Portland Harbour
| Wo | Do | Vr | Za | Zo | Ma | Di | Wo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 20 | 10 | 6 | 8 | 4 | 2 | 2 | 12 |
| Windstoot (kn) | 26 | 12 | 6 | 9 | 5 | 3 | 3 | 16 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 1.3 | 1.2 | 0.3 | 0.5 | 0.5 | 0.8 | 0.8 | 0.3 |
| Periode (s) | 13 | 9 | 9 | 19 | 16 | 16 | 13 | 12 |
| Temp. | 9 | 8 | 6 | 7 | 7 | 7 | 8 | 9 |
| Wolken | 61 | 6 | 5 | 54 | 42 | |||
| Regen | 0.4 |