Resources

GLOSS Station Handbook

Station information sheet

General                                  
GLOSS number236
Station name

Lerwick

CountryU.K.
Time zone000E, GMT
Latitude (+ve N)60.15
Longitude (+ve E)-1.13333
OceanAtlantic
Observation period(s)1957-
Responsible countryU.K.
Authority responsible
for tide gauge
Tide Gauge Inspectorate, Proudman Oceanographic Laboratory, 6 Brownlow Street, Liverpool, L3 5DA, UK
GLOSS contactUK
Committed to GLOSSYes
OperationalYes
Location mapView location map for GLOSS station Lerwick
Instrumentation 
FloatNo
PressureYes
BubblerYes
AcousticNo
RadarYes
Data
Digital dataYes
Data acquisition rateRecording at 15 minute intervals, filtered to hourly heights.
Fast delivery data at UHSLCDownload h293.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload g236.zip from BODC   View Lerwick site history   View BODC document #83204  
High frequency data at UHSLCDownload h293a.zip from UHSLC   Download documentation qa293a.dmt from UHSLC   Format documentation for UHSLC data
Data held at national organisationYes
Real-time data availableYes
Benchmarks 
Tide gauge benchmarksOrdnance Survey Benchmark bolt on breakwater wall. Ordnance Survey Grid Reference: HU 4783 4129
Benchmark relationshipsTide Gauge Zero = Admiralty Chart Datum (ACD) Tide Gauge Zero = 1.22m below local Ordnance Datum Tide Gauge Zero = 4.57m below Tide Gauge Benchmark (from 1989 onwards)
Auxiliary benchmarksAUX 1: On SW face (south angle) of Queens Hotel. OS Grid Reference HU 4784 4125 AUX 2: On N face (north west angle) of Lerwick Parish Church. OS Grid Reference HU 4777 4110 Rivet: Set in concrete on north east angle of tide gauge hut.
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Lerwick
Annual MSL (RLR) plotView annual MSL (RLR) plot for Lerwick
MSL methodDoodson X0 filter
PSMSL code830
Other relevant codesUHSLC 293
Additional information 
Nearest Met. stationSumburgh
Last updated1997-12-05