Exercises

Hazardous operations 131330Z to 140130Z oct, alternate 150630Z to 151400Z, 151330Z to 160130Z, 160630Z to…

Eastern North Pacific · California · NAVAREA XII 584/21

issued: 2021-10-11 07:09Z
status: cancelled 2021-10-13 19:29Z (archive)
self-cancels: 2021-10-17 02:30Z
authority: SEA RANGE OTC 110304Z OCT 21.
sea: North Pacific Ocean
position: 33.603, -119.690
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 131330Z TO 140130Z OCT,
   ALTERNATE 150630Z TO 151400Z, 151330Z TO 160130Z,
   160630Z TO 161700Z AND 161330Z TO 170130Z OCT
   IN AREA BOUND BY
   33-51-25N 119-10-07W, 33-20-52N 119-10-10W,
   33-21-01N 120-12-37W, 33-51-26N 120-12-46W.
2. CANCEL THIS MSG 170230Z OCT 21.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2021-10-13 13:30Z	2021-10-14 01:30Z	—	12 h
2021-10-15 06:30Z	2021-10-15 14:00Z	—	7 h 30
2021-10-15 13:30Z	2021-10-16 01:30Z	—	12 h
2021-10-16 06:30Z	2021-10-16 17:00Z	—	10 h 30
2021-10-16 13:30Z	2021-10-17 01:30Z	—	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

1092 within 180 nm since 1999 · 6 in the last 12 months · 5 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA XII 584/21 and this msg, operations canceledcancelled by · 2021-10-13

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 · 14.1 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 · 61.2 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 · 81.8 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 · 116.3 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.