Exercises

Hazardous operations 281830Z to 290100Z aug, alternate 1500Z to 0100Z daily 29 thru 31 aug in area within 22…

Eastern North Pacific · California · NAVAREA XII 577/23

issued
2023-08-24 08:08Z
status
cancelled 2023-09-01 02:00Z (archive)
self-cancels
2023-09-01 02:00Z
authority
SEA RANGE OTC 0/23 232000Z AUG 23.
sea
North Pacific Ocean
position
33.067, -120.000 · r 22.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 281830Z TO 290100Z AUG,
   ALTERNATE 1500Z TO 0100Z DAILY 29 THRU 31 AUG
   IN AREA WITHIN 22 MILES OF 33-04.00N 120-00.00W.
2. CANCEL THIS MSG 010200Z SEP 23.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2023-08-28 18:30Z2023-08-29 01:00Z—6 h 30
2023-08-29 15:00Z2023-08-30 01:00Z—10 h
2023-08-30 15:00Z2023-08-31 01:00Z—10 h
2023-08-31 15:00Z2023-09-01 01:00Z—10 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

1101 within 180 nm since 1999 · 5 in the last 12 months · 5 in force now

99
00
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26

Season · when military exercises happen here

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F
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A
M
J
J
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month of issue, all years in the archive

Nearby now · 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.