Data



Data Notes



Extracted from Database

11 Mar 2019

LLANDUDNO

Station Information

Station ID: 1854
Latitude: 53.331667
Longitude: -3.825222
Coastline code: 170
Station code: 196
Country: UNITED KINGDOM
Time span of data: 1994 – 2017
Completeness (%): 86
Date of last update: 06 Jun 2018

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at LLANDUDNO.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at LLANDUDNO.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby Real Time Stations from VLIZ: llan

Station Documentation

Link to RLR information.

Documentation added 2001-01-02

Recent work on vertical land movements in the UK can be found from
the University of Nottingham web site:
http://ukcogr.iessg.nottingham.ac.uk/~eosi/

Documentation added 2012-05-17

Llandudno has been made an RLR station. Primary benchmark TGBM. TGZ (ACD) is
12.558m below TGBM. RLR factor is 2.942m.

Documentation added 2014-07-03

There was some disruption to some high waters during June. There were 2 TGI visits 04.07.2013 for general maintenance to change the compressor and carry out a survey. 19.12.2013 to inspect the site for storm surge damage and investigate a phone line fault.

Documentation added 2015-06-02

There were no site visits to Llandudno during 2014.

Data Authority

British Oceanographic Data Centre
National Oceanography Centre
Joseph Proudman Building, 6 Brownlow Street
Liverpool
L3 5DA