Hörnum
| Je | Ve | Sa | Di | Lu | Ma | Me | Je | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 20 | 19 | 21 | 18 | 19 | 21 | 20 | 8 |
| Rafales (kn) | 28 | 27 | 22 | 19 | 21 | 24 | 26 | 8 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 1.2 | 1 | 0.8 | 0.8 | 0.7 | 0.7 | 0.8 | 0.7 |
| Période (s) | 7 | 7 | 14 | 8 | 3 | 3 | 4 | 3 |
| Temp. | 15 | 15 | 13 | 11 | 13 | 12 | 12 | 13 |
| Nuages | 99 | 100 | 10 | 99 | 54 | 1 | 15 | 16 |
| Pluie | 0.2 | 0.8 |