Exercises

Hazardous operations 0001Z to 0400Z daily 08 thru 11 dec in area within five miles of 13-29.00N 144-25.00E

North Pacific · Philippine Sea · Guam · HYDROPAC 3191/25

issued
2025-12-03 05:12Z
status
cancelled 2026-01-16 18:00Z (dropped from snapshot)
self-cancels
2025-12-11 05:00Z
sea
Philippine Sea
position
13.483, 144.417 · r 5.0 nm
source
nga_wayback · first seen 2025-12-04 16:15Z

Original warning text

NORTH PACIFIC.
PHILIPPINE SEA.
GUAM.
DNC 12.
1. HAZARDOUS OPERATIONS 0001Z TO 0400Z
   DAILY 08 THRU 11 DEC IN AREA WITHIN
   FIVE MILES OF 13-29.00N 144-25.00E.
2. CANCEL THIS MSG 110500Z DEC 25.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2025-12-08 00:01Z2025-12-08 04:00Z3 h 59
2025-12-09 00:01Z2025-12-09 04:00Z3 h 59
2025-12-10 00:01Z2025-12-10 04:00Z3 h 59
2025-12-11 00:01Z2025-12-11 04:00Z3 h 59

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

1952 within 180 nm since 2002 · 10 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

36 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.