Penthievre Mer
| Wo | Do | Vr | Za | Zo | Ma | Di | Wo | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 16 | 11 | 6 | 16 | 8 | 12 | 15 | 10 |
| Windstoot (kn) | 25 | 16 | 7 | 21 | 8 | 16 | 25 | 15 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 0.8 | 1.4 | 1.3 | 1.3 | 1.1 | 0.6 | 0.5 | 0.6 |
| Periode (s) | 8 | 15 | 13 | 11 | 8 | 7 | 9 | 9 |
| Temp. | 16 | 18 | 17 | 16 | 17 | 14 | 16 | 17 |
| Wolken | 23 | 39 | 76 | 81 | 4 | 6 | 31 | |
| Regen |