Exercises

Hazardous operations

North Pacific · Mariana Islands · HYDROPAC 258/10

issued
2010-02-10 12:42Z
status
cancelled 2010-02-13 07:30Z (archive)
self-cancels
2010-02-13 07:30Z
authority
COMCOGARD SECTOR GUAM 27/10 092022Z FEB 10.
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

NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 2330Z TO 0630Z
   COMMENCING DAILY UNTIL 12 FEB
   WITHIN TEN MILES OF 16-01N 146-04E.
2. CANCEL THIS MSG 130730Z FEB.

This area · military exercises

1444 within 180 nm since 2002 · 1 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

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.