National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled.

St Mary's Sound

Latest Waves Data

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)Energy Period (s)Wave Power (kW/m)
04-10-2023 02:3049.89259-6.311840.650.885.94.32146614.85.91.22
Date Highest Hs 2023 Storm Alert Threshold
(0.25 yr Return Period Hs)
Swell Alert Threshold
(0.25 yr Return Period Te)
31-03 5.3m 4.47m 10.88s