National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 08/11/2025 18:30(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 08/11/2025 18:30(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 (08/11/2025 18:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.31 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.6 |
| Wind Wave Significant Wave Height (m) | 0.22 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 25 |
| Swell Significant Wave Height (m) | 0.22 |
| Swell Peak Period (s) | 9.1 |
| Swell Peak Period Direction (°) | 16.9 |
| % Swell | 48.9 |
Wave Spectra for date 08/11/2025 18:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.03 | 33.3 | 0.001 | 0 |
| 0.05 | 20 | 0.002 | 0 |
| 0.06 | 16.7 | 0.011 | 0.001 |
| 0.07 | 14.3 | 0.004 | 0 |
| 0.08 | 12.5 | 0.014 | 0.001 |
| 0.09 | 11.1 | 0.081 | 0.008 |
| 0.095 | 10.5 | 0.48 | 0.048 |
| 0.1 | 10 | 0.846 | 0.084 |
| 0.105 | 9.5 | 0.92 | 0.091 |
| 0.11 | 9.1 | 1 | 0.099 |
| 0.115 | 8.7 | 0.715 | 0.071 |
| 0.12 | 8.3 | 0.5 | 0.05 |
| 0.125 | 8 | 0.48 | 0.048 |
| 0.13 | 7.7 | 0.432 | 0.043 |
| 0.14 | 7.1 | 0.229 | 0.023 |
| 0.15 | 6.7 | 0.105 | 0.01 |
| 0.16 | 6.3 | 0.054 | 0.005 |
| 0.17 | 5.9 | 0.052 | 0.005 |
| 0.19 | 5.3 | 0.053 | 0.005 |
| 0.21 | 4.8 | 0.118 | 0.012 |
| 0.23 | 4.3 | 0.163 | 0.016 |
| 0.25 | 4 | 0.113 | 0.011 |
| 0.27 | 3.7 | 0.156 | 0.015 |
| 0.29 | 3.4 | 0.081 | 0.008 |
| 0.31 | 3.2 | 0.095 | 0.009 |
| 0.39 | 2.6 | 0.035 | 0.003 |
| 0.47 | 2.1 | 0.027 | 0.003 |
