National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Severn Bridge


Additional Information

 Wave radar location  51° 34.456' N  002° 41.999' W
 Storm threshold  0.85 m


Wave and tide data are measured using a Rosemount WaveRadar Rex, which became operational on 29 June 2011.  The instrument is sited mid-span on the Second Severn Crossing, by kind permission of the Severn River Crossing PLC.

11/04/2019 The WaveRadar REX frame was swapped for a new one.
The shore station computer had failed but has now been replaced.
08/01/2016 The data stream has stopped. Investigations are ongoing.
09/03/2015 A problem with the phone line is preventing data being transmitted. A BT engineer has been called.
23/09/2014 There will be a data gap of several hours today due to essential maintenance operations by the SSC
24/10/2013 Scheduled service
04/10/2013 The wave and tide data will be unuseable for several days whilst the SSC carries out maintenance operations in the vicinity of the REX


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