Exercises
Hazardous operations 081400Z to 090100Z dec, alternate 091400Z to 100100Z and 101400Z to 110100Z dec in area…
Eastern North Pacific · California · NAVAREA XII 687/21
- issued
- 2021-12-06 19:31Z
- status
- cancelled 2021-12-08 22:24Z (archive)
- self-cancels
- 2021-12-11 02:00Z
- authority
- SEA RANGE OTC 022016Z DEC 21.
- sea
- North Pacific Ocean
- position
- 33.426, -120.413
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 081400Z TO 090100Z DEC, ALTERNATE 091400Z TO 100100Z AND 101400Z TO 110100Z DEC IN AREA BOUND BY 34-03N 121-04W, 34-01N 120-39W, 33-24N 119-38W, 33-02N 119-32W, 32-48N 119-45W, 32-50N 120-11W, 33-28N 121-12W, 33-50N 121-18W. 2. CANCEL THIS MSG 110200Z DEC 21.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-12-08 14:00Z | 2021-12-09 01:00Z | — | 11 h |
| 2021-12-09 14:00Z | 2021-12-10 01:00Z | — | 11 h |
| 2021-12-10 14:00Z | 2021-12-11 01:00Z | — | 11 h |
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
1134 within 180 nm since 1999 · 6 in the last 12 months · 5 in force now
99
00
05
10
15
20
25
26
- 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
- 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
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 687/21 and this msg, operations completedcancelled by · 2021-12-08
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 · 50.8 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 · 85.1 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 · 108.7 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.