Exercises

Hazardous operations 021530Z to 021930Z aug, altrmate 031730Z to 032330Z aug in area bound by 34-39.78N,…

Eastern North Pacific · California · NAVAREA XII 484/23

issued: 2023-07-31 21:37Z
status: cancelled 2023-08-04 00:30Z (archive)
self-cancels: 2023-08-04 00:30Z
authority: SEA RANGE OTC 0/23 312128Z JUL 23.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 021530Z TO 021930Z AUG,
   ALTRMATE 031730Z TO 032330Z AUG
   IN AREA BOUND BY
   34-39.78N, 121-13.13W, 34-23.71N, 121-02.12W,
   34-02.52N, 121-26.45W, 33-30.63N, 121-51.00W,
   33-24.12N, 122-08.68W, 33-48.35N, 122-37.66W,
   34-29.08N, 122-52.25W, 34-35.42N, 122-30.08W,
   34-33.17N, 121-39.20W.
2. CANCEL THIS MSG 040030Z AUG 23.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2023-08-02 15:30Z	2023-08-02 19:30Z	—	4 h
2023-08-03 17:30Z	2023-08-03 23:30Z	—	6 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Nearby now · within 120 nm

Nothing else in force within 120 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.