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.

Start Bay


Live wave data (GMT) (updated every 5 seconds)

This one-second stream of data to the website is experimental and is being developed in conjunction with Fugro GB Marine Ltd

Latest Wave Data
Date/Time (GMT)20-05-2022 23:00
Wave Height (m)0.63
Max Wave Height (m)0.94
Tpeak (s)10
Tz (s)4.4
Peak Direction (degrees)188
Spread (degrees)32
Sea Temp (°C)12.6
Energy Period (s)6.5
Wave Power (kW/m)1.26
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