National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Wave Spectra for 31/12/2024 22:30(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 31/12/2024 22:30(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 (31/12/2024 22:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 2.13 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.5 |
| Wind Wave Significant Wave Height (m) | 2.11 |
| Wind Wave Peak Period (s) | 7.7 |
| Wind Wave Peak Period Direction (°) | 208 |
| Swell Significant Wave Height (m) | 0.31 |
| Swell Peak Period (s) | 11.1 |
| Swell Peak Period Direction (°) | 236.3 |
| % Swell | 2.1 |
Wave Spectra for date 31/12/2024 22:30(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 | 0.01 | 0.052 |
| 0.08 | 12.5 | 0.031 | 0.162 |
| 0.09 | 11.1 | 0.069 | 0.363 |
| 0.1 | 10 | 0.11 | 0.576 |
| 0.11 | 9.1 | 0.441 | 2.306 |
| 0.115 | 8.7 | 0.48 | 2.509 |
| 0.12 | 8.3 | 0.568 | 2.969 |
| 0.125 | 8 | 0.864 | 4.517 |
| 0.13 | 7.7 | 1 | 5.23 |
| 0.135 | 7.4 | 0.828 | 4.331 |
| 0.14 | 7.1 | 0.644 | 3.367 |
| 0.145 | 6.9 | 0.45 | 2.355 |
| 0.15 | 6.7 | 0.277 | 1.449 |
| 0.16 | 6.3 | 0.389 | 2.032 |
| 0.17 | 5.9 | 0.302 | 1.577 |
| 0.18 | 5.6 | 0.206 | 1.076 |
| 0.19 | 5.3 | 0.17 | 0.887 |
| 0.21 | 4.8 | 0.09 | 0.473 |
| 0.23 | 4.3 | 0.126 | 0.656 |
| 0.25 | 4 | 0.046 | 0.241 |
| 0.27 | 3.7 | 0.032 | 0.17 |
| 0.29 | 3.4 | 0.031 | 0.162 |
| 0.31 | 3.2 | 0.021 | 0.108 |
| 0.39 | 2.6 | 0.02 | 0.106 |
| 0.47 | 2.1 | 0.008 | 0.042 |
