Exercises

Hazardous operations

Western North Pacific · Mariana Islands · HYDROPAC 3252/13

issued
2013-10-21 09:29Z
status
cancelled 2013-10-23 16:00Z (archive)
self-cancels
2013-10-23 16:00Z
authority
COMCOGARD SECTOR GUAM 490/13 200537Z OCT 13.
sea
North Pacific Ocean
position
16.017, 146.067 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1000Z TO 1500Z
   DAILY 21 THRU 23 OCT WITHIN
   TEN MILES OF 16-01N 146-04E.
2. CANCEL THIS MSG 231600Z OCT 13.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2013-10-21 10:00Z2013-10-21 15:00Z5 h
2013-10-22 10:00Z2013-10-22 15:00Z5 h
2013-10-23 10:00Z2013-10-23 15:00Z5 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

1446 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now

02
05
10
15
20
25
26

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

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.