Exercises
Hazardous operations
Eastern North Pacific · NAVAREA XII 245/13
- issued
- 2013-09-25 08:14Z
- status
- cancelled 2013-09-29 16:49Z (archive)
- self-cancels
- 2013-10-03 21:00Z
- authority
- WESTERN RANGE OP W9074 192004Z SEP 13.
- sea
- North Pacific Ocean
- position
- 28.298, -120.185
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1530Z TO 2000Z DAILY 29 SEP THRU 03 OCT IN AREA BOUND BY 26-28N 119-05W, 26-22N 121-04W, 30-07N 121-19W, 30-12N 119-16W. 2. CANCEL THIS MSG 032100Z OCT 13.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-09-29 15:30Z | 2013-09-29 20:00Z | — | 4 h 30 |
| 2013-09-30 15:30Z | 2013-09-30 20:00Z | — | 4 h 30 |
| 2013-10-01 15:30Z | 2013-10-01 20:00Z | — | 4 h 30 |
| 2013-10-02 15:30Z | 2013-10-02 20:00Z | — | 4 h 30 |
| 2013-10-03 15:30Z | 2013-10-03 20:00Z | — | 4 h 30 |
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
58 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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00
05
10
15
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23
- Gunnery exercises 101100Z to 101700Z jun in area bound by 30-30.00N 117-40.00W, 30-30.00N 118-45.00W,…2023-06-06
- Hazardous operations 1218Z to 1411Z daily 19 thru 24 may in areas bound by: a. 34-41.00N 120-41.00W,…2023-05-13
- Hazardous operations 101954Z to 102100Z, 111941Z to 112047Z, 121926Z to 122033Z, 131912Z to 132019Z, 141858Z…2023-05-06
- Hazardous operations 1237Z to 1448Z daily 25 thru 29 apr in areas bound by: a. 33-41.00N 120-35.00W,…2023-04-21
- Hazardous operations: a. 021359Z to 021606Z apr, alternate 1359Z to 1606Z 03 thru 05 apr in area bound by…2023-03-31
- Hazardous operations 031359Z to 031608Z apr, alternate 041359Z to 041608Z apr in areas bound by: a.…2023-03-31
Season · when military exercises happen here
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F
M
A
M
J
J
A
S
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D
month of issue, all years in the archive
Timeline
- Hazardous operationscancelled by · 2013-09-29
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.