GLOSS Station Handbook

Station information sheet

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GLOSS number242
Station name


Time zone015E, GMT + 1hrs
Latitude (+ve N)48.38333
Longitude (+ve E)-4.5
Observation period(s)Acoustic/float 1807-unknown, Radar 2004-
Responsible countryFrance
Authority responsible
for tide gauge
EPSHOM, B.P. 426, 13 rue du Chatellier, 29275 Brest Cedex, France
GLOSS contactFrance
Committed to GLOSSYes
Location mapView location map for GLOSS station Brest
Digital dataYes
Data held at national organisationYes
Real-time data availableYes
Tide gauge benchmarksRepere A: repere no.1 NGF situe sur le polier est, pres de l'entree Nord du tunnel
Benchmark relationshipsRepere A = 5.589m Repere B = 5.670m Repere C = 5.481m Repere D = 4.492m Repere F = 4.807m Repere G = 4.349m Cote par rapport au zero NGF
Auxiliary benchmarksRepere B: repere no.2 NGF situe a l'entree Sud du tunnel du chateau. Repere C: macaron no.0-o NGF scelle a droite de l'entree NW des souterrains du chateau. Repere D: rivet no.0-I NGF scelle sur le quai a droite de la passerelle d'acces au maregraphe. Repere G: echelle E3 - graduation 8.80m.
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Brest
Annual MSL (RLR) plotView annual MSL (RLR) plot for Brest
MSL methodDemerliac method for daily level, average of daily levels for monthly and yearly levels
PSMSL code1
Additional information 
Other relevant informationOther benchmark: Repere F: repere SH no.0 NGF situe sur la margelle du puits du maregraphe sans capuchon (installe par T.M. en 1963). Met. data are held by Meteo France - centre departmental Finistere - aerodrome 29490 Guipavas.
Nearest Met. stationMeteo France - Guipavas statio
Last updated1997-11-20
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