Heysham tide gauge site

The tide gauge building is located on the west side of the entrance to the Port of Heysham (South Quay).
Click here to see a map of the site in a separate window.

Tide gauge location

The brick building houses the tide gauge equipment which consists of a POL data logger and a three-channel bubbler system. The pressure points are fixed to the harbour wall.

External users

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

  • Environment Agency, North West Region

Site history

Pre 1975 – A Lea gauge is installed in the inner harbour close to the RoRo bridge
1983 – The Lea gauge was badly damaged during a storm
1987 – A new GRP tide gauge building was erected close to the existing tide gauge
1987 – The DATARING system was installed with two full-tide bubbler systems
1998 – The measuring system was buried in 2m of mud
1998 – New tide gauge site identified
1998 – New tide gauge established with two full-tide systems
1998 – Mid-tide bubbler installed
2000 – New POL data logger installed
2003 – Instrumentation removed while the tide gauge building was refurbished

Latitude54° 1.908'N
Longitude2° 55.224'W
Grid refSD 3982 5993
Earliest data1964
Tidal levels
HAT10.76 m
LAT0.22 m
MHWS9.67 m
MHWN7.49 m
MLWN3.05 m
MLWS1.18 m
H for 2024 10.66 m
L for 2024 0.25 m
H for 2025 10.49 m
L for 2025 0.39 m
MSR8.49 m
MNR4.44 m

HAT – highest astronomical tide
LAT – lowest astronomical tide
MHWS – mean high water springs
MHWN – mean high water neaps
MLWN – mean low water neaps
MLWS – mean low water springs
H – highest for year
L – lowest for year
MSR – mean spring range
MNR – mean neap range

[More about above]