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.

Porthleven

Latest Waves Data

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
17-05-2021 22:0050.06237-5.306481.792.819.15.32421612.2
Date Highest Hs 2021 Storm alert threshold
(0.25 yr Return Period)
30-01 6.4m 4.88m
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