National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 31/12/2024 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 31/12/2024 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 (31/12/2024 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 2.18 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.1 |
| Wind Wave Significant Wave Height (m) | 2.16 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 200 |
| Swell Significant Wave Height (m) | 0.32 |
| Swell Peak Period (s) | 11.1 |
| Swell Peak Period Direction (°) | 193.4 |
| % Swell | 2.1 |
Wave Spectra for date 31/12/2024 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.04 | 25 | 0.002 | 0.008 |
| 0.06 | 16.7 | 0.002 | 0.011 |
| 0.08 | 12.5 | 0.053 | 0.237 |
| 0.09 | 11.1 | 0.081 | 0.362 |
| 0.1 | 10 | 0.134 | 0.598 |
| 0.11 | 9.1 | 0.249 | 1.113 |
| 0.12 | 8.3 | 0.762 | 3.403 |
| 0.125 | 8 | 0.939 | 4.196 |
| 0.13 | 7.7 | 0.901 | 4.024 |
| 0.135 | 7.4 | 0.92 | 4.109 |
| 0.14 | 7.1 | 1 | 4.468 |
| 0.145 | 6.9 | 0.715 | 3.195 |
| 0.15 | 6.7 | 0.414 | 1.85 |
| 0.155 | 6.5 | 0.389 | 1.736 |
| 0.16 | 6.3 | 0.373 | 1.665 |
| 0.17 | 5.9 | 0.21 | 0.939 |
| 0.18 | 5.6 | 0.224 | 1.001 |
| 0.19 | 5.3 | 0.289 | 1.291 |
| 0.2 | 5 | 0.249 | 1.113 |
| 0.22 | 4.5 | 0.123 | 0.549 |
| 0.24 | 4.2 | 0.105 | 0.471 |
| 0.26 | 3.8 | 0.092 | 0.413 |
| 0.28 | 3.6 | 0.066 | 0.296 |
| 0.3 | 3.3 | 0.051 | 0.226 |
| 0.32 | 3.1 | 0.051 | 0.226 |
| 0.4 | 2.5 | 0.017 | 0.075 |
| 0.48 | 2.1 | 0.01 | 0.046 |
