National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 30/04/2026 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.
North Well
Wave Spectra for 30/04/2026 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 (30/04/2026 23:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.55 |
| Wave zero up crossing period (Spectrum Tz) (s) | 3.4 |
| Wind Wave Significant Wave Height (m) | 0.55 |
| Wind Wave Peak Period (s) | 5.1 |
| Wind Wave Peak Period Direction (°) | 38 |
| Swell Significant Wave Height (m) | 0.04 |
| Swell Peak Period (s) | 22.2 |
| Swell Peak Period Direction (°) | 8.4 |
| % Swell | 0.4 |
Wave Spectra for date 30/04/2026 23:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.045 | 22.2 | 0.02 | 0.002 |
| 0.065 | 15.4 | 0.013 | 0.001 |
| 0.085 | 11.8 | 0.004 | 0 |
| 0.105 | 9.5 | 0.003 | 0 |
| 0.125 | 8 | 0.006 | 0.001 |
| 0.135 | 7.4 | 0.009 | 0.001 |
| 0.145 | 6.9 | 0.016 | 0.002 |
| 0.155 | 6.5 | 0.046 | 0.005 |
| 0.165 | 6.1 | 0.177 | 0.019 |
| 0.17 | 5.9 | 0.335 | 0.035 |
| 0.175 | 5.7 | 0.49 | 0.052 |
| 0.18 | 5.6 | 0.762 | 0.08 |
| 0.185 | 5.4 | 1 | 0.105 |
| 0.19 | 5.3 | 0.979 | 0.103 |
| 0.195 | 5.1 | 1 | 0.105 |
| 0.2 | 5 | 0.901 | 0.095 |
| 0.205 | 4.9 | 0.671 | 0.071 |
| 0.215 | 4.7 | 0.828 | 0.087 |
| 0.225 | 4.4 | 0.605 | 0.064 |
| 0.235 | 4.3 | 0.846 | 0.089 |
| 0.245 | 4.1 | 0.617 | 0.065 |
| 0.265 | 3.8 | 0.73 | 0.077 |
| 0.285 | 3.5 | 0.644 | 0.068 |
| 0.305 | 3.3 | 0.605 | 0.064 |
| 0.325 | 3.1 | 0.533 | 0.056 |
| 0.405 | 2.5 | 0.234 | 0.025 |
| 0.485 | 2.1 | 0.099 | 0.01 |
