Exercises
Hazardous operations
Eastern North Pacific · California · NAVAREA XII 239/11
- issued
- 2011-06-19 07:02Z
- status
- cancelled 2011-06-22 15:00Z (archive)
- self-cancels
- 2011-06-27 18:31Z
- authority
- WESTERN RANGE OP W8603 131354Z JUN 11.
- sea
- North Pacific Ocean
- position
- 34.533, -124.150
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 0931Z TO 1731Z DAILY
22 THRU 27 JUN IN AREAS BOUND BY:
A. 34-48N 121-00W, 34-50N 121-01W,
34-52N 120-36W, 34-50N 120-36W.
B. 34-35N 126-19W, 35-00N 122-03W,
34-29N 121-59W, 34-03N 126-15W,
C. 32-54N 137-17W, 33-06N 136-17W,
32-38N 136-09W, 32-26N 137-09W.
2. CANCEL THIS MSG 271831Z JUN.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-06-22 09:31Z | 2011-06-22 17:31Z | — | 8 h |
| 2011-06-23 09:31Z | 2011-06-23 17:31Z | — | 8 h |
| 2011-06-24 09:31Z | 2011-06-24 17:31Z | — | 8 h |
| 2011-06-25 09:31Z | 2011-06-25 17:31Z | — | 8 h |
| 2011-06-26 09:31Z | 2011-06-26 17:31Z | — | 8 h |
| 2011-06-27 09:31Z | 2011-06-27 17:31Z | — | 8 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
293 within 180 nm since 1999 · 2 in the last 12 months · 0 in force now
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25
26
- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- Hazardous operations 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- 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 082000Z to 090130Z may in area bound by 34-39.78N 121-13.13W, 34-23.72N 121-02.12W,…2024-05-03
- Hazardous operations 251400Z to 260030Z apr, alternate 261400Z to 270030Z and 291400Z to 300030Z apr in area…2024-04-23
- Hazardous operations 082030Z to 090030Z mar in area within 30 miles of 33-32.50N 122-23.50W2024-03-03
Season · when military exercises happen here
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A
M
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 239/11 and this msg, operations completedcancelled by · 2011-06-22
Nearby now · within 120 nm
Nothing else in force 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.