Stornoway tide gauge site

The GRP tide gauge building is located at the entrance to No. 2 jetty, Stornoway harbour.
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Tide gauge location

The brick tide gauge building contains a pneumatic bubbler system with two full-tide and mid-tide sensors. The pressure points are located 70m along the north side of the jetty.

The tide gauge is levelled to the tide gauge bench mark supported by Ordnance Survey auxiliary marks.

External users

Sea level pressures and/or elevations from this site are supplied to the following authority:

• Stornoway Port Authority

Site history

1974 – The tide gauge building is located halfway along No. 2 jetty; a Lea gauge is mounted over the stilling well
1981 – The tide gauge was moved due to Health and Safety concerns: gas and fuel are unloaded on the jetty
1981 – A new tide gauge building was constructed at the entrance to No. 2 jetty
1982 – A pneumatic system was installed with an Ott pneumatic tide gauge connected to the system
1985 – The DATARING system was installed with a full-tide bubbler and a potentiometer attached to the Ott pneumatic gauge
1994 – All equipment removed prior to the installation of a new tide gauge building
1995 – New GRP building erected and a new pneumatic bubbler installed with two full-tide and mid-tide sensors
2001 – POL data logger installed