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North Shields tide gauge

Location
Latitude	55°0.444'N
Longitude	-1°26.388'W
Grid ref	NZ 3593 6824
Earliest data	1946
Tidal levels 2005-2025
HAT	5.71m
LAT	-0.03m
MHWS	5.09m
MLWS	0.72m
MHWN	4.05m
MLWN	1.88m
H for 2007	5.64m
L for 2007	0.03m
H for 2008	5.44m
L for 2008	0.23m
MSR	5.09m
MNR	2.17m

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

North Shields tide gauge site

The tide gauge building is located on the old fish quay close to the Port of Tyne offices.

The brick tide gauge building contains 2 stilling wells. A Munro IH40 chart recorder is mounted over one of the wells and a wellhead unit over the other. The Munro gauge and the wellhead unit are fitted with precision potentiometers connected to the POL data logger.

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:

Port of Tyne Authority

Site history
1974 - A Munro gauge was installed over one of the stilling wells and an Ott digital gauge over the other
1984 - The Ott digital gauge was removed and a wellhead unit was installed
1984 - The DATARING system was installed with potentiometers attached to the Munro gauge and the wellhead unit
1993 - All equipment removed while a new tide gauge building is built
1993 - New building completed and all equipment reinstated
1998 - Wind speed and direction instruments installed
1998 - Both stilling wells blocked. The POL diving team cleared the blockage
2000 - POL data logger installed