Portland Harbour
| Me | Je | Ve | Sa | Di | Lu | Ma | Me | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 18 | 21 | 19 | 17 | 17 | 20 | 11 | 15 |
| Rafales (kn) | 20 | 22 | 22 | 24 | 20 | 21 | 13 | 14 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 1.7 | 1.4 | 1.9 | 1.5 | 1.7 | 1.4 | 1.2 | 2.6 |
| Période (s) | 9 | 9 | 6 | 14 | 10 | 10 | 5 | 8 |
| Temp. | 6 | 12 | 11 | 13 | 12 | 10 | 9 | 9 |
| Nuages | 100 | 74 | 68 | 34 | 26 | 100 | 100 | |
| Pluie | 0.6 | 0.1 | 0.3 |