National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 05/08/2025 09:00(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.
Happisburgh
Wave Spectra for 05/08/2025 09:00(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 (05/08/2025 09:00(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.85 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.2 |
| Wind Wave Significant Wave Height (m) | 0.81 |
| Wind Wave Peak Period (s) | 5.9 |
| Wind Wave Peak Period Direction (°) | 352 |
| Swell Significant Wave Height (m) | 0.27 |
| Swell Peak Period (s) | 9.1 |
| Swell Peak Period Direction (°) | 16.9 |
| % Swell | 10.1 |
Wave Spectra for date 05/08/2025 09:00(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.03 | 33.3 | 0.001 | 0 |
| 0.05 | 20 | 0.003 | 0.001 |
| 0.07 | 14.3 | 0.025 | 0.008 |
| 0.09 | 11.1 | 0.173 | 0.052 |
| 0.11 | 9.1 | 0.58 | 0.173 |
| 0.12 | 8.3 | 0.556 | 0.165 |
| 0.13 | 7.7 | 0.511 | 0.152 |
| 0.14 | 7.1 | 0.533 | 0.159 |
| 0.15 | 6.7 | 0.631 | 0.188 |
| 0.155 | 6.5 | 0.617 | 0.184 |
| 0.16 | 6.3 | 0.778 | 0.231 |
| 0.165 | 6.1 | 0.92 | 0.274 |
| 0.17 | 5.9 | 1 | 0.298 |
| 0.175 | 5.7 | 0.882 | 0.262 |
| 0.18 | 5.6 | 0.658 | 0.196 |
| 0.185 | 5.4 | 0.631 | 0.188 |
| 0.19 | 5.3 | 0.828 | 0.246 |
| 0.2 | 5 | 0.762 | 0.227 |
| 0.21 | 4.8 | 0.715 | 0.213 |
| 0.22 | 4.5 | 0.357 | 0.106 |
| 0.23 | 4.3 | 0.533 | 0.159 |
| 0.25 | 4 | 0.5 | 0.149 |
| 0.27 | 3.7 | 0.335 | 0.1 |
| 0.29 | 3.4 | 0.328 | 0.098 |
| 0.31 | 3.2 | 0.308 | 0.092 |
| 0.39 | 2.6 | 0.099 | 0.029 |
| 0.47 | 2.1 | 0.038 | 0.011 |
