National Network of Regional Coastal Monitoring Programmes

« Return to map for other wave, tide and met stations.

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 23/09/2023 11:01 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 (23/09/2023 11:01 GMT)
Significant Wave Height (m)0.8
Wave zero up crossing period (Spectrum Tz) (s)4
Wind Wave Significant Wave Height (m)0.68
Wind Wave Peak Period (s)6.3
Wind Wave Peak Period Direction (°)235
Swell Significant Wave Height (m)0.47
Swell Peak Period (s)10
Swell Peak Period Direction (°)246.1
% Swell32.5