Exercises

Hazardous operations 291500Z to 292359Z aug, alternate 301500Z to 302359Z aug in area bound by 33-49N…

Eastern North Pacific · California · NAVAREA XII 384/20

issued: 2020-08-24 08:48Z
status: cancelled 2020-08-31 00:59Z (archive)
self-cancels: 2020-08-31 00:59Z
authority: SEA RANGE OTC 202120Z AUG 20.
sea: North Pacific Ocean
position: 33.094, -120.323
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 291500Z TO 292359Z AUG,
   ALTERNATE 301500Z TO 302359Z AUG
   IN AREA BOUND BY
   33-49N 119-42W, 33-47N 119-22W,
   33-16N 118-57W, 32-50N 119-17W,
   32-43N 119-29W, 32-24N 121-26W,
   33-10N 121-45W.
2. CANCEL THIS MSG 310059Z AUG 20.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2020-08-29 15:00Z	2020-08-29 23:59Z	—	8 h 59
2020-08-30 15:00Z	2020-08-30 23:59Z	—	8 h 59

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

1130 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 · 58.2 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 · 74.9 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 · 99 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.