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 23/03/2023 01:31 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 (23/03/2023 01:31 GMT)
Significant Wave Height (m)2.05
Wave zero up crossing period (Spectrum Tz) (s)5.3
Wind Wave Significant Wave Height (m)1.61
Wind Wave Peak Period (s)6.3
Wind Wave Peak Period Direction (°)186
Swell Significant Wave Height (m)1.34
Swell Peak Period (s)8.3
Swell Peak Period Direction (°)201.1
% Swell40.7