Guissény
| We | Th | Fr | Sa | Su | Mo | Tu | We | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 15 | 25 | 29 | 11 | 29 | 18 | 10 | 18 |
| Gust (kn) | 24 | 39 | 47 | 16 | 42 | 24 | 14 | 24 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 3 | 3.6 | 5.3 | 3.8 | 5.3 | 5 | 3.4 | 3.2 |
| Period (s) | 16 | 13 | 17 | 15 | 14 | 16 | 14 | 12 |
| Temp. | 12 | 12 | 14 | 11 | 11 | 11 | 9 | 9 |
| Clouds | 62 | 100 | 100 | 68 | 100 | 43 | 98 | 48 |
| Rain | 0.2 | 1 | 1.5 | 1.2 |