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 31/12/2024 23:00(i) 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 (31/12/2024 23:00(i) GMT)
Significant Wave Height (m)2.1
Wave zero up crossing period (Spectrum Tz) (s)5.2
Wind Wave Significant Wave Height (m)2.05
Wind Wave Peak Period (s)7.7
Wind Wave Peak Period Direction (°)215
Swell Significant Wave Height (m)0.42
Swell Peak Period (s)10
Swell Peak Period Direction (°)239.1
% Swell4