National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 14/01/2025 08:30(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 14/01/2025 08:30(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 (14/01/2025 08:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 1.65 |
| Wave zero up crossing period (Spectrum Tz) (s) | 6.8 |
| Wind Wave Significant Wave Height (m) | 0.95 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 225 |
| Swell Significant Wave Height (m) | 1.35 |
| Swell Peak Period (s) | 12.5 |
| Swell Peak Period Direction (°) | 215.9 |
| % Swell | 67 |
Wave Spectra for date 14/01/2025 08:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.03 | 33.3 | 0 | 0.001 |
| 0.04 | 25 | 0.002 | 0.007 |
| 0.05 | 20 | 0.005 | 0.013 |
| 0.06 | 16.7 | 0.016 | 0.046 |
| 0.065 | 15.4 | 0.09 | 0.256 |
| 0.07 | 14.3 | 0.283 | 0.801 |
| 0.075 | 13.3 | 0.762 | 2.155 |
| 0.08 | 12.5 | 1 | 2.83 |
| 0.085 | 11.8 | 0.762 | 2.155 |
| 0.09 | 11.1 | 0.828 | 2.344 |
| 0.095 | 10.5 | 0.365 | 1.032 |
| 0.1 | 10 | 0.794 | 2.247 |
| 0.11 | 9.1 | 0.5 | 1.416 |
| 0.12 | 8.3 | 0.357 | 1.011 |
| 0.13 | 7.7 | 0.308 | 0.872 |
| 0.14 | 7.1 | 0.289 | 0.818 |
| 0.15 | 6.7 | 0.201 | 0.57 |
| 0.17 | 5.9 | 0.113 | 0.319 |
| 0.19 | 5.3 | 0.126 | 0.355 |
| 0.21 | 4.8 | 0.12 | 0.34 |
| 0.23 | 4.3 | 0.065 | 0.184 |
| 0.25 | 4 | 0.038 | 0.108 |
| 0.27 | 3.7 | 0.032 | 0.092 |
| 0.29 | 3.4 | 0.02 | 0.057 |
| 0.31 | 3.2 | 0.024 | 0.068 |
| 0.39 | 2.6 | 0.006 | 0.016 |
| 0.47 | 2.1 | 0.003 | 0.007 |
