Herdla
| Fr | Sa | Su | Mo | Tu | We | Th | Fr | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 18 | 11 | 9 | 21 | 20 | 10 | 7 | 12 |
| Gust (kn) | 22 | 20 | 11 | 25 | 24 | 12 | 7 | 18 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 1.1 | 1.7 | 1.3 | 1.9 | 2.1 | 1 | 1.3 | 1 |
| Period (s) | 5 | 8 | 8 | 7 | 8 | 7 | 8 | 8 |
| Temp. | 13 | 12 | 13 | 14 | 13 | 12 | 14 | 16 |
| Clouds | 100 | 100 | 100 | 28 | 100 | 100 | 72 | |
| Rain | 1 | 9.3 | 3.5 | 0.9 | 0.1 |