Exercises
Hazardous operations 051845Z to 052359Z apr, alternate 061845Z to 062359Z apr in areas bound by: a.…
Eastern North Pacific · California · NAVAREA XII 182/23
- issued
- 2023-04-03 21:47Z
- status
- cancelled 2023-04-05 20:58Z (archive)
- self-cancels
- 2023-04-07 00:59Z
- cancels
- NAVAREA XII 166/23
- authority
- WESTERN RANGE 0/23 032102Z APR 23.
- sea
- North Pacific Ocean
- position
- 21.867, -134.873
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 051845Z TO 052359Z APR,
ALTERNATE 061845Z TO 062359Z APR
IN AREAS BOUND BY:
A. 34-37.00N 121-24.00W, 34-40.00N 122-13.00W,
34-02.00N 122-58.00W, 32-12.00N 125-14.00W,
31-34.00N 125-29.00W, 31-04.00N 124-45.00W,
31-26.00N 124-07.00W, 34-02.00N 121-13.00W.
B. 23-17.00N 135-50.00W, 21-37.00N 137-03.00W,
19-58.00N 133-59.00W, 22-07.00N 132-44.00W.
2. CANCEL NAVAREA XII 166/23.
3. CANCEL THIS MSG 070059Z APR 23.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-04-05 18:45Z | 2023-04-05 23:59Z | — | 5 h 14 |
| 2023-04-06 18:45Z | 2023-04-06 23:59Z | — | 5 h 14 |
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
13 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Hazardous operations 1845Z to 2359Z daily 03 thru 07 and 10 apr in areas bound by: a. 34-37.00N 121-24.00W,…2023-03-30
- Hazardous operations 271730Z to 280042Z oct, alternate 281730Z to 290042Z in areas bound by: a. 34-37.00N…2022-10-26
- Hazardous operations 261730Z to 270042Z oct, alternate 1730Z to 0042Z daily 27 and 28 oct in areas bound by:…2022-10-25
- Hazardous operations 251730Z to 260042Z oct, alternate 1730Z to 0042Z daily 26 thru 28 oct in areas bound…2022-10-23
- Hazardous operations 241730Z to 250042Z oct, alternate 1730Z to 0042Z daily 25 thru 28 oct in areas bound…2022-10-19
- Hazardous operations2010-09-16
Season · when military exercises happen here
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F
M
A
M
J
J
A
S
O
N
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month of issue, all years in the archive
Timeline
- Hazardous operations 1845Z to 2359Z daily 03 thru 07 and 10 apr in areas bound by: a. 34-37.00N 121-24.00W,…cancels · 2023-03-30
- Hazardous operations 1845Z to 2359Z daily 03 thru 07 and 10 apr in areas bound by: a. 34-37.00N 121-24.00W,…replaced · 2023-03-30
- Cancel NAVAREA XII 182/23 and this msg, operations completedcancelled by · 2023-04-05
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.