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)13-11-2025 08:00
Latitude50.06314
Longitude-5.30764
Wave Height (m)1.95
Max Wave Height (m)2.92
Tpeak (s)10.5
Tz (s)6.6
Peak Direction (degrees)219
Spread (degrees)21
Sea Temp (°C)13.9
Energy Period (s)8.8
Wave Power (kW/m)16.36