Exercises
Hazardous operations 010900Z to 011700Z and 031300Z to 040100Z aug, alternate 041300Z to 050100Z aug in area…
Eastern North Pacific · California · NAVAREA XII 308/18
- issued
- 2018-07-31 16:41Z
- status
- cancelled 2018-08-05 02:00Z (archive)
- self-cancels
- 2018-08-05 02:00Z
- cancels
- NAVAREA XII 304/18
- authority
- SEA RANGE OTC 311252Z JUL 18.
- sea
- North Pacific Ocean
- position
- 33.568, -119.852
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 010900Z TO 011700Z AND 031300Z TO 040100Z AUG, ALTERNATE 041300Z TO 050100Z AUG IN AREA BOUND BY 33-51-19N 119-25-43W, 33-16-52N 119-26-00W 33-16-42N 120-16-19W, 33-51-21N 120-16-27W. 2. CANCEL NAVAREA XII 304/18. 3. CANCEL THIS MSG 050200Z AUG 18.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-08-01 09:00Z | 2018-08-01 17:00Z | — | 8 h |
| 2018-08-03 13:00Z | 2018-08-04 01:00Z | — | 12 h |
| 2018-08-04 13:00Z | 2018-08-05 01:00Z | — | 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
1097 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
Timeline
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 · 21.9 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 · 65.6 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 · 87.3 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.