Exercises
Hazardous operations 081700 to 090100Z aug, alternate 091700Z to 100100Z, alternate 101700Z to 110100Z and…
Eastern North Pacific · California · NAVAREA XII 314/18
- issued
- 2018-08-03 13:11Z
- status
- cancelled 2018-08-12 02:00Z (archive)
- self-cancels
- 2018-08-12 02:00Z
- cancels
- NAVAREA XII 311/18
- authority
- SEA RANGE OTC 031301Z AUG 18.
- sea
- North Pacific Ocean
- position
- 33.517, -121.096
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 081700 TO 090100Z AUG, ALTERNATE 091700Z TO 100100Z, ALTERNATE 101700Z TO 110100Z AND 111700Z TO 120100Z AUG IN AREA BOUND BY 34-39N 122-03W, 32-50N 119-39W, 32-22N 120-13W, 34-21N 122-37W. 2. CANCEL NAVAREA XII 311/18. 3. CANCEL THIS MSG 120200Z AUG 18.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-08-09 17:00Z | 2018-08-10 01:00Z | — | 8 h |
| 2018-08-10 17:00Z | 2018-08-11 01:00Z | — | 8 h |
| 2018-08-11 17:00Z | 2018-08-12 01:00Z | — | 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
1153 within 180 nm since 1999 · 7 in the last 12 months · 4 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 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
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
Nearby now · 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.