Data and Station Information for ST. MALO

Station Information

Station ID:	454
Latitude:	48.641102
Longitude:	-2.02818
Coastline code:	190
Station code:	71
Country:	FRANCE
Time span of RLR data:	1986 – 2025
RLR completeness (%):	77
Time span of metric data:	1941 – 2025
Metric completeness (%):	41
Link to ellipsoid:	Available
Date of last update:	18 Jun 2025

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 ST. MALO.

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

Plot of annual mean sea level data at ST. MALO.

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 GNSS Stations from SONEL: DIPL, SMTG
Nearby Real Time Stations from VLIZ: stma2, stma

Station Documentation

Link to RLR information.

Documentation added 2010-06-29

Following the input of the 2009 data this station was made RLR. RLR (2009) is
14.700m below TGBM N.Q.K3L3-45. Add 0.215m to all data to refer to RLR (2009).

Documentation added 2014-10-01

After downloading the St Malo data from SONEL it was realised a lot of additional data for the 1990s and 2000s had been added. Because of this the whole dataset was re-loaded.

Documentation added 2014-10-02

Also using data from SONEL the latitude and longitude for St. Malo has been updated.

Documentation added 2025-07-15

Updated the whole dataset to ensure they include all the historical data recovered recently by SHOM and the calculated monthly and annual means match those distributed by SONEL.

Data Authority

SHOM
13 rue de Chatelier
29200 BREST

Data

Data Notes

Extracted from Database

ST. MALO