National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Wave Spectra for 30/11/2024 23:30(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 30/11/2024 23:30(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 (30/11/2024 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 1.95 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.1 |
| Wind Wave Significant Wave Height (m) | 1.91 |
| Wind Wave Peak Period (s) | 6.7 |
| Wind Wave Peak Period Direction (°) | 194 |
| Swell Significant Wave Height (m) | 0.35 |
| Swell Peak Period (s) | 11.1 |
| Swell Peak Period Direction (°) | 204.8 |
| % Swell | 3.3 |
Wave Spectra for date 30/11/2024 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.03 | 33.3 | 0 | 0.001 |
| 0.05 | 20 | 0.002 | 0.005 |
| 0.07 | 14.3 | 0.066 | 0.219 |
| 0.09 | 11.1 | 0.097 | 0.319 |
| 0.1 | 10 | 0.09 | 0.299 |
| 0.11 | 9.1 | 0.193 | 0.636 |
| 0.12 | 8.3 | 0.289 | 0.953 |
| 0.13 | 7.7 | 0.35 | 1.153 |
| 0.135 | 7.4 | 0.441 | 1.455 |
| 0.14 | 7.1 | 0.671 | 2.215 |
| 0.145 | 6.9 | 0.939 | 3.098 |
| 0.15 | 6.7 | 1 | 3.299 |
| 0.155 | 6.5 | 0.828 | 2.732 |
| 0.16 | 6.3 | 0.617 | 2.037 |
| 0.165 | 6.1 | 0.568 | 1.873 |
| 0.17 | 5.9 | 0.658 | 2.169 |
| 0.18 | 5.6 | 0.357 | 1.178 |
| 0.19 | 5.3 | 0.249 | 0.822 |
| 0.2 | 5 | 0.283 | 0.933 |
| 0.21 | 4.8 | 0.302 | 0.995 |
| 0.23 | 4.3 | 0.224 | 0.739 |
| 0.25 | 4 | 0.09 | 0.299 |
| 0.27 | 3.7 | 0.079 | 0.262 |
| 0.29 | 3.4 | 0.063 | 0.209 |
| 0.31 | 3.2 | 0.045 | 0.149 |
| 0.39 | 2.6 | 0.02 | 0.065 |
| 0.47 | 2.1 | 0.006 | 0.02 |
