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)05-12-2021 19:30
Wave Height (m)0.98
Max Wave Height (m)1.5
Tpeak (s)13.3
Tz (s)6.1
Peak Direction (degrees)323
Spread (degrees)50
Sea Temp (°C)12
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