas bound…
Eastern North Pacific · California · NAVAREA XII 848/23
- issued
- 2023-12-07 21:31Z
- status
- cancelled 2023-12-16 00:59Z (archive)
- self-cancels
- 2023-12-16 00:59Z
- authority
- SEA RANGE OTC 0/23 072056Z DEC 23.
- sea
- North Pacific Ocean
- position
- 33.525, -120.483
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 121630Z TO 122359Z DEC,
ALTERNATE 1630Z TO 2359Z DAILY 13 THRU 15 DEC
IN AREAS BOUND BY:
A. 33-53.00N 120-37.00W, 33-59.00N 121-00.00W,
33-44.00N 121-12.00W, 33-26.00N 121-15.00W,
33-21.00N 120-47.00W, 33-36.00N 120-25.00W.
B. 33-41.00N 120-28.00W, 33-29.00N 120-35.00W,
33-03.00N 119-38.00W, 33-19.00N 119-28.00W.
2. CANCEL THIS MSG 160059Z DEC 23.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-12-12 16:30Z | 2023-12-12 23:59Z | — | 7 h 29 |
| 2023-12-13 16:30Z | 2023-12-13 23:59Z | — | 7 h 29 |
| 2023-12-14 16:30Z | 2023-12-14 23:59Z | — | 7 h 29 |
| 2023-12-15 16:30Z | 2023-12-15 23:59Z | — | 7 h 29 |
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
1133 within 180 nm since 1999 · 5 in the last 12 months · 5 in force now
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26
- 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
- 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 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…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
Season · when military exercises happen here
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F
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A
M
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J
A
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D
month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 848/23, 850/23 and this msgcancelled by · 2023-12-15
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 · 52.1 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 · 90.8 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 · 114.2 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.