Onjuku
| Su | Mo | Tu | We | Th | Fr | Sa | Su | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 13 | 18 | 16 | 5 | 14 | 11 | 10 | 5 |
| Gust (kn) | 22 | 20 | 21 | 6 | 23 | 16 | 13 | 5 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 1.2 | 1.1 | 2 | 0.9 | 1.1 | 0.8 | 0.8 | 1.1 |
| Period (s) | 12 | 12 | 7 | 11 | 11 | 16 | 12 | 12 |
| Temp. | 13 | 12 | 4 | 6 | 4 | 9 | 10 | 13 |
| Clouds | 100 | 94 | 100 | 100 | 31 | 100 | 5 | 6 |
| Rain | 0.2 | 0.1 | 0.4 | 1.9 |