Exercises

Hazardous operations 161430Z to 161930Z may, alternate 171430Z 171930Z may in area within 36 miles of 34-39N…

Eastern North Pacific · California · NAVAREA XII 215/18

issued
2018-05-14 17:06Z
status
cancelled 2018-05-17 20:30Z (archive)
self-cancels
2018-05-17 20:30Z
authority
SEA RANGE OTC 141615Z MAY 18.
sea
North Pacific Ocean
position
34.650, -121.883 · r 36.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 161430Z TO 161930Z MAY,
   ALTERNATE 171430Z 171930Z MAY
   IN AREA WITHIN 36 MILES OF 34-39N 121-53W.
2. CANCEL THIS MSG 172030Z MAY 18.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2018-05-16 14:30Z2018-05-16 19:30Z5 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

792 within 180 nm since 1999 · 4 in the last 12 months · 1 in force now

99
00
05
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25
26

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
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N
D

month of issue, all years in the archive

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.