National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 13/11/2025 07:30(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 07:30(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 07:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.57 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.1 |
| Wind Wave Significant Wave Height (m) | 0.57 |
| Wind Wave Peak Period (s) | 4 |
| Wind Wave Peak Period Direction (°) | 150 |
| Swell Significant Wave Height (m) | 0.02 |
| Swell Peak Period (s) | 33.3 |
| Swell Peak Period Direction (°) | 177.2 |
| % Swell | 0.1 |
Wave Spectra for date 13/11/2025 07:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.03 | 33.3 | 0.002 | 0 |
| 0.11 | 9.1 | 0.004 | 0.001 |
| 0.13 | 7.7 | 0.007 | 0.001 |
| 0.15 | 6.7 | 0.025 | 0.004 |
| 0.17 | 5.9 | 0.079 | 0.013 |
| 0.19 | 5.3 | 0.249 | 0.04 |
| 0.2 | 5 | 0.328 | 0.053 |
| 0.21 | 4.8 | 0.289 | 0.047 |
| 0.22 | 4.5 | 0.389 | 0.063 |
| 0.23 | 4.3 | 0.511 | 0.083 |
| 0.235 | 4.3 | 0.617 | 0.1 |
| 0.24 | 4.2 | 0.658 | 0.107 |
| 0.245 | 4.1 | 0.828 | 0.134 |
| 0.25 | 4 | 1 | 0.162 |
| 0.255 | 3.9 | 0.939 | 0.152 |
| 0.26 | 3.8 | 0.715 | 0.116 |
| 0.265 | 3.8 | 0.533 | 0.086 |
| 0.27 | 3.7 | 0.533 | 0.086 |
| 0.28 | 3.6 | 0.522 | 0.085 |
| 0.29 | 3.4 | 0.414 | 0.067 |
| 0.3 | 3.3 | 0.405 | 0.066 |
| 0.31 | 3.2 | 0.511 | 0.083 |
| 0.33 | 3 | 0.254 | 0.041 |
| 0.35 | 2.9 | 0.441 | 0.071 |
| 0.37 | 2.7 | 0.219 | 0.036 |
| 0.39 | 2.6 | 0.215 | 0.035 |
| 0.47 | 2.1 | 0.201 | 0.033 |
