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.

St Mary's Sound


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 22:30
Wave Height (m)1.2
Max Wave Height (m)1.99
Tpeak (s)8.3
Tz (s)5.5
Peak Direction (degrees)222
Spread (degrees)39
Sea Temp (°C)12.2
Energy Period (s)6.7
Wave Power (kW/m)4.75
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