Nav aids

Round island light 49-59N 006-19W at reduced intensity 250700Z to 251100Z jun and RACON unreliable 250700Z…

HYDROLANT 1407/02

issued: 2002-06-25 05:20Z
status: cancelled 2002-06-25 15:00Z (archive)
self-cancels: 2002-06-25 15:00Z
authority: WZ 990/02 242107Z JUN 02
sea: Celtic Sea
position: 49.983, -6.317
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 36180 (23RD ED).
1. ROUND ISLAND LIGHT 49-59N 006-19W AT REDUCED INTENSITY
   250700Z TO 251100Z JUN AND RACON UNRELIABLE
   250700Z TO 250900Z AND 251200Z TO 251400Z JUN.
2. CANCEL THIS MSG 251500Z JUN.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2002-06-25 07:00Z	2002-06-25 09:00Z	—	2 h
2002-06-25 07:00Z	2002-06-25 11:00Z	—	4 h
2002-06-25 12:00Z	2002-06-25 14:00Z	—	2 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

1199 within 180 nm since 1997 · 1 in the last 12 months · 1 in force now

Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
Ile vierge light 48-38.30N 004-34.10W unlit2024-05-03
Fog signal at mumbles head light 51-34.00N 003-58.30W inoperative2024-04-26
Ile vierge light 48-38.32N 004-34.04W range reduced2024-04-23
Bishop rock light 49-52.40N 006-26.70W unreliable2024-04-11
Ile de penfret light 47-43.30N 003-57.20W range reduced to 11 miles until 02 apr2024-04-01

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Fowey light 50-19.60N 004-38.90W unreliableNav aids · 67.4 nm

Worldwide now

193 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.