Madagascar (Nosy Be) Station information sheet

View of the CNRO and the tide gauge, Nosy Be


GLOSS number 15
Station name


Country Madagascar
Time zone 045E, GMT + 3hrs
Latitude (+ve N) -13.4
Longitude (+ve E) 48.28333
Ocean Indian
Observation period(s) 1958-1972, 1985-
Responsible country Madagascar
Authority responsible
for tide gauge
Department d'Oceanographie Physique et Chimique (C.N.R.O.), BP 68 (207) Nosy-Be, Madagascar - Telephone: 86 613 73
GLOSS contact Dr.Hanta Rajoharison
Centre Nationale de la Recherche Oceanographique
Boite Postale No.68
(207) Nosy-Be
Committed to GLOSS No
Operational Yes
Location map View location map for GLOSS station Nosy-Be
Float Yes
Pressure No
Bubbler No
Acoustic No
Radar No
Digital data Yes
Additional parameters Temperature and salinity
Data acquisition rate Continuous recording, filtered to hourly heights
High frequency data at UHSLC Download from UHSLC   Download documentation qa150a.dmt from UHSLC   Format documentation for UHSLC data
Real-time data available No
Additional parameters (real-time) Temperature and salinity
Tide gauge benchmarks Tide gauge benchmark is situated on a flush bracket in the front of the tide gauge on the quay.
Benchmark relationships Tide gauge zero (TGZ) = zero hydrographic TGZ = 4.72m below TGBM TGBM = 3.02m below disc SH: material reference set on the entrance of the wharf (from 1987 onwards)
Auxiliary benchmarks Disc SH set on the entrance of the CNRO wharf 7.74m above zero hydrographic
Data at PSMSL  
Annual MSL (RLR) data Download annual MSL (RLR) data for Nosy-Be
Annual MSL (RLR) plot View annual MSL (RLR) plot for Nosy-Be
MSL method Doodson X0 filter
PSMSL code 440/002
Other relevant codes UHSLC 150
Additional information  
Other relevant information PSMSL hold data from another gauge at Nosy-Be (PSMSL Code 440/001 1958- 1968, 1970-1972).
Nearest Met. station Fascene Airport Nosy-Be
Last updated 2002-12-11