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 water level data (OD) 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 Limited

Latest Wave Data

Latest Wave Data
Time (GMT)12-05-2025 05:00
Latitude49.89142
Longitude-6.31203
Wave Height (m)0.48
Max Wave Height (m)-
Tpeak (s)13.3
Tz (s)5.2
Peak Direction (degrees)226
Spread (degrees)67
Sea Temp (°C)12.6
Energy Period (s)-
Wave Power (kW/m)-