Portnoo
| Mo | Tu | We | Th | Fr | Sa | Su | Mo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 10 | 19 | 25 | 16 | 30 | 24 | 28 | 21 |
| Gust (kn) | 18 | 32 | 32 | 22 | 39 | 40 | 38 | 27 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 2.5 | 2.2 | 4.9 | 2.7 | 4 | 4.4 | 6.2 | 4.8 |
| Period (s) | 14 | 13 | 12 | 12 | 12 | 14 | 14 | 14 |
| Temp. | 12 | 9 | 7 | 10 | 9 | 9 | 9 | 9 |
| Clouds | 4 | 1 | 100 | 84 | 92 | 100 | 74 | 100 |
| Rain | 5.8 | 3.9 | 2.1 | 7.5 | 0.7 | 3.1 |