Other

Underwater ordnance detonation 271600Z to 300400Z oct in area within two miles of 21-17-29N 157-59-14W

Eastern North Pacific · Hawaii · NAVAREA XII 484/20

issued
2020-10-23 22:05Z
status
cancelled 2020-10-30 05:00Z (archive)
self-cancels
2020-10-30 05:00Z
authority
COMTHIRDFLT 232040Z OCT 20.
sea
North Pacific Ocean
position
21.291, -157.987 · r 2.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
HAWAII.
1. UNDERWATER ORDNANCE DETONATION 271600Z TO
   300400Z OCT IN AREA WITHIN TWO MILES OF
   21-17-29N 157-59-14W.
2. CANCEL THIS MSG 300500Z OCT 20.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-10-27 16:00Z2020-10-30 04:00Z—60 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 · other warnings

44 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
20
23

Season · when other warnings 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

Nothing else in force within 120 nm.

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.