National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Wave Spectra for 31/12/2024 23:00(i) GMT
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.
Wave Spectra page developed in conjunction with Fugro GB Limited.
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 |
% Swell | 4 |
Wave Spectra for date 31/12/2024 23:00(i):
Frequency (Hz) | Period (s) | Normalised Energy | Energy |
---|---|---|---|
0.03 | 33.3 | 0 | 0.001 |
0.05 | 20 | 0.001 | 0.006 |
0.07 | 14.3 | 0.011 | 0.045 |
0.08 | 12.5 | 0.025 | 0.102 |
0.09 | 11.1 | 0.078 | 0.311 |
0.1 | 10 | 0.152 | 0.611 |
0.11 | 9.1 | 0.254 | 1.021 |
0.115 | 8.7 | 0.321 | 1.289 |
0.12 | 8.3 | 0.605 | 2.425 |
0.125 | 8 | 0.959 | 3.847 |
0.13 | 7.7 | 1 | 4.012 |
0.135 | 7.4 | 0.846 | 3.393 |
0.14 | 7.1 | 0.592 | 2.375 |
0.145 | 6.9 | 0.568 | 2.277 |
0.15 | 6.7 | 0.778 | 3.12 |
0.16 | 6.3 | 0.544 | 2.183 |
0.17 | 5.9 | 0.254 | 1.021 |
0.18 | 5.6 | 0.239 | 0.958 |
0.19 | 5.3 | 0.219 | 0.88 |
0.21 | 4.8 | 0.185 | 0.742 |
0.23 | 4.3 | 0.105 | 0.423 |
0.25 | 4 | 0.065 | 0.26 |
0.27 | 3.7 | 0.101 | 0.405 |
0.29 | 3.4 | 0.048 | 0.194 |
0.31 | 3.2 | 0.059 | 0.238 |
0.39 | 2.6 | 0.015 | 0.062 |
0.47 | 2.1 | 0.013 | 0.051 |