Saint-Briac-sur-Mer
| Tu | We | Th | Fr | Sa | Su | Mo | Tu | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 10 | 8 | 16 | 19 | 9 | 24 | 21 | 13 |
| Gust (kn) | 20 | 17 | 28 | 31 | 11 | 40 | 36 | 17 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 1.3 | 1.2 | 1.4 | 1.9 | 1.4 | 2.3 | 2.3 | 1.6 |
| Period (s) | 17 | 16 | 13 | 17 | 16 | 14 | 17 | 15 |
| Temp. | 4 | 9 | 13 | 14 | 11 | 11 | 12 | 11 |
| Clouds | 100 | 100 | 100 | 100 | 94 | 100 | 100 | 36 |
| Rain | 0.1 | 0.4 | 0.3 | 3.6 |