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

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
25-09-2020 03:0053.38161-3.604161.592.355.64.371815.5
Date Highest Hs 2020 Storm alert threshold
(0.25 yr Return Period)
11-02 3.1m 2.93m
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