Exercises

Hazardous operations

North Pacific · Mariana Islands · HYDROPAC 1907/13

issued: 2013-07-01 09:52Z
status: cancelled 2013-07-07 14:55Z (archive)
self-cancels: 2013-07-07 14:55Z
authority: COMCOGARD SECTOR GUAM 290/13 300653Z JUL 13.
sea: North Pacific Ocean
position: 16.018, 146.060 · 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 020001Z TO 021355Z JUL
   AND 2000Z TO 1355Z COMMENCING DAILY
   03 THRU 06 JUL WITHIN TEN MILES OF
   16-01-06N 146-03-35E.
2. CANCEL THIS MSG 071455Z JUL 13.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2013-07-02 00:01Z	2013-07-02 13:55Z	—	13 h 54
2013-07-03 20:00Z	2013-07-04 13:55Z	—	17 h 55
2013-07-04 20:00Z	2013-07-05 13:55Z	—	17 h 55
2013-07-05 20:00Z	2013-07-06 13:55Z	—	17 h 55
2013-07-06 20:00Z	2013-07-07 13:55Z	—	17 h 55

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

1451 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Due to tropical storm, the following ports are closed, until further noticeOther · 59.6 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.