National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 13/11/2025 06:30(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.
Felixstowe
Wave Spectra for 13/11/2025 06:30(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 (13/11/2025 06:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.71 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.1 |
| Wind Wave Significant Wave Height (m) | 0.7 |
| Wind Wave Peak Period (s) | 3.8 |
| Wind Wave Peak Period Direction (°) | 167 |
| Swell Significant Wave Height (m) | 0.05 |
| Swell Peak Period (s) | 22.2 |
| Swell Peak Period Direction (°) | 12.7 |
| % Swell | 0.5 |
Wave Spectra for date 13/11/2025 06:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.045 | 22.2 | 0.009 | 0.002 |
| 0.125 | 8 | 0.006 | 0.001 |
| 0.145 | 6.9 | 0.04 | 0.009 |
| 0.165 | 6.1 | 0.089 | 0.02 |
| 0.185 | 5.4 | 0.315 | 0.07 |
| 0.205 | 4.9 | 0.308 | 0.068 |
| 0.215 | 4.7 | 0.48 | 0.106 |
| 0.225 | 4.4 | 0.38 | 0.084 |
| 0.235 | 4.3 | 0.7 | 0.155 |
| 0.245 | 4.1 | 0.671 | 0.149 |
| 0.25 | 4 | 0.556 | 0.123 |
| 0.255 | 3.9 | 0.631 | 0.139 |
| 0.26 | 3.8 | 0.846 | 0.187 |
| 0.265 | 3.8 | 1 | 0.221 |
| 0.27 | 3.7 | 0.864 | 0.191 |
| 0.275 | 3.6 | 0.592 | 0.131 |
| 0.28 | 3.6 | 0.592 | 0.131 |
| 0.285 | 3.5 | 0.762 | 0.168 |
| 0.295 | 3.4 | 0.7 | 0.155 |
| 0.305 | 3.3 | 0.686 | 0.152 |
| 0.315 | 3.2 | 0.533 | 0.118 |
| 0.325 | 3.1 | 0.544 | 0.12 |
| 0.345 | 2.9 | 0.328 | 0.073 |
| 0.365 | 2.7 | 0.26 | 0.057 |
| 0.385 | 2.6 | 0.224 | 0.05 |
| 0.405 | 2.5 | 0.234 | 0.052 |
| 0.485 | 2.1 | 0.123 | 0.027 |
