Exercises

Gunnery exercises 102100Z to 110900Z may, alternate 2100Z to 0900Z daily 11 thru 13 may in area within 25…

Western North Pacific · HYDROPAC 1370/21

issued
2021-05-06 23:52Z
status
cancelled 2021-05-14 10:00Z (archive)
self-cancels
2021-05-14 10:00Z
authority
NAVAREA XI 156/21 062335Z MAY 21.
sea
North Pacific Ocean
position
31.237, 144.447 · r 25.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. GUNNERY EXERCISES 102100Z TO 110900Z MAY,
   ALTERNATE 2100Z TO 0900Z DAILY 11 THRU 13 MAY
   IN AREA WITHIN 25 MILES OF 31-14-14N 144-26-48E.
2. CANCEL THIS MSG 141000Z MAY 21.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2021-05-10 21:00Z2021-05-11 09:00Z12 h
2021-05-11 21:00Z2021-05-12 09:00Z12 h
2021-05-12 21:00Z2021-05-13 09:00Z12 h
2021-05-13 21:00Z2021-05-14 09:00Z12 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

131 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
24

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.