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.

Rhyl Flats

Wave Spectra for 04/08/2024 15:50 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 (04/08/2024 15:50 GMT)
Significant Wave Height (m)0.47
Wave zero up crossing period (Spectrum Tz) (s)2.8
Wind Wave Significant Wave Height (m)0.47
Wind Wave Peak Period (s)2.9
Wind Wave Peak Period Direction (°)239
Swell Significant Wave Height (m)0.03
Swell Peak Period (s)15.4
Swell Peak Period Direction (°)265.8
% Swell0.3