Exercises
Hazardous operations
Eastern North Pacific · California · NAVAREA XII 105/15
- issued
- 2015-03-25 09:26Z
- status
- cancelled 2015-03-31 18:00Z (archive)
- self-cancels
- 2015-03-31 18:00Z
- authority
- FACSFAC SAN DIEGO 242340Z MAR 15.
- sea
- North Pacific Ocean
- position
- 35.175, -122.627
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 271000Z TO 271800Z MAR AND
0830Z TO 1700Z DAILY 28 THRU 31 MAR IN AREAS BOUND BY:
A. 35-22N 123-40W, 35-13N 123-34W,
35-21N 123-16W.
B. 35-19N 122-53W, 35-04N 122-42W,
35-17N 122-15W.
2. CANCEL THIS MSG 311800Z MAR 15.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-03-27 10:00Z | 2015-03-27 18:00Z | — | 8 h |
| 2015-03-28 08:30Z | 2015-03-28 17:00Z | — | 8 h 30 |
| 2015-03-29 08:30Z | 2015-03-29 17:00Z | — | 8 h 30 |
| 2015-03-30 08:30Z | 2015-03-30 17:00Z | — | 8 h 30 |
| 2015-03-31 08:30Z | 2015-03-31 17:00Z | — | 8 h 30 |
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
717 within 180 nm since 1999 · 4 in the last 12 months · 1 in force now
99
00
05
10
15
20
25
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 151900Z to 160000Z may in area bound by 34-39.47N 121-13.08W, 34-23.43N 121-02.07W,…2024-05-09
- 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force 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.