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)16-02-2026 14:00
Latitude50.06239
Longitude-5.30648
Wave Height (m)2.71
Max Wave Height (m)5.02
Tpeak (s)11.1
Tz (s)6.2
Peak Direction (degrees)241
Spread (degrees)21
Sea Temp (°C)10
Energy Period (s)8.7
Wave Power (kW/m)31.48