Nav aids

Nga chart 36044 (1ST ed)

Wales-south Coast · HYDROLANT 947/10

issued
2010-05-25 06:10Z
status
cancelled 2010-05-27 17:00Z (archive)
self-cancels
2010-05-27 17:00Z
authority
WZ 590/10 242245Z MAY 10.
sea
Bristol Channel
position
51.400, -3.552
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WALES-SOUTH COAST.
NGA CHART 36044 (1ST ED).
1. DGPS STATION AT NASH POINT LIGHT
   51-24.0N 003-33.1W OFF AIR
   0800Z TO 1600Z DAILY 25 THRU 27 MAY.
2. CANCEL THIS MSG 271700Z MAY.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2010-05-25 08:00Z2010-05-25 16:00Z8 h
2010-05-26 08:00Z2010-05-26 16:00Z8 h
2010-05-27 08:00Z2010-05-27 16:00Z8 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 · aids-to-navigation notices

1740 within 180 nm since 1997 · 1 in the last 12 months · 1 in force now

97
00
05
10
15
20
25
26

Season · when aids-to-navigation notices 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

195 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices

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.