Exercises

Hazardous operations are taking place in the North Pacific off California from 20:00 UTC September 9 to 02:00 UTC September 10.

North Pacific · California · NAVAREA XII 615/26

issued: 2026-09-08 15:14Z
status: cancelled 2026-09-08 17:45Z (dropped from inforce)
self-cancels: 2026-09-10 03:00Z
sea: North Pacific Ocean
position: 33.259, -120.160
source: nga_inforce · first seen 2026-09-08 18:17Z

Original warning text

NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 092000Z TO 100200Z SEP
   IN AREA BOUND BY
   33-32.00N 120-21.00W, 32-45.00N 120-53.00W,
   32-33.00N 120-41.00W, 33-11.00N 119-49.00W,
   33-37.00N 119-25.00W, 33-54.00N 119-44.00W.
2. CANCEL THIS MSG 100300Z SEP 26.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2026-09-09 20:00Z	2026-09-10 02:00Z	—	6 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

1141 within 180 nm since 1999 · 17 in the last 12 months · 4 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Exercises · 69.6 nm
Hazardous operations 081900Z to 090300Z sep in area within one mile of 33-01.73N 118-35.32WExercises · 80.2 nm
Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Exercises · 93.4 nm

Worldwide now

31 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.