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.

Breaks in the data series are when the instrument is dry.

Penarth

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)
11-08-2022 08:10--0.130.212.12.9-----
Date Highest Hs 2022 Storm Alert Threshold
(0.25 yr Return Period Hs)
12-03 0.8m 0.78m