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)23-09-2023 08:30
Latitude49.89235
Longitude-6.31171
Wave Height (m)0.75
Max Wave Height (m)1.15
Tpeak (s)6.7
Tz (s)4.8
Peak Direction (degrees)269
Spread (degrees)61
Sea Temp (°C)15.9
Energy Period (s)7
Wave Power (kW/m)1.93