Portland Harbour
| Zo | Ma | Di | Wo | Do | Vr | Za | Zo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 27 | 21 | 14 | 21 | 17 | 15 | 22 | 20 |
| Windstoot (kn) | 32 | 28 | 19 | 32 | 25 | 21 | 25 | 24 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 2.2 | 1.5 | 1.4 | 1.5 | 1.3 | 1.2 | 1.9 | 2.3 |
| Periode (s) | 6 | 21 | 6 | 18 | 5 | 5 | 7 | 7 |
| Temp. | 10 | 10 | 9 | 11 | 10 | 8 | 7 | 7 |
| Wolken | 100 | 100 | 20 | 1 | 60 | 63 | 100 | |
| Regen | 0.3 | 0.3 | 0.9 |