Data and Station Information for ILET LA MERE

Station Information

Station ID:	2243
Latitude:	4.893783
Longitude:	-52.190483
Coastline code:	876
Station code:	3
Country:	FRENCH GUIANA
Time span of data:	1978 – 2018
Completeness (%):	39
Date of last update:	28 Mar 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 ILET LA MERE.

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

Plot of annual mean sea level data at ILET LA MERE.

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.

Station Documentation

Link to RLR information.

Documentation added 2016-06-21

Data for the station Ilet la Mer has only recently been added to the database. The tide gauge is on an island off French Guiana. The data comprises three separate periods January-December 1978, May 1989-October 1996 and March 2004 onwards.

Documentation added 2017-04-05

There was a change in Chart Datum in November 2013 for Ilet la Mere. The new datum is 10.7cm lower than the old datum. The recently complete dataset downloaded from SONEL has been adjusted for this.

Documentation added 2019-08-07

Using station information from the SHOM website the station has been made RLR. However, instead of a Benchmark name there is a description of the tide gauge. Because of this the Benchmark name has been entered on the RLR diagram TGBM.

Data Authority

SHOM
13 rue de Chatelier
29200 BREST

Data

Data Notes

Extracted from Database

ILET LA MERE