Tongatapu
| Tu | We | Th | Fr | Sa | Su | Mo | Tu | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Direction | | | | | | | | |
| Average (kn) | 26 | 23 | 24 | 27 | 16 | 13 | 16 | 18 |
| Gust (kn) | 26 | 26 | 27 | 30 | 19 | 16 | 16 | 19 |
| Waves | | | | | | | | |
| Direction | | | | | | | | |
| Height (m) | 2.4 | 2.6 | 2.8 | 3.2 | 2.4 | 2.2 | 2.2 | 1.9 |
| Period (s) | 8 | 12 | 12 | 12 | 11 | 12 | 12 | 14 |
| Temp. | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 |
| Clouds | 100 | 77 | 61 | 2 | 5 | 32 | 100 | |
| Rain | 6.9 | 0.6 | 1.9 | 0.1 | 1.1 |