National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 13/11/2025 06:00(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.
Felixstowe
Wave Spectra for 13/11/2025 06:00(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 (13/11/2025 06:00(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.74 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.2 |
| Wind Wave Significant Wave Height (m) | 0.74 |
| Wind Wave Peak Period (s) | 3.8 |
| Wind Wave Peak Period Direction (°) | 156 |
| Swell Significant Wave Height (m) | 0.04 |
| Swell Peak Period (s) | 28.6 |
| Swell Peak Period Direction (°) | 267.2 |
| % Swell | 0.3 |
Wave Spectra for date 13/11/2025 06:00(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.035 | 28.6 | 0.005 | 0.001 |
| 0.115 | 8.7 | 0.004 | 0.001 |
| 0.135 | 7.4 | 0.017 | 0.004 |
| 0.155 | 6.5 | 0.078 | 0.017 |
| 0.175 | 5.7 | 0.177 | 0.04 |
| 0.195 | 5.1 | 0.342 | 0.077 |
| 0.205 | 4.9 | 0.315 | 0.071 |
| 0.215 | 4.7 | 0.397 | 0.089 |
| 0.225 | 4.4 | 0.631 | 0.142 |
| 0.235 | 4.3 | 0.939 | 0.212 |
| 0.24 | 4.2 | 0.901 | 0.203 |
| 0.245 | 4.1 | 0.882 | 0.199 |
| 0.25 | 4 | 0.92 | 0.207 |
| 0.255 | 3.9 | 1 | 0.225 |
| 0.26 | 3.8 | 1 | 0.225 |
| 0.265 | 3.8 | 0.959 | 0.216 |
| 0.27 | 3.7 | 0.959 | 0.216 |
| 0.275 | 3.6 | 0.73 | 0.165 |
| 0.285 | 3.5 | 0.605 | 0.136 |
| 0.295 | 3.4 | 0.568 | 0.128 |
| 0.305 | 3.3 | 0.671 | 0.151 |
| 0.315 | 3.2 | 0.778 | 0.175 |
| 0.335 | 3 | 0.544 | 0.123 |
| 0.355 | 2.8 | 0.441 | 0.099 |
| 0.375 | 2.7 | 0.289 | 0.065 |
| 0.395 | 2.5 | 0.181 | 0.041 |
| 0.475 | 2.1 | 0.128 | 0.029 |
