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.

Rhyl Flats

Latest Waves Data (Data was last updated 19 days 17 hours 47 minutes ago)

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)
07-09-2022 08:0053.38218-3.604970.420.643.22.7801918.53.10.27
Date Highest Hs 2022 Storm Alert Threshold
(0.25 yr Return Period Hs)
Swell Alert Threshold
(0.25 yr Return Period Te)
21-02 4.5m 2.96m 7.86s