EUROPEAN SEA LEVEL OBSERVING SYSTEM Station Information Sheet GLOSS Number Station name Le Havre Country France Time zone 015E, GMT + 1 hour Latitude 49°29'00N Longitude 000°07'00E Ocean/sea Atlantic/ Responsible country France Committed to GLOSS No Operational? Yes Point of contact Bernard SIMON, Service Hydrographique et Océanographique de la Marine - SHOM 13 rue du Chatellier BP 426 29275 Brest Cedex France Tel: 33 (0) 298221868 Fax: 33 (0) 298220899 E-mail: mc@shom.fr WWW: http://www.shom.fr Authority responsible Service Hydrographique et Océanographique de la Marine - SHOM for tide gauge 13, rue du Chatellier BP 426 29275 Brest Cedex France Gauge servicing interval once a week Gauge servicing agency by the port authorities Observation periods 27.7 years Gauge type acoustic tranducer , radar transducer Sampling rate hourly height, 10 minute height since 1994 Digital data Yes Real time data No Storm surge warning gauge No Additional parameters Wind direction Any other parameters MSL method Submission to PSMSL No PSMSL data holdings Other data banks Additional information Tide gauge benchmark description TGBM A: repère IGN NCP-15 scellé dans un mur au sud du bajoyer de l'écluse du sas Quinette de Rochemont Frequency of levelling once a year Tide gauge zero relative to EUVN Tide gauge zero relative to 4.384 m under the national levelling datum IGN69 national levelling datum Tide gauge zero relative to 9.767 m above the chart datum, 5.383 m above the IGN69 zero tide gauge benchmark Auxiliary benchmark description TGBM B: repère IGN N CP-0-I. Rivet scellé près du puits du marégraphe du service de drage sur le quai de Brostom Permanent GPS within 1 km No EUREF code Campaign GPS Geological substrate Gauge signal likely to be affected by river outflow, density changes etc Any other information