Exercises
Hazardous operations: a. 030631Z to 031336Z apr, alternate 040631Z to 041336Z apr in area bound by 34-56N…
Eastern North Pacific · California · NAVAREA XII 200/22
- issued
- 2022-03-30 15:25Z
- status
- cancelled 2022-04-01 02:57Z (archive)
- self-cancels
- 2022-04-04 14:36Z
- cancels
- NAVAREA XII 196/22
- authority
- WESTERN RANGE 301511Z MAR 22.
- sea
- North Pacific Ocean
- position
- 34.742, -122.851
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS:
A. 030631Z TO 031336Z APR, ALTERNATE
040631Z TO 041336Z APR IN AREA BOUND BY
34-56N 121-22W, 34-56N 120-37W,
34-47N 120-37W, 34-42N 120-57W,
34-42N 121-22W.
B. 030631Z TO 031326Z APR, ALTERNATE
040631Z TO 041326Z APR IN AREA BOUND BY
34-16N 124-53W, 34-35N 124-57W
34-54N 122-10W, 34-34N 122-07W.
C. 030631Z TO 031326Z APR, ALTERNATE
040631Z TO 041326Z APR IN AREA BOUND BY
32-18N 137-15W, 32-37N 137-21W,
32-53N 136-06W, 32-34N 136-01W.
2. CANCEL NAVAREA XII 196/22.
3. CANCEL THIS MSG 041436Z APR 22.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-04-03 06:31Z | 2022-04-03 13:26Z | — | 6 h 55 |
| 2022-04-03 06:31Z | 2022-04-03 13:36Z | — | 7 h 05 |
| 2022-04-04 06:31Z | 2022-04-04 13:26Z | — | 6 h 55 |
| 2022-04-04 06:31Z | 2022-04-04 13:36Z | — | 7 h 05 |
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
753 within 180 nm since 1999 · 3 in the last 12 months · 1 in force now
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- 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 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
- Hazardous operations 081630Z to 082230Z may in area bound by 33-49.71N 119-32.29W, 33-22.68N 119-09.16W,…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
- Hazardous operations: a. 030631Z to 031336Z apr in area bound by 34-56N 121-22W, 34-56N 120-37W, 34-47N…cancels · 2022-03-29
- Hazardous operations: a. 030631Z to 031336Z apr in area bound by 34-56N 121-22W, 34-56N 120-37W, 34-47N…replaced · 2022-03-29
- Cancel NAVAREA XII 200/22 and this msg, operations cancelledcancelled by · 2022-04-01
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.