GLOSS Station Handbook
Station information sheet
General | |
GLOSS number | 236 |
Station name | Lerwick |
Country | U.K. |
Time zone | 000E, GMT |
Latitude (+ve N) | 60.15 |
Longitude (+ve E) | -1.13333 |
Ocean | Atlantic |
Observation period(s) | 1957- |
Responsible country | U.K. |
Authority responsible for tide gauge | Tide Gauge Inspectorate, Proudman Oceanographic Laboratory, 6 Brownlow Street, Liverpool, L3 5DA, UK |
GLOSS contact | UK |
Committed to GLOSS | Yes |
Operational | Yes |
Location map | ![]() |
Instrumentation | |
Float | No |
Pressure | Yes |
Bubbler | Yes |
Acoustic | No |
Radar | Yes |
Data | |
Digital data | Yes |
Data acquisition rate | Recording at 15 minute intervals, filtered to hourly heights. |
Fast delivery data at UHSLC | ![]() ![]() |
High frequency data at BODC | ![]() ![]() ![]() |
High frequency data at UHSLC | ![]() ![]() ![]() |
Data held at national organisation | Yes |
Real-time data available | Yes |
Benchmarks | |
Tide gauge benchmarks | Ordnance Survey Benchmark bolt on breakwater wall. Ordnance Survey Grid Reference: HU 4783 4129 |
Benchmark relationships | Tide 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 benchmarks | AUX 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) data | ![]() |
Annual MSL (RLR) plot | ![]() |
MSL method | Doodson X0 filter |
PSMSL code | 830 |
Other relevant codes | UHSLC 293 |
Additional information | |
Nearest Met. station | Sumburgh |
Last updated | 1997-12-05 |