Exercises
Hazardous operations 251051Z to 251239Z jul, alternate 1051Z to 1239Z daily 26 thru 28 jul in area bound by…
Eastern North Pacific · California · NAVAREA XII 287/18
- issued
- 2018-07-20 03:31Z
- status
- cancelled 2018-07-25 12:13Z (archive)
- self-cancels
- 2018-07-28 13:39Z
- cancels
- NAVAREA XII 282/18
- authority
- WESTERN RANGE 110004Z JUL 18.
- sea
- North Pacific Ocean
- position
- 30.624, -119.963
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 251051Z TO 251239Z JUL, ALTERNATE 1051Z TO 1239Z DAILY 26 THRU 28 JUL IN AREA BOUND BY 32-36N 120-32W, 32-54N 120-14W, 32-54N 119-54W, 32-37N 119-41W, 32-16N 119-32W, 29-28N 118-47W, 28-47N 119-06W, 28-41N 119-32W, 28-44N 120-35W, 32-09N 121-00W. 2. CANCEL NAVAREA XII 282/18. 3. CANCEL THIS MSG 281339Z JUL 18.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-07-25 10:51Z | 2018-07-25 12:39Z | — | 1 h 48 |
| 2018-07-26 10:51Z | 2018-07-26 12:39Z | — | 1 h 48 |
| 2018-07-27 10:51Z | 2018-07-27 12:39Z | — | 1 h 48 |
| 2018-07-28 10:51Z | 2018-07-28 12:39Z | — | 1 h 48 |
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
938 within 180 nm since 1999 · 5 in the last 12 months · 3 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 221200Z to 230100Z aug, alternate 1230Z to 0100Z daily 23 and 24 aug in area bound by:…2026-08-17
- 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
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…2026-07-23
- Hazardous operations 091900Z to 092200Z may in area bound by 33-53.45N 120-27.05W, 33-43.15N 119-46.30W,…2024-05-04
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Hazardous operations 201107Z to 201307Z jul, alternate 1107Z to 1307Z daily 21 thru 25 jul in area bound by…cancels · 2018-07-15
- Hazardous operations 201107Z to 201307Z jul, alternate 1107Z to 1307Z daily 21 thru 25 jul in area bound by…replaced · 2018-07-15
- Cancel NAVAREA XII 287/18 and this msg, operations completedcancelled by · 2018-07-25
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.