National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Wave Spectra for 13/02/2026 11:30(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.
Blakeney Overfalls
Wave Spectra for 13/02/2026 11:30(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 (13/02/2026 11:30(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 1.48 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.2 |
| Wind Wave Significant Wave Height (m) | 1.47 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 51 |
| Swell Significant Wave Height (m) | 0.07 |
| Swell Peak Period (s) | 12.5 |
| Swell Peak Period Direction (°) | 80.2 |
| % Swell | 0.3 |
Wave Spectra for date 13/02/2026 11:30(i):
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.04 | 25 | 0.006 | 0.007 |
| 0.06 | 16.7 | 0.003 | 0.003 |
| 0.08 | 12.5 | 0.007 | 0.008 |
| 0.09 | 11.1 | 0.004 | 0.005 |
| 0.1 | 10 | 0.092 | 0.112 |
| 0.11 | 9.1 | 0.308 | 0.372 |
| 0.12 | 8.3 | 0.58 | 0.7 |
| 0.125 | 8 | 0.7 | 0.845 |
| 0.13 | 7.7 | 0.778 | 0.938 |
| 0.135 | 7.4 | 0.864 | 1.042 |
| 0.14 | 7.1 | 1 | 1.207 |
| 0.145 | 6.9 | 0.864 | 1.042 |
| 0.15 | 6.7 | 0.58 | 0.7 |
| 0.155 | 6.5 | 0.544 | 0.657 |
| 0.16 | 6.3 | 0.631 | 0.761 |
| 0.17 | 5.9 | 0.511 | 0.617 |
| 0.18 | 5.6 | 0.414 | 0.5 |
| 0.19 | 5.3 | 0.522 | 0.63 |
| 0.2 | 5 | 0.389 | 0.469 |
| 0.22 | 4.5 | 0.48 | 0.579 |
| 0.24 | 4.2 | 0.266 | 0.32 |
| 0.26 | 3.8 | 0.357 | 0.431 |
| 0.28 | 3.6 | 0.219 | 0.265 |
| 0.3 | 3.3 | 0.177 | 0.214 |
| 0.32 | 3.1 | 0.097 | 0.117 |
| 0.4 | 2.5 | 0.105 | 0.127 |
| 0.48 | 2.1 | 0.046 | 0.056 |
