Exercises
Hazardous operations 061500Z to 062359Z apr, alternate 1500Z to 2359Z daily 07 thru 10 apr in area bound by…
Eastern North Pacific · California · NAVAREA XII 141/21
- issued
- 2021-04-02 08:20Z
- status
- cancelled 2021-04-11 00:59Z (archive)
- self-cancels
- 2021-04-11 00:59Z
- authority
- SEA RANGE OTC 292112Z MAR 21.
- sea
- North Pacific Ocean
- position
- 33.251, -120.278
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 061500Z TO 062359Z APR, ALTERNATE 1500Z TO 2359Z DAILY 07 THRU 10 APR IN AREA BOUND BY 33-52N 120-30W, 33-42N 119-50W, 33-24N 119-36W, 33-01N 119-36W, 32-40N 120-03W, 32-40N 120-32W, 33-01N 120-54W, 33-34N 120-56W. 2. CANCEL THIS MSG 110059Z APR 21.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-04-06 15:00Z | 2021-04-06 23:59Z | — | 8 h 59 |
| 2021-04-07 15:00Z | 2021-04-07 23:59Z | — | 8 h 59 |
| 2021-04-08 15:00Z | 2021-04-08 23:59Z | — | 8 h 59 |
| 2021-04-09 15:00Z | 2021-04-09 23:59Z | — | 8 h 59 |
| 2021-04-10 15:00Z | 2021-04-10 23:59Z | — | 8 h 59 |
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
1131 within 180 nm since 1999 · 8 in the last 12 months · 5 in force now
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26
- 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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M
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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 · 50.3 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 · 75 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 · 99 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.