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Felixstowe tide gauge

Location
Latitude	51°57.462'N
Longitude	1°19.356'E
Grid ref	TM 3003 3409
Earliest data	1988
Tidal levels 2005-2025
HAT	4.18m
LAT	0.00m
MHWS	3.83m
MLWS	0.48m
MHWN	3.15m
MLWN	1.09m
H for 2007	4.08m
L for 2007	0.02m
H for 2008	3.98m
L for 2008	0.15m
MSR	3.35m
MNR	2.06m

Abbreviations
HAT - Highest Astronomical Tide
LAT - Lowest Astronomical tide
MHWS - Mean High Water Springs
MLWS - Mean Low Water Springs
MHWN - Mean High Water Neaps
MLWN - Mean Low Water Neaps
H - Highest for year
L - Lowest for year
MSR - Mean Spring Range
MNR - Mean Neap Range

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Tide gauge systems

Full tide bubbler Half tide bubbler Direct pressure

Tide gauges

Ott pneumatic gauge Munro float gauge Wellhead float gauge Lea float gauge

Instruments

Dataring logger Datum probe

Felixstowe tide gauge site

The tide gauge and pressure points are located on Felixstowe pier, the equipment being located on the landward end and the pressure points located in deep water at the seaward end as indicated on the panoramic view.

Click here to see a map of the site in a separate window.

The tide gauge consists of a pneumatic bubbler system supplying two full tide and a mid-tide pressure points. The equipment is housed in a heated GRP building. The pressure points are mounted on steelwork attached to a pier leg at the seaward end of the pier. All pressure lines monitored by the POL datalogger.

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

Panoramic view of tide gauge location

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

Environment Agency,Anglian Region

Site history
1980 - An 0tt pneumatic gauge and an Aanderra gauge were installed in a storeroom in the amusement arcade
1988 - DATARING system installed with two full tide pressure points and datum probe
1997 - Mid-tide sensor installed
2000 - POL data logger installed connected to the two full tide measuring systems
2006 - Mid-tide sensor connected to the data logger