Exercises

California 1. hazardous operations 311400Z to 312359Z may, alternate 1400Z to 2359Z daily 01 thru 03 jun in…

Eastern North Pacific · NAVAREA XII 338/22

issued: 2022-05-26 21:43Z
status: cancelled 2022-06-01 10:44Z (archive)
self-cancels: 2022-06-04 00:59Z
authority: SEA RANGE OTC 0/22 261859Z MAY 22.
sea: North Pacific Ocean
position: 33.489, -120.039
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA
1. HAZARDOUS OPERATIONS 311400Z TO 312359Z MAY,
   ALTERNATE 1400Z TO 2359Z DAILY 01 THRU 03 JUN
   IN AREAS BOUND BY:
A. 33-48.31N 120-44.06W, 33-42.57N 120-02.17W,
   33-15.49N 119-12.76W, 33-05.07N 119-46.57W,
   33-17.38N 120-43.57W.
B. 33-54.60N 119-44.64W, 33-39.42N 119-20.05W,
   33-27.23N 119-45.16W, 33-43.28N 120-30.83W.
2. CANCEL THIS MSG 040059Z JUN 22.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2022-05-31 14:00Z	2022-05-31 23:59Z	—	9 h 59
2022-06-01 14:00Z	2022-06-01 23:59Z	—	9 h 59
2022-06-02 14:00Z	2022-06-02 23:59Z	—	9 h 59
2022-06-03 14:00Z	2022-06-03 23:59Z	—	9 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

1108 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

Timeline

Cancel NAVAREA XII 338/22 and this msg, operations completedcancelled by · 2022-06-01

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 · 32.4 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 · 70.2 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 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.