Trearddur Bay
| Dc | Dj | Dv | Ds | Dg | Dl | Dm | Dc | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direcció | | | | | | | | |
| Mitjana (kn) | 5 | 20 | 21 | 31 | 25 | 14 | 6 | 25 |
| Ràfega (kn) | 6 | 25 | 25 | 39 | 31 | 15 | 6 | 34 |
| Onades | | | | | | | | |
| Direcció | | | | | | | | |
| Alçada (m) | 0.4 | 1.3 | 1.6 | 3.7 | 1.9 | 3 | 1.4 | 1.2 |
| Període (s) | 8 | 6 | 5 | 9 | 7 | 8 | 9 | 5 |
| Temp. | 11 | 7 | 7 | 7 | 8 | 8 | 7 | 10 |
| Núvols | 100 | 100 | 36 | 97 | 100 | 9 | 100 | |
| Pluja | 1.4 | 0.1 | 0.2 | 0.3 | 1.6 | 1.9 |