Exercises

Hazardous operations

Eastern North Pacific · NAVAREA XII 228/13

issued
2013-09-13 10:55Z
status
cancelled 2013-09-14 01:49Z (archive)
self-cancels
2013-09-17 21:00Z
cancels
NAVAREA XII 223/13
authority
FACSFAC SAN DIEGO 122341Z SEP 13 - FACSFAC SAN DIEGO 122340Z SEP 13.
sea
North Pacific Ocean
position
29.749, -120.313
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1600Z TO 2000Z DAILY
   15 THRU 17 SEP IN AREA BOUND BY
   32-12N 119-42W, 31-42N 120-15W,
   31-20N 121-16W, 27-08N 121-13W,
   28-49N 119-10W, 30-12N 119-14W.
2. CANCEL NAVAREA XII 223/13.
3. CANCEL THIS MSG 172100Z SEP 13.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2013-09-15 16:00Z2013-09-15 20:00Z4 h
2013-09-16 16:00Z2013-09-16 20:00Z4 h
2013-09-17 16:00Z2013-09-17 20:00Z4 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

136 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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24

Season · when military exercises happen here

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M
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month of issue, all years in the archive

Timeline

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.