Exercises

Hazardous operations 181600Z to 190100Z nov, alternate 191600Z to 200100Z and 201600Z to 210100Z nov in area…

Eastern North Pacific · California · NAVAREA XII 645/21

issued: 2021-11-14 18:02Z
status: cancelled 2021-11-18 22:03Z (archive)
self-cancels: 2021-11-21 02:00Z
authority: NAWCWD 141737Z NOV 21.
sea: North Pacific Ocean
position: 32.985, -120.104
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 181600Z TO 190100Z NOV,
   ALTERNATE 191600Z TO 200100Z AND 201600Z TO
   210100Z NOV IN AREA BOUND BY
   33-22-48N 119-37-29W, 33-35-09N 120-03-02W,
   33-24-22N 120-38-41W, 33-02-03N 120-50-30W,
   32-27-38N 120-30-09W, 32-25-23N 119-54-41W,
   32-32-20N 119-43-59W, 32-48-01N 119-19-48W,
   33-12-11N 119-29-44W.
2. CANCEL THIS MSG 210200Z NOV 21.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2021-11-18 16:00Z	2021-11-19 01:00Z	—	9 h
2021-11-19 16:00Z	2021-11-20 01:00Z	—	9 h
2021-11-20 16:00Z	2021-11-21 01:00Z	—	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

1114 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 645/21, 648/21 and this msg, operations completedcancelled by · 2021-11-18

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 · 56.1 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 · 63 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 · 87.1 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 · 113.3 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.