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)09-07-2025 15:30
Latitude50.06302
Longitude-5.30663
Wave Height (m)0.36
Max Wave Height (m)0.62
Tpeak (s)6.3
Tz (s)4.7
Peak Direction (degrees)232
Spread (degrees)25
Sea Temp (°C)16.3
Energy Period (s)5.7
Wave Power (kW/m)0.36