Exercises

Hazardous operations 1400Z to 2300Z daily 22 thru 24 sep, alternate 251400Z to 252300Z sep in area within 33…

Eastern North Pacific · California · NAVAREA XII 416/20

issued
2020-09-17 09:15Z
status
cancelled 2020-09-25 23:59Z (archive)
self-cancels
2020-09-25 23:59Z
authority
SEA RANGE OTC 141736Z SEP 20.
sea
North Pacific Ocean
position
33.283, -120.250 · r 33.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 1400Z TO 2300Z DAILY
   22 THRU 24 SEP,
   ALTERNATE 251400Z TO 252300Z SEP
   IN AREA WITHIN 33 MILES OF 33-17N 120-15W.
2. CANCEL THIS MSG 252359Z SEP 20.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2020-09-22 14:00Z2020-09-22 23:00Z—9 h
2020-09-23 14:00Z2020-09-23 23:00Z—9 h
2020-09-24 14:00Z2020-09-24 23:00Z—9 h
2020-09-25 14:00Z2020-09-25 23:00Z—9 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

1129 within 180 nm since 1999 · 8 in the last 12 months · 5 in force now

99
00
05
10
15
20
25
26

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

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.