National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 21/01/2026 15:31 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.
Porthleven
Wave Spectra for 21/01/2026 15:31 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 (21/01/2026 15:31 GMT) | |
|---|---|
| Significant Wave Height (m) | 2.15 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.7 |
| Wind Wave Significant Wave Height (m) | 1.51 |
| Wind Wave Peak Period (s) | 6.7 |
| Wind Wave Peak Period Direction (°) | 210 |
| Swell Significant Wave Height (m) | 1.62 |
| Swell Peak Period (s) | 8.3 |
| Swell Peak Period Direction (°) | 219.4 |
| % Swell | 53.4 |
