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)13-08-2022 23:30
Wave Height (m)0.21
Max Wave Height (m)0.3
Tpeak (s)3.7
Tz (s)3.4
Peak Direction (degrees)118
Spread (degrees)31
Sea Temp (°C)18.7
Energy Period (s)4.7
Wave Power (kW/m)0.1