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 13/08/2022 23:51 GMT

Wave Spectra page developed in conjunction with Fugro GB Marine Limited.

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Sea and Swell Summary for (13/08/2022 23:51 GMT)
Significant Wave Height (m)0.25
Wave zero up crossing period (Spectrum Tz) (s)7.5
Wind Wave Significant Wave Height (m)0.11
Wind Wave Peak Period (s)7.1
Wind Wave Peak Period Direction (°)233
Swell Significant Wave Height (m)0.22
Swell Peak Period (s)16.7
Swell Peak Period Direction (°)98.4
% Swell80