GLOSS Station Handbook

GLOSS Station Handbook – Walvis Bay

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

General
Gloss number314
Station nameWalvis Bay
CountryNamibia
Time zone030E, GMT+2hrs
Latitude (+ve N)-22.9493
Longitude (+ve E)14.49856
OceanAtlantic
Observation periods1958-1974: Kent
1976-1993: Float (Ott)
1994-1998: Acoustic
2008-ongoing: Radar and DCP
Responsible countryNamibia
Authority responsible for tide gaugeHydrographer, SA Navy, Private Bag X1, Tokai 7966, South Africa
GLOSS contactNamibia
Committed to GLOSSNo
OperationalYes
Instrumentation
FloatYes
PressureNo
BubblerNo
AcousticYes
RadarNo
Data
Digital dataYes
Aditional parametersSea temperature (from 1990), Air pressure (from 1990)
Data acquisition rateFloat/stilling well - digitised hourly. Acoustic - meaned values recorded at minute intervals, filtered
High frequency data at BODCData 314 Document 76883
High frequency data at UHSLCData 220a Document 220a File format
Real-time data availableNo
Additional parameters (real-time)None
Benchmarks
Tide gauge benchmarkTrig survey BM 1A1 adjacent Railway Headquarters -
UTM grid reference 33 KVE 492622
2008 - BM 1A1 renamed BM 1011
Benchmark relationshipsTide Gauge Zero (TGZ) = 0.913m below LLD (MSL) until 31 December 1978
TGZ = 0.900m below LLD (MSL) from 1 January 1979
TGZ = 2.291m below BM 1A1
From 2008:
BM 1011 = LLD + 3.770m
Chart Datum = LLD - 0.966m
Data at PSMSL
Annual MSL (RLR) dataRLR 914
Annual MSL (RLR) plot
MSL methodDoodson X0 filter
PSMSL code914
Other relevant codesUHSLC 220
Additional information
Last updated11 December 2002