Exercises

Hazardous operations 171000Z to 172000Z may, alternate 1000Z to 2000Z daily 19 and 22 may in area bound by…

Eastern North Pacific · California · NAVAREA XII 210/21

issued: 2021-05-12 09:31Z
status: cancelled 2021-05-17 16:14Z (archive)
self-cancels: 2021-05-22 21:00Z
authority: NAWCWD 101554Z MAY 21.
sea: North Pacific Ocean
position: 33.355, -120.823
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 171000Z TO 172000Z MAY,
   ALTERNATE 1000Z TO 2000Z DAILY 19 AND 22 MAY
   IN AREA BOUND BY
   33-08-45N 121-27-34W, 33-27-41N 121-29-48W,
   33-33-57N 120-11-14W, 33-14-46N 120-09-15W.
2. CANCEL THIS MSG 222100Z MAY 21.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2021-05-17 10:00Z	2021-05-17 20:00Z	—	10 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

1138 within 180 nm since 1999 · 4 in the last 12 months · 4 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA XII 210/21, 211/21, 212/21 and this msg, operations completedcancelled by · 2021-05-17

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 · 71.5 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 · 103 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.