GLOSS Station Handbook

GLOSS Station Handbook – Mombasa

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 number8
Station nameMombasa
Time zone045E, GMT + 3hrs
Latitude (+ve N)-4.05
Longitude (+ve E)39.66666
Observation periodsfloat 1986-unknown, pressure and radar installed 2006
Responsible countryKenya
Authority responsible for tide gaugeDr. M. Merrifield, University of Hawaii, Dept. of Oceanography, Hawaii 96822, U.S.A.
and: Kenya Marine and Fisheries Research Inst.
GLOSS contactKenya
Committed to GLOSSYes
Digital dataYes
Data acquisition rateHourly intervals
Fast delivery data at UHSLCData 101 File format
High frequency data at BODCData 008 Document 57529
High frequency data at UHSLCData 101a Document 101a File format
Real-time data availableNo
Additional parameters (real-time)None
Tide gauge benchmarkBM@ is a bolt fixed on the tide staff at 3.8m above tide staff zero.
Benchmark relationshipsTide gauge zero (TGZ) = Admiralty Chart Datum - 0.942m
TGZ = East African Railways Datum - 0.912m
TGZ = Survey of Kenya Datum - 2.790m (from 1989)
TGZ = 3.800m below BM@
Auxiliary benchmarksBM1 (TGZ is 5.683m below BM1 - June 1989)
BM2 (TGZ is 5.850m below BM2 - June 1989)
BM3 (TGZ is 13.883m below BM3 - April 1987)
BM N-3 (TGZ is 6.226m below TGZ - June 1989)
Data at PSMSL
Annual MSL (RLR) dataRLR 370
Annual MSL (RLR) plot
MSL methodaverage of hourly heights
PSMSL code370
Other relevant codesUHSLC 101
Additional information
Other relevant informationMunro gauge was located at different place in the same port until 1976. Valeport pneumatic gauge situated 350km to the north of Lamu since December 1988.
Nearest Met. stationMombasa International Airport
Last updated5 December 1993