GLOSS Station Handbook

Station information sheet

GLOSS number13
Station name


CountrySouth Africa
Time zone030E, GMT + 2hrs
Latitude (+ve N)-29.88333
Longitude (+ve E)31.03333
Observation period(s)1954-1958, 1960-
Responsible countrySouth Africa
Authority responsible
for tide gauge
Hydrographer, South African Navy, Private Bag X1, Tokai 7966, South Africa
GLOSS contactSouth_Africa
Committed to GLOSSYes
Digital dataYes
Additional parametersSea temperature (1990 onwards), air pressure (1990 onwards)
Data acquisition rateFloat/stilling well - digitized hourly. Acoustic gauge - meaned values recorded at 1 minute intervals
High frequency data at BODCDownload from BODC   View Durban site history   View BODC document #58142  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa181a.dmt from UHSLC   Format documentation for UHSLC data
Real-time data availableNo
Additional parameters (real-time)Sea temperature (1990 onwards), air pressure (1990 onwards)
Tide gauge benchmarksTrig survey BM 4212 at east end of of Salisbury Island. UTM Grid Reference 36 JUB 109930.
Benchmark relationshipsTide Gauge Zero (TGZ) = South Africa Chart Datum TGZ = 0.838m below LLD (MSL) until 31 Dec 1978 TGZ = 0.900m below LLD (MSL) from 01 January 1979 TGZ = 0.904m below BM 4212
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Durban
Annual MSL (RLR) plotView annual MSL (RLR) plot for Durban
MSL methodDoodson X0 filter
PSMSL code284
Other relevant codesUHSLC 181
Additional information 
Other relevant informationValues based on GPS have been observed but not finally calculated. Both gauges are due to be relocated in 1990.
Nearest Met. stationDurban
Last updated2002-12-11

Related BODC pages

Sea level portal      World Ocean Circulation Experiment (WOCE) — Sea  level
UK Tide Gauge Network     Climate Variability and Predictability (CLIVAR)
GLOSS project page  


Related external links

Global Sea Level Observing System (GLOSS)     Permanent Service for Mean Sea Level (PSMSL)
University of Hawai`i Sea Level Centre (UHSLC)  World Ocean Circulation Experiment (WOCE)


Permanent Service for Mean Sea Level (PSMSL) Global Sea Level Observing System (GLOSS) Station Handbook Intergovernmental Oceanographic Commission (IOC)