National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 31/10/2025 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.
Chapel Point
Wave Spectra for 31/10/2025 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 (31/10/2025 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 1.17 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4 |
| Wind Wave Significant Wave Height (m) | 1.16 |
| Wind Wave Peak Period (s) | 4.7 |
| Wind Wave Peak Period Direction (°) | 159 |
| Swell Significant Wave Height (m) | 0.15 |
| Swell Peak Period (s) | 10.5 |
| Swell Peak Period Direction (°) | 92.1 |
| % Swell | 1.5 |
Wave Spectra for date 31/10/2025 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.075 | 13.3 | 0.004 | 0.005 |
| 0.095 | 10.5 | 0.051 | 0.061 |
| 0.115 | 8.7 | 0.022 | 0.026 |
| 0.135 | 7.4 | 0.083 | 0.1 |
| 0.155 | 6.5 | 0.173 | 0.209 |
| 0.165 | 6.1 | 0.21 | 0.254 |
| 0.175 | 5.7 | 0.266 | 0.32 |
| 0.185 | 5.4 | 0.206 | 0.248 |
| 0.195 | 5.1 | 0.522 | 0.63 |
| 0.2 | 5 | 0.671 | 0.81 |
| 0.205 | 4.9 | 0.686 | 0.827 |
| 0.21 | 4.8 | 0.811 | 0.979 |
| 0.215 | 4.7 | 1 | 1.207 |
| 0.22 | 4.5 | 0.979 | 1.182 |
| 0.225 | 4.4 | 0.715 | 0.863 |
| 0.23 | 4.3 | 0.423 | 0.51 |
| 0.235 | 4.3 | 0.289 | 0.349 |
| 0.245 | 4.1 | 0.38 | 0.459 |
| 0.255 | 3.9 | 0.328 | 0.396 |
| 0.265 | 3.8 | 0.277 | 0.334 |
| 0.275 | 3.6 | 0.21 | 0.254 |
| 0.295 | 3.4 | 0.128 | 0.155 |
| 0.315 | 3.2 | 0.097 | 0.117 |
| 0.335 | 3 | 0.065 | 0.078 |
| 0.355 | 2.8 | 0.051 | 0.061 |
| 0.435 | 2.3 | 0.023 | 0.028 |
| 0.515 | 1.9 | 0.016 | 0.02 |
