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)06-06-2026 17:00
Latitude50.06243
Longitude-5.30653
Wave Height (m)2.85
Max Wave Height (m)3.41
Tpeak (s)12.5
Tz (s)6.3
Peak Direction (degrees)243
Spread (degrees)27
Sea Temp (°C)14.8
Energy Period (s)8.6
Wave Power (kW/m)34.2