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)04-10-2023 03:00
Latitude50.06308
Longitude-5.30740
Wave Height (m)0.95
Max Wave Height (m)1.37
Tpeak (s)10.5
Tz (s)4.7
Peak Direction (degrees)246
Spread (degrees)26
Sea Temp (°C)15.5
Energy Period (s)6.9
Wave Power (kW/m)3.06