Exercises

Hazardous operations 071600Z to 080001Z dec, alternate 1600Z to 0001Z daily 09 thru 12 dec in area bound by…

Eastern North Pacific · California · NAVAREA XII 681/21

issued: 2021-12-03 03:42Z
status: cancelled 2021-12-07 23:55Z (archive)
self-cancels: 2021-12-13 01:01Z
authority: NAWCWD 022005Z DEC 21.
sea: North Pacific Ocean
position: 33.405, -120.036
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 071600Z TO 080001Z DEC,
   ALTERNATE 1600Z TO 0001Z DAILY 09 THRU 12 DEC
   IN AREA BOUND BY
   33-16-19N 119-30-23W, 33-31-22N 119-21-12W,
   33-53-22N 119-20-03W, 33-56-06N 119-49-24W,
   33-42-03N 120-39-14W, 32-55-48N 120-38-45W,
   32-55-51N 120-19-25W, 32-49-57N 120-19-25W,
   32-49-59N 120-04-51W, 32-47-11N 119-50-17W,
   33-13-52N 119-41-37W, 33-13-57N 119-32-22W.
2. CANCEL THIS MSG 130101Z DEC 21.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2021-12-07 16:00Z	2021-12-08 00:01Z	—	8 h 01
2021-12-09 16:00Z	2021-12-10 00:01Z	—	8 h 01
2021-12-10 16:00Z	2021-12-11 00:01Z	—	8 h 01
2021-12-11 16:00Z	2021-12-12 00:01Z	—	8 h 01
2021-12-12 16:00Z	2021-12-13 00:01Z	—	8 h 01

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

1106 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 681/21, 683/21 and this msg, operations completedcancelled by · 2021-12-07

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 · 35.1 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 · 67.5 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 · 90.7 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.