Hardelot
| Je | Ve | Sa | Di | Lu | Ma | Me | Je | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 25 | 12 | 9 | 16 | 11 | 12 | 17 | 25 |
| Rafales (kn) | 31 | 13 | 12 | 28 | 14 | 14 | 21 | 34 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 2.3 | 1.1 | 0.4 | 0.7 | 0.6 | 0.9 | 1.9 | 2.1 |
| Période (s) | 7 | 7 | 9 | 4 | 8 | 13 | 7 | 7 |
| Temp. | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 19 |
| Nuages | 98 | 2 | 100 | 100 | 33 | 100 | 100 | 26 |
| Pluie | 0.1 | 1 | 0.5 |