Exercises

Hazardous operations 161400Z to 170100Z aug, alternate 1400Z to 0100Z daily 17 thru 19 aug in area within 16…

Eastern North Pacific · California · NAVAREA XII 558/22

issued: 2022-08-11 08:29Z
status: cancelled 2022-08-20 02:00Z (archive)
self-cancels: 2022-08-20 02:00Z
authority: SEA RANGE OTC 0/22 100919Z AUG 22.
sea: North Pacific Ocean
position: 33.250, -120.117 · r 16.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 161400Z TO 170100Z AUG,
   ALTERNATE 1400Z TO 0100Z DAILY 17 THRU 19 AUG
   IN AREA WITHIN 16 MILES OF 33-15.00N 120-07.00W.
2. CANCEL THIS MSG 200200Z AUG 22.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2022-08-16 14:00Z	2022-08-17 01:00Z	—	11 h
2022-08-17 14:00Z	2022-08-18 01:00Z	—	11 h
2022-08-18 14:00Z	2022-08-19 01:00Z	—	11 h
2022-08-19 14:00Z	2022-08-20 01:00Z	—	11 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

1116 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 · 44.2 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 · 67.4 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 · 91.2 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.