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)09-12-2025 17:00
Latitude50.06307
Longitude-5.30672
Wave Height (m)5.26
Max Wave Height (m)8.32
Tpeak (s)13.3
Tz (s)8.3
Peak Direction (degrees)221
Spread (degrees)12
Sea Temp (°C)12.3
Energy Period (s)10.7
Wave Power (kW/m)145.24