GLOSS Station Handbook

GLOSS Station Handbook – Port Sonara

The GLOSS Station Handbook is currently being re-designed and upgraded.

Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click the GLOSS number buttons to view the information. Click column headings to sort the table.


Station information

Gloss number350
Station namePort Sonara
Time zoneGMT+1hrs
Latitude (+ve N)4.005
Longitude (+ve E)9.125
Observation periods20 June 2008 to 30 April 2010
Responsible countryCameroon
Authority responsible for tide gaugeSociete National de Raffinage
Additional parameters (real-time)None
Tide gauge benchmarkFoundation (pile 21) Top of foundation where tide gauge is located.
Benchmark relationshipsEstimated Chart Datum = 4.2m below top of Foundation (pile 21)
Data at PSMSL
Annual MSL (RLR) dataYes (Monthly metric data only available)
PSMSL code2037
Additional information
Other relevant informationThe tide gauge has not yet been levelled into the local datum network, so data are uncalibrated heights from the Kalesto sensor. Benchmark heights are given relative to an estimation of local Chart Datum.
The tide gauge is located in the Sonara Company Harbour, close to Port Lime, on a fondation ('Verole 21') of the Poste des Caboteurs pier at AP1, Wharf 1.