National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Wave Spectra for 31/07/2025 23:30(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 31/07/2025 23:30(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 (31/07/2025 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.49 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.5 |
| Wind Wave Significant Wave Height (m) | 0.49 |
| Wind Wave Peak Period (s) | 6.5 |
| Wind Wave Peak Period Direction (°) | 101 |
| Swell Significant Wave Height (m) | 0.02 |
| Swell Peak Period (s) | 10.5 |
| Swell Peak Period Direction (°) | 119.5 |
| % Swell | 0.2 |
Wave Spectra for date 31/07/2025 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.035 | 28.6 | 0.003 | 0 |
| 0.055 | 18.2 | 0.005 | 0 |
| 0.075 | 13.3 | 0.003 | 0 |
| 0.095 | 10.5 | 0.007 | 0.001 |
| 0.105 | 9.5 | 0.03 | 0.003 |
| 0.115 | 8.7 | 0.197 | 0.02 |
| 0.125 | 8 | 0.631 | 0.063 |
| 0.135 | 7.4 | 0.556 | 0.055 |
| 0.14 | 7.1 | 0.73 | 0.073 |
| 0.145 | 6.9 | 0.92 | 0.092 |
| 0.15 | 6.7 | 0.979 | 0.098 |
| 0.155 | 6.5 | 1 | 0.1 |
| 0.16 | 6.3 | 0.778 | 0.078 |
| 0.165 | 6.1 | 0.533 | 0.053 |
| 0.17 | 5.9 | 0.617 | 0.062 |
| 0.175 | 5.7 | 0.686 | 0.068 |
| 0.185 | 5.4 | 0.432 | 0.043 |
| 0.195 | 5.1 | 0.671 | 0.067 |
| 0.205 | 4.9 | 0.5 | 0.05 |
| 0.215 | 4.7 | 0.357 | 0.036 |
| 0.235 | 4.3 | 0.38 | 0.038 |
| 0.255 | 3.9 | 0.283 | 0.028 |
| 0.275 | 3.6 | 0.197 | 0.02 |
| 0.295 | 3.4 | 0.219 | 0.022 |
| 0.315 | 3.2 | 0.315 | 0.031 |
| 0.395 | 2.5 | 0.249 | 0.025 |
| 0.475 | 2.1 | 0.189 | 0.019 |
