National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 31/08/2025 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.
Happisburgh
Wave Spectra for 31/08/2025 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 (31/08/2025 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.36 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.6 |
| Wind Wave Significant Wave Height (m) | 0.36 |
| Wind Wave Peak Period (s) | 4.9 |
| Wind Wave Peak Period Direction (°) | 101 |
| Swell Significant Wave Height (m) | 0.02 |
| Swell Peak Period (s) | 15.4 |
| Swell Peak Period Direction (°) | 70.3 |
| % Swell | 0.2 |
Wave Spectra for date 31/08/2025 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.065 | 15.4 | 0.009 | 0 |
| 0.085 | 11.8 | 0.008 | 0 |
| 0.105 | 9.5 | 0.012 | 0.001 |
| 0.125 | 8 | 0.037 | 0.002 |
| 0.145 | 6.9 | 0.271 | 0.013 |
| 0.155 | 6.5 | 0.302 | 0.014 |
| 0.165 | 6.1 | 0.45 | 0.022 |
| 0.175 | 5.7 | 0.58 | 0.028 |
| 0.185 | 5.4 | 0.746 | 0.036 |
| 0.19 | 5.3 | 0.631 | 0.03 |
| 0.195 | 5.1 | 0.671 | 0.032 |
| 0.2 | 5 | 0.979 | 0.047 |
| 0.205 | 4.9 | 1 | 0.048 |
| 0.21 | 4.8 | 0.746 | 0.036 |
| 0.215 | 4.7 | 0.605 | 0.029 |
| 0.22 | 4.5 | 0.671 | 0.032 |
| 0.225 | 4.4 | 0.762 | 0.036 |
| 0.235 | 4.3 | 0.746 | 0.036 |
| 0.245 | 4.1 | 0.828 | 0.04 |
| 0.255 | 3.9 | 0.715 | 0.034 |
| 0.265 | 3.8 | 0.939 | 0.045 |
| 0.285 | 3.5 | 0.882 | 0.042 |
| 0.305 | 3.3 | 0.631 | 0.03 |
| 0.325 | 3.1 | 0.432 | 0.021 |
| 0.345 | 2.9 | 0.328 | 0.016 |
| 0.425 | 2.4 | 0.051 | 0.002 |
| 0.505 | 2 | 0.033 | 0.002 |
