Porthtowan
| Me | Je | Ve | Sa | Di | Lu | Ma | Me | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 11 | 19 | 19 | 17 | 13 | 16 | 7 | 11 |
| Rafales (kn) | 13 | 28 | 33 | 33 | 21 | 19 | 17 | 20 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 1.5 | 1.7 | 2.5 | 2.3 | 2.5 | 2.6 | 2 | 3.2 |
| Période (s) | 9 | 16 | 13 | 14 | 11 | 11 | 7 | 9 |
| Temp. | 9 | 10 | 12 | 13 | 13 | 10 | 6 | 9 |
| Nuages | 100 | 100 | 76 | 69 | 66 | 100 | 100 | |
| Pluie | 0.4 | 1.8 | 0.3 | 1 | 0.1 |