National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 05/08/2025 11:30(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 11:30(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 11:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.89 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.5 |
| Wind Wave Significant Wave Height (m) | 0.88 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 349 |
| Swell Significant Wave Height (m) | 0.11 |
| Swell Peak Period (s) | 11.1 |
| Swell Peak Period Direction (°) | 15.5 |
| % Swell | 1.6 |
Wave Spectra for date 05/08/2025 11:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.04 | 25 | 0.008 | 0.004 |
| 0.06 | 16.7 | 0.009 | 0.004 |
| 0.08 | 12.5 | 0.051 | 0.025 |
| 0.09 | 11.1 | 0.079 | 0.039 |
| 0.1 | 10 | 0.173 | 0.085 |
| 0.11 | 9.1 | 0.5 | 0.244 |
| 0.12 | 8.3 | 0.511 | 0.249 |
| 0.125 | 8 | 0.47 | 0.229 |
| 0.13 | 7.7 | 0.49 | 0.239 |
| 0.135 | 7.4 | 0.73 | 0.356 |
| 0.14 | 7.1 | 1 | 0.488 |
| 0.145 | 6.9 | 0.794 | 0.387 |
| 0.15 | 6.7 | 0.617 | 0.301 |
| 0.155 | 6.5 | 0.631 | 0.307 |
| 0.16 | 6.3 | 0.671 | 0.327 |
| 0.17 | 5.9 | 0.746 | 0.364 |
| 0.18 | 5.6 | 0.441 | 0.215 |
| 0.19 | 5.3 | 0.254 | 0.124 |
| 0.2 | 5 | 0.266 | 0.129 |
| 0.22 | 4.5 | 0.47 | 0.229 |
| 0.24 | 4.2 | 0.335 | 0.163 |
| 0.26 | 3.8 | 0.254 | 0.124 |
| 0.28 | 3.6 | 0.185 | 0.09 |
| 0.3 | 3.3 | 0.113 | 0.055 |
| 0.32 | 3.1 | 0.083 | 0.04 |
| 0.4 | 2.5 | 0.061 | 0.03 |
| 0.48 | 2.1 | 0.022 | 0.011 |
