Spiekeroog
| Dl | Dm | Dc | Dj | Dv | Ds | Dg | Dl | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direcció | | | | | | | | |
| Mitjana (kn) | 20 | 19 | 21 | 23 | 9 | 12 | 10 | 11 |
| Ràfega (kn) | 32 | 30 | 28 | 27 | 12 | 19 | 14 | 17 |
| Onades | | | | | | | | |
| Direcció | | | | | | | | |
| Alçada (m) | 0.8 | 1.1 | 0.6 | 0.9 | 0.4 | 0.6 | 0.4 | 0.7 |
| Període (s) | 4 | 9 | 11 | 7 | 7 | 3 | 3 | 4 |
| Temp. | 13 | 8 | 7 | 9 | 6 | 3 | 3 | 6 |
| Núvols | 62 | 100 | 100 | 10 | 49 | 100 | 30 | |
| Pluja | 0.1 | 11.7 | 1.6 |