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 2025
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 2.03 | 12 | 6.7 | 229 | 10.6 |
| February | 1.65 | 12.4 | 6.4 | 233 | 9.9 |
| March | 0.8 | 11.5 | 5.9 | 232 | 10.2 |
| April | 0.84 | 10.6 | 5.3 | 229 | 11.5 |
| May | 0.62 | 10.7 | 5.2 | 224 | 14 |
| June | 1 | 8.3 | 4.5 | 231 | 14.4 |
| July | - | - | - | - | - |
| August | - | - | - | - | - |
| September | - | - | - | - | - |
| October | - | - | - | - | - |
| November | - | - | - | - | - |
| December | - | - | - | - | - |
