Station Information

Station ID: 474
Latitude: 49.929096
Longitude: 1.083812
Coastline code: 190
Station code: 31
Country: FRANCE
Time span of RLR data: 1954 – 2023
RLR completeness (%): 73
Time span of metric data: 1942 – 2023
Metric completeness (%): 64
Date of last update: 30 Jan 2024

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: CTZ3, DIPP, AMBL, CT3B
Nearby Real Time Stations from VLIZ: diep2, diep

Station Documentation

Link to RLR information.

Documentation - date unknown

Metric data for 1942 supplied by B.O.D.C.

Documentation added 1991-06-11

Dieppe 190/031 RLR(1977) is 12.4m below BM NGFNCP3.2

Documentation added 1994-07-11

Informal information suggests local sinking near gauge.

Documentation added 2010-08-24

Tide gauge re-instated 2009 TGBM and Chart Datum remain the same see email from Ronan Creach 19.08.10. Therefore the RLR factor remains 2.070m.

Documentation added 2012-03-27

The data following the gauges re-installation in 2009 appears to be slightly higher than previous. However, when the data for Dieppe is buddy checked with both Le Havre and Boulogne the data following the gap appears to be in better agreement.

Documentation added 2014-09-24

Using values from the SONEL website the latitude and longitude values for Dieppe have been revised.

Documentation added 2014-09-29

New data points have been added to the data for Dieppe in particular data has been added for the period 1993-2007. Because of this the whole dataset has been re-loaded.

Data Authority

13 rue de Chatelier
29200 BREST