Hel
| Tu | We | Th | Fr | Sa | Su | Mo | Tu | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 14 | 9 | 17 | 18 | 18 | 15 | 7 | 6 |
| Gust (kn) | 20 | 9 | 18 | 21 | 18 | 15 | 6 | 5 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 0.5 | 0.2 | 1.1 | 1.2 | 1 | 1 | 0.4 | 0.4 |
| Period (s) | 3 | 2 | 5 | 5 | 5 | 5 | 5 | 3 |
| Temp. | -3 | -3 | -3 | -6 | -3 | -5 | -4 | -4 |
| Clouds | 75 | 6 | 6 | 40 | 100 | 100 | 100 | 96 |
| Rain | 0.2 | 0.8 | 0.2 |