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 |
