Exercises

Hazardous operations 251500Z to 251900Z and 301900Z to 302300Z may in area bound by 33-25.22N 120-32.35W,…

Eastern North Pacific · California · NAVAREA XII 316/23

issued: 2023-05-24 18:27Z
status: cancelled 2023-05-31 00:01Z (archive)
self-cancels: 2023-05-31 00:01Z
authority: SEA RANGE OTC 0/23 241823Z MAY 23.
sea: North Pacific Ocean
position: 33.012, -120.455
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 251500Z TO 251900Z AND
   301900Z TO 302300Z MAY IN AREA BOUND BY
   33-25.22N 120-32.35W, 33-24.90N 119-58.97W,
   32-52.80N 119-53.82W, 32-28.83N 120-31.95W,
   32-47.08N 120-58.75W, 33-17.23N 120-57.65W.
2. CANCEL THIS MSG 310001Z MAY 23.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2023-05-25 15:00Z	2023-05-25 19:00Z	—	4 h
2023-05-30 19:00Z	2023-05-30 23:00Z	—	4 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

1129 within 180 nm since 1999 · 5 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 · 66.4 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 · 80.7 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 · 104.8 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.