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 17/05/2021 21:20 GMT

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

Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (17/05/2021 21:20 GMT)
Significant Wave Height (m)1.78
Wave zero up crossing period (Spectrum Tz) (s)5.4
Wind Wave Significant Wave Height (m)1.71
Wind Wave Peak Period (s)8.3
Wind Wave Peak Period Direction (°)242
Swell Significant Wave Height (m)0.5
Swell Peak Period (s)10.5
Swell Peak Period Direction (°)244.7
% Swell7.8
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