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)24-01-2026 14:00
Latitude50.06318
Longitude-5.30740
Wave Height (m)3.01
Max Wave Height (m)4.94
Tpeak (s)16.7
Tz (s)6.8
Peak Direction (degrees)235
Spread (degrees)23
Sea Temp (°C)10.5
Energy Period (s)10.5
Wave Power (kW/m)46.55