National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 31/10/2025 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.
Chapel Point
Wave Spectra for 31/10/2025 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 (31/10/2025 23:00(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 1.21 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.9 |
| Wind Wave Significant Wave Height (m) | 1.21 |
| Wind Wave Peak Period (s) | 4.7 |
| Wind Wave Peak Period Direction (°) | 167 |
| Swell Significant Wave Height (m) | 0.12 |
| Swell Peak Period (s) | 10.5 |
| Swell Peak Period Direction (°) | 94.2 |
| % Swell | 0.9 |
Wave Spectra for date 31/10/2025 23:00(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.075 | 13.3 | 0.008 | 0.01 |
| 0.095 | 10.5 | 0.027 | 0.033 |
| 0.115 | 8.7 | 0.022 | 0.027 |
| 0.135 | 7.4 | 0.052 | 0.063 |
| 0.155 | 6.5 | 0.159 | 0.193 |
| 0.165 | 6.1 | 0.163 | 0.197 |
| 0.175 | 5.7 | 0.113 | 0.137 |
| 0.185 | 5.4 | 0.328 | 0.398 |
| 0.195 | 5.1 | 0.365 | 0.443 |
| 0.2 | 5 | 0.47 | 0.57 |
| 0.205 | 4.9 | 0.544 | 0.661 |
| 0.21 | 4.8 | 0.828 | 1.005 |
| 0.215 | 4.7 | 1 | 1.214 |
| 0.22 | 4.5 | 0.92 | 1.116 |
| 0.225 | 4.4 | 0.959 | 1.164 |
| 0.23 | 4.3 | 0.939 | 1.14 |
| 0.235 | 4.3 | 0.671 | 0.815 |
| 0.245 | 4.1 | 0.277 | 0.336 |
| 0.255 | 3.9 | 0.365 | 0.443 |
| 0.265 | 3.8 | 0.423 | 0.513 |
| 0.275 | 3.6 | 0.219 | 0.266 |
| 0.295 | 3.4 | 0.123 | 0.149 |
| 0.315 | 3.2 | 0.071 | 0.086 |
| 0.335 | 3 | 0.069 | 0.084 |
| 0.355 | 2.8 | 0.062 | 0.075 |
| 0.435 | 2.3 | 0.031 | 0.037 |
| 0.515 | 1.9 | 0.014 | 0.017 |
