National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
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
Average values for 2026
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 2.08 | 11.5 | 6.1 | 229 | 10.1 |
| February | 2.25 | 12.6 | 6.5 | 230 | 10.2 |
| March | - | - | - | - | - |
| April | - | - | - | - | - |
| May | - | - | - | - | - |
| June | - | - | - | - | - |
| July | - | - | - | - | - |
| August | - | - | - | - | - |
| September | - | - | - | - | - |
| October | - | - | - | - | - |
| November | - | - | - | - | - |
| December | - | - | - | - | - |
