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.

St Mary's Sound

Wave Spectra for 21/02/2024 05:01 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 (21/02/2024 05:01 GMT)
Significant Wave Height (m)2.59
Wave zero up crossing period (Spectrum Tz) (s)5.5
Wind Wave Significant Wave Height (m)2.48
Wind Wave Peak Period (s)7.1
Wind Wave Peak Period Direction (°)196
Swell Significant Wave Height (m)0.82
Swell Peak Period (s)11.1
Swell Peak Period Direction (°)220.8
% Swell9.8