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

Wave Spectra for 10/12/2024 20:48 GMT

Wave Spectra page developed in conjunction with Fugro GB Limited.

(i) stands for Iridium

Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (10/12/2024 20:48 GMT)
Significant Wave Height (m)0.43
Wave zero up crossing period (Spectrum Tz) (s)6.2
Wind Wave Significant Wave Height (m)0.27
Wind Wave Peak Period (s)5.9
Wind Wave Peak Period Direction (°)186
Swell Significant Wave Height (m)0.34
Swell Peak Period (s)11.8
Swell Peak Period Direction (°)237.7
% Swell61.8