Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

GLOSS Station Handbook

Station information sheet

GLOSS number248
Station name


Time zone015E, GMT + 1hr
Latitude (+ve N)36.14823
Longitude (+ve E)-5.36492
Observation period(s)1961-1990, 1993- New gauge installed 2004, 2007 pressure gauge
Responsible countryU.K.
Authority responsible
for tide gauge
1961 - 2000 Queen's Harbour Master, H.M. Naval Base, Gibraltar 2004 Captain of the Port, Gibraltar Port Authority
GLOSS contactUK
Committed to GLOSSYes
Location mapView location map for GLOSS station Gibraltar
Digital dataYes
Data acquisition rateHourly tabulations from analogue chart (up to 2000) 2004 - 15 minute interval
High frequency data at BODCDownload from BODC   View Gibraltar site history  
Data held at national organisationYes
Real-time data availableYes
Tide gauge benchmarksTop of coping north of tide gauge hut
Benchmark relationshipsTide Gauge Zero (TGZ) set to Admiralty Chart Datum which is 3.2m below TGBM (1984 - 2000) Tide Gauge Zero (TGZ) set to Admiralty Chart Datum which is 3.22m below TGBM (2004 onwards) Tide Gauge Zero (TGZ) 0.25m below Alicante Datum
Auxiliary benchmarksBM'18' (Grid reference TF 8835 0123) on SW face of main dockyard wall, North Jumper's Bastion
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Gibraltar
Annual MSL (RLR) plotView annual MSL (RLR) plot for Gibraltar
MSL methodMean of hourly heights
PSMSL code981
Additional information 
Nearest Met. stationGibraltar Airport
Last updated2005-02-16

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)