National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 05/08/2025 09:30(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 09:30(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 09:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.87 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.3 |
| Wind Wave Significant Wave Height (m) | 0.82 |
| Wind Wave Peak Period (s) | 5.6 |
| Wind Wave Peak Period Direction (°) | 342 |
| Swell Significant Wave Height (m) | 0.27 |
| Swell Peak Period (s) | 10 |
| Swell Peak Period Direction (°) | 187.7 |
| % Swell | 10 |
Wave Spectra for date 05/08/2025 09:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.04 | 25 | 0.011 | 0.003 |
| 0.06 | 16.7 | 0.022 | 0.007 |
| 0.08 | 12.5 | 0.118 | 0.036 |
| 0.1 | 10 | 0.605 | 0.187 |
| 0.12 | 8.3 | 0.45 | 0.139 |
| 0.13 | 7.7 | 0.658 | 0.203 |
| 0.14 | 7.1 | 0.746 | 0.23 |
| 0.15 | 6.7 | 0.671 | 0.207 |
| 0.16 | 6.3 | 0.522 | 0.161 |
| 0.165 | 6.1 | 0.5 | 0.155 |
| 0.17 | 5.9 | 0.568 | 0.175 |
| 0.175 | 5.7 | 0.846 | 0.261 |
| 0.18 | 5.6 | 1 | 0.309 |
| 0.185 | 5.4 | 0.811 | 0.251 |
| 0.19 | 5.3 | 0.778 | 0.24 |
| 0.195 | 5.1 | 0.959 | 0.296 |
| 0.2 | 5 | 0.92 | 0.284 |
| 0.21 | 4.8 | 0.631 | 0.195 |
| 0.22 | 4.5 | 0.73 | 0.226 |
| 0.23 | 4.3 | 0.5 | 0.155 |
| 0.24 | 4.2 | 0.47 | 0.145 |
| 0.26 | 3.8 | 0.397 | 0.123 |
| 0.28 | 3.6 | 0.373 | 0.115 |
| 0.3 | 3.3 | 0.234 | 0.072 |
| 0.32 | 3.1 | 0.152 | 0.047 |
| 0.4 | 2.5 | 0.105 | 0.033 |
| 0.48 | 2.1 | 0.044 | 0.014 |
