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 09/12/2024 00:30(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 (09/12/2024 00:30(i) GMT)
Significant Wave Height (m)1.14
Wave zero up crossing period (Spectrum Tz) (s)4.4
Wind Wave Significant Wave Height (m)1.03
Wind Wave Peak Period (s)7.1
Wind Wave Peak Period Direction (°)90
Swell Significant Wave Height (m)0.49
Swell Peak Period (s)10
Swell Peak Period Direction (°)123.8
% Swell18.3