Saint-Efflam
| Th | Fr | Sa | Su | Mo | Tu | We | Th | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 8 | 7 | 11 | 10 | 6 | 3 | 4 | 9 |
| Gust (kn) | 10 | 8 | 14 | 18 | 10 | 5 | 5 | 12 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 1 | 0.9 | 0.9 | 0.7 | 0.6 | 0.5 | 0.8 | 0.9 |
| Period (s) | 11 | 12 | 10 | 11 | 13 | 10 | 12 | 11 |
| Temp. | 16 | 18 | 15 | 11 | 13 | 18 | 17 | 18 |
| Clouds | 1 | 8 | 85 | 74 | 74 | |||
| Rain |