Penthievre Mer
| Zo | Ma | Di | Wo | Do | Vr | Za | Zo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 18 | 9 | 22 | 16 | 11 | 11 | 12 | 10 |
| Windstoot (kn) | 18 | 14 | 28 | 21 | 15 | 16 | 13 | 17 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 1.3 | 1.2 | 2 | 2 | 1.4 | 1.4 | 1.2 | 1.4 |
| Periode (s) | 15 | 13 | 8 | 14 | 12 | 13 | 11 | 10 |
| Temp. | 13 | 12 | 15 | 14 | 15 | 16 | 21 | 16 |
| Wolken | 98 | 100 | 100 | 33 | 19 | 62 | 100 | |
| Regen | 0.2 | 0.5 | 0.9 |