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.

Second Severn Crossing

Tide Levels and Harmonics

Wave Spectra for 02/12/2024 09:00 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 (02/12/2024 09:00 GMT)
Significant Wave Height (m)0.14
Wave zero up crossing period (Spectrum Tz) (s)4.6
Wind Wave Significant Wave Height (m)0.05
Wind Wave Peak Period (s)4.3
Wind Wave Peak Period Direction (°)0
Swell Significant Wave Height (m)0.02
Swell Peak Period (s)31.9
Swell Peak Period Direction (°)0
% Swell13.5