Exercises

Hazardous operations 171000Z to 172000Z may, alternate 1000Z to 2000Z daily 19 and 22 may in area bound by…

Eastern North Pacific · NAVAREA XII 212/21

issued
2021-05-12 09:48Z
status
cancelled 2021-05-17 16:14Z (archive)
self-cancels
2021-05-22 21:00Z
authority
NAWCWD 101546Z MAY 21.
sea
North Pacific Ocean
position
31.034, -136.825
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
1. HAZARDOUS OPERATIONS 171000Z TO 172000Z MAY,
   ALTERNATE 1000Z TO 2000Z DAILY 19 AND 22 MAY
   IN AREA BOUND BY
   31-13-21N 136-21-34W, 31-04-36N 137-16-57W,
   30-49-37N 137-15-27W, 31-01-22N 136-20-03W.
2. CANCEL THIS MSG 222100Z MAY 21.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2021-05-17 10:00Z2021-05-17 20:00Z10 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

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

99
00
05
10
15
20
23

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.