National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 05/08/2025 08:30(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 05/08/2025 08:30(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 (05/08/2025 08:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.8 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4 |
| Wind Wave Significant Wave Height (m) | 0.77 |
| Wind Wave Peak Period (s) | 8.3 |
| Wind Wave Peak Period Direction (°) | 10 |
| Swell Significant Wave Height (m) | 0.19 |
| Swell Peak Period (s) | 10 |
| Swell Peak Period Direction (°) | 15.5 |
| % Swell | 5.5 |
Wave Spectra for date 05/08/2025 08:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.04 | 25 | 0.007 | 0.002 |
| 0.05 | 20 | 0.01 | 0.003 |
| 0.06 | 16.7 | 0.015 | 0.004 |
| 0.07 | 14.3 | 0.029 | 0.008 |
| 0.08 | 12.5 | 0.059 | 0.016 |
| 0.085 | 11.8 | 0.14 | 0.038 |
| 0.09 | 11.1 | 0.101 | 0.027 |
| 0.095 | 10.5 | 0.173 | 0.047 |
| 0.1 | 10 | 1 | 0.272 |
| 0.105 | 9.5 | 0.289 | 0.079 |
| 0.11 | 9.1 | 0.302 | 0.082 |
| 0.115 | 8.7 | 0.5 | 0.136 |
| 0.12 | 8.3 | 0.882 | 0.24 |
| 0.13 | 7.7 | 0.864 | 0.235 |
| 0.14 | 7.1 | 0.658 | 0.179 |
| 0.15 | 6.7 | 0.522 | 0.142 |
| 0.16 | 6.3 | 0.556 | 0.151 |
| 0.18 | 5.6 | 0.49 | 0.133 |
| 0.2 | 5 | 0.658 | 0.179 |
| 0.22 | 4.5 | 0.335 | 0.091 |
| 0.24 | 4.2 | 0.201 | 0.055 |
| 0.26 | 3.8 | 0.335 | 0.091 |
| 0.28 | 3.6 | 0.389 | 0.106 |
| 0.3 | 3.3 | 0.277 | 0.075 |
| 0.32 | 3.1 | 0.249 | 0.068 |
| 0.4 | 2.5 | 0.166 | 0.045 |
| 0.48 | 2.1 | 0.054 | 0.015 |
