National Network of Regional Coastal Monitoring Programmes

« Return to map for other wave, tide and met stations.

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)13-02-2026 02:30
Latitude49.89255
Longitude-6.31147
Wave Height (m)1.92
Max Wave Height (m)2.8
Tpeak (s)11.8
Tz (s)6
Peak Direction (degrees)215
Spread (degrees)44
Sea Temp (°C)11.2
Energy Period (s)8.3
Wave Power (kW/m)15.09