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

  

Live wave data (GMT) (updated every 5 seconds)

This one-second stream of data to the website is experimental and is being developed in conjunction with Fugro GB Marine Ltd

Latest Wave Data
Date/Time (GMT)12-04-2024 23:00
Latitude50.06262
Longitude-5.30753
Wave Height (m)1.57
Max Wave Height (m)2.08
Tpeak (s)16.7
Tz (s)6.2
Peak Direction (degrees)243
Spread (degrees)35
Sea Temp (°C)12
Energy Period (s)9.8
Wave Power (kW/m)11.87