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 water level data (OD) 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 Limited

Latest Wave Data

Latest Wave Data
Time (GMT)20-06-2025 19:00
Latitude50.06303
Longitude-5.30766
Wave Height (m)0.36
Max Wave Height (m)0.74
Tpeak (s)10
Tz (s)5.8
Peak Direction (degrees)242
Spread (degrees)29
Sea Temp (°C)16.6
Energy Period (s)9
Wave Power (kW/m)0.57