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.

Start Bay

Wave Spectra for 30/06/2021 23:51 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 (30/06/2021 23:51 GMT)
Significant Wave Height (m)0.18
Wave zero up crossing period (Spectrum Tz) (s)4
Wind Wave Significant Wave Height (m)0.16
Wind Wave Peak Period (s)7.7
Wind Wave Peak Period Direction (°)176
Swell Significant Wave Height (m)0.07
Swell Peak Period (s)10
Swell Peak Period Direction (°)181.4
% Swell14.7