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)04-03-2024 14:00
Latitude50.06305
Longitude-5.30773
Wave Height (m)3.12
Max Wave Height (m)6.09
Tpeak (s)9.1
Tz (s)6.2
Peak Direction (degrees)205
Spread (degrees)19
Sea Temp (°C)10.1
Energy Period (s)7.7
Wave Power (kW/m)36.78