Harlech
| So | Mo | Di | Mi | Do | Fr | Sa | So | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richtung | | | | | | | | |
| Durschnitt (kn) | 8 | 8 | 9 | 10 | 21 | 18 | 14 | 17 |
| Bö (kn) | 8 | 8 | 15 | 11 | 23 | 19 | 19 | 19 |
| Wellen | | | | | | | | |
| Richtung | | | | | | | | |
| Höhe (m) | 0.2 | 0.1 | 0.2 | 0.2 | 1.2 | 1 | 0.7 | 0.7 |
| Periode (s) | 13 | 14 | 16 | 13 | 5 | 5 | 11 | 6 |
| Temp. | 6 | 5 | 5 | 6 | 7 | 7 | 4 | 5 |
| Wolken | 92 | 99 | 100 | 52 | 100 | 63 | 73 | 93 |
| Regen | 0.4 | 1.2 | 0.8 |