Exercises
Hazardous operations 070631Z to 071338Z nov, alternate 080631Z to 081338Z nov in areas bound by: a. 34-15N…
Eastern North Pacific · California · NAVAREA XII 472/18
- issued
- 2018-11-02 08:50Z
- status
- cancelled 2018-11-07 07:46Z (archive)
- self-cancels
- 2018-11-08 14:38Z
- authority
- WESTERN RANGE 191912Z OCT 18.
- sea
- North Pacific Ocean
- position
- 34.575, -123.374
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 070631Z TO 071338Z NOV,
ALTERNATE 080631Z TO 081338Z NOV
IN AREAS BOUND BY:
A. 34-15N 124-43W, 34-36N 124-47W,
34-54N 122-01W, 34-33N 121-58W.
B. 32-30N 136-34W, 32-48N 136-39W,
32-58N 135-52W, 32-40N 135-47W.
2. CANCEL THIS MSG 081438Z NOV 18.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-11-07 06:31Z | 2018-11-07 13:38Z | — | 7 h 07 |
| 2018-11-08 06:31Z | 2018-11-08 13:38Z | — | 7 h 07 |
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
540 within 180 nm since 1999 · 3 in the last 12 months · 0 in force now
99
00
05
10
15
20
25
26
- 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 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- 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
- Hazardous operations 082000Z to 090130Z may in area bound by 34-39.78N 121-13.13W, 34-23.72N 121-02.12W,…2024-05-03
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
Timeline
- Cancel NAVAREA XII 472/18 and this msg, operations completedcancelled by · 2018-11-07
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.