Exercises

Hazardous operations are in effect off California from August 22 to 24, with alternate times daily, within a defined area.

North Pacific · California · NAVAREA XII 561/26

issued: 2026-08-17 17:15Z
status: cancelled 2026-08-19 18:30Z (dropped from inforce)
self-cancels: 2026-08-25 01:00Z
sea: North Pacific Ocean
position: 33.406, -120.103
source: nga_inforce · first seen 2026-08-19 19:17Z

Original warning text

NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 221200Z TO 230100Z AUG,
   ALTERNATE 1230Z TO 0100Z DAILY 23 AND 24  AUG
   IN AREA BOUND BY:
   33-49.00N 120-05.00W, 33-42.00N 120-46.00W,
   33-14.00N 120-38.00W, 32-50.00N 120-14.00W,
   33-10.00N 119-33.00W, 33-51.00N 119-33.00W.
2. CANCEL THIS MSG 250100Z AUG 26.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2026-08-22 12:00Z	2026-08-23 01:00Z	—	13 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

1115 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

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 · 37.7 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 · 70.5 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 · 93.8 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.