Heysham tide gauge site
The tide gauge building is located on the west side of the entrance to the Port of Heysham (South Quay).
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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
Location | |
Latitude | 54° 1.908'N |
Longitude | 2° 55.224'W |
Grid ref | SD 3982 5993 |
Earliest data | 1964 |
Tidal levels | |
HAT | 10.76 m |
LAT | 0.22 m |
MHWS | 9.67 m |
MHWN | 7.49 m |
MLWN | 3.05 m |
MLWS | 1.18 m |
H for 2023 | 10.55 m |
L for 2023 | 0.38 m |
H for 2024 | 10.66 m |
L for 2024 | 0.25 m |
MSR | 8.49 m |
MNR | 4.44 m |
Abbreviations
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
Measurement devices
Tide gauge systemsFull-tide bubbler
Half-tide bubbler
Direct pressure transducer
Tide gauges
Ott pneumatic gauge
Munro float gauge
Wellhead float gauge
Lea float gauge
Instruments
DATARING logger
Datum probe