Exercises
Hazardous operations 061400Z to 070200Z dec alternate 071400Z to 080200Z dec and 081400Z to 090200Z dec in…
Eastern North Pacific · California · NAVAREA XII 540/18
- issued
- 2018-12-04 16:57Z
- status
- cancelled 2018-12-09 03:00Z (archive)
- self-cancels
- 2018-12-09 03:00Z
- authority
- SEA RANGE OTC 041625Z DEC 18.
- sea
- North Pacific Ocean
- position
- 33.258, -120.229 · r 31.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 061400Z TO 070200Z DEC ALTERNATE 071400Z TO 080200Z DEC AND 081400Z TO 090200Z DEC IN AREA WITHIN 31 MILES OF 33-15-27N 120-13-46W. 2. CANCEL THIS MSG 090300Z DEC 18.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-12-06 14:00Z | 2018-12-07 02:00Z | — | 12 h |
| 2018-12-07 14:00Z | 2018-12-08 02:00Z | — | 12 h |
| 2018-12-08 14:00Z | 2018-12-09 02:00Z | — | 12 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
1127 within 180 nm since 1999 · 8 in the last 12 months · 5 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 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
Season · when military exercises happen here
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month of issue, all years in the archive
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 · 48.2 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 · 72.8 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 · 96.8 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.