Diagram 7.2.5. Wave rose measured by the Waverider buoy within the East Anglia THREE site


70. Diagram 7.2.6 shows a timeseries of the significant wave height data recorded by the Waverider buoy between 4th December 2012 and 24th October 2013. The significant minimum wave height recorded during this period was 0.18m, with a maximum value of 6.03m being around the value of a 1 in 1 year return period event. The mean significant wave height was 1.27m.


71. 72.


The peak wave period was recorded at a minimum value of 1.7s, a mean value of 6.3s and a maximum value of 16.04s.


It should be noted that whilst a 1 in 1 year event was captured in the data record, there only five unique periods within the timeseries when wave heights exceeded 4m. In general, the waves appear to be confined to less than 3m, apart from during storm events when the wave height significantly increases.


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Appendix 7.2 Page 18


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