National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 30/06/2026 22:02 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.
Start Bay
Wave Spectra for 30/06/2026 22:02 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 (30/06/2026 22:02 GMT) | |
|---|---|
| Significant Wave Height (m) | 0.48 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.1 |
| Wind Wave Significant Wave Height (m) | 0.37 |
| Wind Wave Peak Period (s) | 7.1 |
| Wind Wave Peak Period Direction (°) | 167 |
| Swell Significant Wave Height (m) | 0.31 |
| Swell Peak Period (s) | 10.5 |
| Swell Peak Period Direction (°) | 188.4 |
| % Swell | 40.9 |
