Porthcawl Sea Front Site 4
| Dc | Dj | Dv | Ds | Dg | Dl | Dm | Dc | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direcció | | | | | | | | |
| Mitjana (kn) | 7 | 18 | 18 | 13 | 14 | 17 | 9 | 11 |
| Ràfega (kn) | 10 | 27 | 29 | 22 | 21 | 21 | 14 | 12 |
| Onades | | | | | | | | |
| Direcció | | | | | | | | |
| Alçada (m) | 0.5 | 0.9 | 1.5 | 1.4 | 1.8 | 1.6 | 1.3 | 2.6 |
| Període (s) | 9 | 9 | 12 | 14 | 11 | 9 | 7 | 9 |
| Temp. | 6 | 8 | 11 | 13 | 11 | 9 | 6 | 8 |
| Núvols | 100 | 84 | 82 | 6 | 49 | 100 | 100 | |
| Pluja | 0.2 | 0.6 | 1.1 |