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)07-10-2022 02:00
Wave Height (m)0.46
Max Wave Height (m)0.67
Tpeak (s)12.5
Tz (s)3.2
Peak Direction (degrees)200
Spread (degrees)38
Sea Temp (°C)16.6
Energy Period (s)5.2
Wave Power (kW/m)0.54