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.

Perranporth

Wave Spectra for 23/06/2025 00:01 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 (23/06/2025 00:01 GMT)
Significant Wave Height (m)1.96
Wave zero up crossing period (Spectrum Tz) (s)5.1
Wind Wave Significant Wave Height (m)1.94
Wind Wave Peak Period (s)7.1
Wind Wave Peak Period Direction (°)256
Swell Significant Wave Height (m)0.27
Swell Peak Period (s)10.5
Swell Peak Period Direction (°)248.9
% Swell1.9