National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 21/05/2025 10:00(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.
St Mary's Sound
Wave Spectra for 21/05/2025 10:00(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 (21/05/2025 10:00(i) GMT) | |
|---|---|
| Significant Wave Height (m) | 0.46 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.5 |
| Wind Wave Significant Wave Height (m) | 0.35 |
| Wind Wave Peak Period (s) | 6.9 |
| Wind Wave Peak Period Direction (°) | 238 |
| Swell Significant Wave Height (m) | 0.29 |
| Swell Peak Period (s) | 10.5 |
| Swell Peak Period Direction (°) | 277 |
| % Swell | 40.9 |
