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 16:18 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 16:18 GMT)
Significant Wave Height (m)0.4
Wave zero up crossing period (Spectrum Tz) (s)7.1
Wind Wave Significant Wave Height (m)0.19
Wind Wave Peak Period (s)6.3
Wind Wave Peak Period Direction (°)197
Swell Significant Wave Height (m)0.35
Swell Peak Period (s)11.1
Swell Peak Period Direction (°)237.7
% Swell76.5