Exercises

Hazardous operations 251300Z to 260100Z oct, alternate 271300Z to 280100Z oct in area within nine miles of…

Eastern North Pacific · California · NAVAREA XII 440/18

issued: 2018-10-20 05:21Z
status: cancelled 2018-10-28 02:00Z (archive)
self-cancels: 2018-10-28 02:00Z
authority: SEA RANGE OTC 161740Z OCT 18.
sea: North Pacific Ocean
position: 33.767, -119.433 · r 9.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 251300Z TO 260100Z OCT,
   ALTERNATE 271300Z TO 280100Z OCT
   IN AREA WITHIN NINE MILES OF 33-46N 119-26W.
2. CANCEL THIS MSG 280200Z OCT 18.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2018-10-25 13:00Z	2018-10-26 01:00Z	—	12 h
2018-10-27 13:00Z	2018-10-28 01:00Z	—	12 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

1088 within 180 nm since 1999 · 8 in the last 12 months · 5 in force now

Season · when military exercises happen here

month of issue, all years in the archive

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 · 2.3 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 · 61.7 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 · 79 nm
Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Exercises · 115 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.