Exercises
Hazardous operations 291530Z to 292030Z mar in area within 39 miles of 33-05-00N 121-01-00W
Eastern North Pacific · California · NAVAREA XII 125/18
- issued
- 2018-03-26 20:21Z
- status
- cancelled 2018-03-30 21:30Z (archive)
- self-cancels
- 2018-03-30 21:30Z
- authority
- SEA RANGE OTC 261902Z MAR 18.
- sea
- North Pacific Ocean
- position
- 34.707, -121.881
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 291530Z TO 292030Z MAR IN AREA WITHIN 39 MILES OF 33-05-00N 121-01-00W. 2. HAZARDOUS OPERATIONS ALTERNATE 301530Z TO 302030Z MAR IN AREA WITHIN 39 MILES OF 34-40-00N 121-52-50W. 3. CANCEL THIS MSG 302130Z MAR 18.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-03-29 15:30Z | 2018-03-29 20:30Z | — | 5 h |
| 2018-03-30 15:30Z | 2018-03-30 20:30Z | — | 5 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
786 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.