Portrush tide gauge site

The tide gauge equipment is situated in Portrush lifeboat station and the pressure points are mounted close to the end of the lifeboat slipway.

The tide gauge is leveled to the tide gauge bench mark supported by Ordnance Survey of Northern Ireland auxiliary marks.
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Tide gauge location

The equipment is housed in a heated instrument cabinet within the lifeboat station, with the full-tide pressure point mounted on steel work attached to a concrete leg of the slipway, and the mid-tide pressure point being mounted on the sea wall directly below the lifeboat station.

All three pressure lines are monitored by the POL data logger.

External users

Sea level pressures and/or elevations from this site, levelled to the National Geodetic Network, are supplied to the following authority.

• Portrush Lifeboat Station

Site history

1993 – Aanderaa Tide Gauge installed
1995 – DATARING system installed with two full-tide and a mid-tide bubblers
1995 – Aanderaa Tide Gauge removed
2001 – POL data logger installed