GLOSS Station Handbook

Station information sheet

GLOSS number241
Station name


Time zone000E, GMT
Latitude (+ve N)50.1
Longitude (+ve E)-5.55
Observation period(s)1915 - 1984 Float/stilling well 1983 - Bubbler gauge
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
Location mapView location map for GLOSS station Newlyn
Digital dataYes
Additional parametersSea temperature
Data acquisition rateRecording at 15 minute intervals; filtered to hourly heights.
Fast delivery data at UHSLCDownload h294.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload from BODC   View Newlyn site history   View BODC document #83297  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa294a.dmt from UHSLC   Format documentation for UHSLC data
Data held at national organisationYes
Real-time data availableYes
Additional parameters (real-time)Sea temperature
Tide gauge benchmarksOrdnance Survey Benchmark bolt inside tide gauge hut, adjacent to stilling well. Ordnance Survey grid reference: SW 4677 2856.
Benchmark relationshipsTGZ = Admiralty Chart Datum (ACD) TGZ = 3.05m below Ordnance Datum Newlyn (ODN) TGZ = 7.8012m below TGBM (from 1988 onwards)
Auxiliary benchmarksAUX 1: Flush bracket 1565 on NW face of South Pier wall 17.8m SW of tidal observatory. OS grid reference: SW 4673 2851 AUX 2: Flush bracket 1520 on NW face of wall on SE side of South Pier Road. OS grid reference: SW 4659 2841
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Newlyn
Annual MSL (RLR) plotView annual MSL (RLR) plot for Newlyn
MSL methodDoodson X0 filter
PSMSL code202
Other relevant codesUHSLC 294
Additional information 
Nearest Met. stationSt. Mawgan
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)