Roundstone
| Wo | Do | Vr | Za | Zo | Ma | Di | Wo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 18 | 22 | 16 | 17 | 29 | 18 | 11 | 21 |
| Windstoot (kn) | 27 | 34 | 22 | 24 | 43 | 27 | 16 | 32 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 4.2 | 2.7 | 6.2 | 4 | 5.1 | 3.3 | 4.2 | 2.3 |
| Periode (s) | 16 | 14 | 18 | 16 | 18 | 15 | 15 | 12 |
| Temp. | 6 | 8 | 7 | 8 | 8 | 7 | 7 | 8 |
| Wolken | 92 | 89 | 99 | 80 | 28 | 90 | 100 | |
| Regen | 3.1 | 3.9 | 1.4 | 1 | 0.5 | 0.7 | 0.1 |