Station Information

Station ID: 1855
Latitude: 49.917861
Longitude: -6.317222
Coastline code: 170
Station code: 163
Time span of data: 1994 – 2021
Completeness (%): 65
Date of last update: 15 Mar 2022

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.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: SCIL
Nearby Real Time Stations from VLIZ: stmr

Station Documentation

Link to RLR information.

Documentation added 2000-04-25

St. Mary's 170/163 RLR(1997) is 11.3m below TGBM bolt

Documentation added 2001-01-02

Recent work on vertical land movements in the UK can be found from
the University of Nottingham web site:

Documentation added 2012-12-13

Possibly due to rounding the annual mean for the RLR year 1997 is 3.174m in the
database.As a result the RLR factor has changed from 3.876m to 3.875m and the
height of MSL to RLR has changed from 7.05m to 7.049m.

Documentation added 2015-06-02

There were problems with pressure loss throughout the year with readings >60mm low in places. TGI were at site 27.09.14 to carry out general maintenance and survey the site for a new tide gauge once harbour works have been completed.

Data Authority

Horizon House
Deanery Road