Gravelines
| Lu | Ma | Me | Je | Ve | Sa | Di | Lu | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 18 | 13 | 21 | 6 | 11 | 9 | 9 | 5 |
| Rafales (kn) | 25 | 17 | 24 | 7 | 24 | 15 | 15 | 6 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 1.6 | 1.5 | 2.3 | 0.8 | 0.8 | 0.9 | 0.4 | 0.2 |
| Période (s) | 7 | 6 | 7 | 7 | 7 | 4 | 5 | 12 |
| Temp. | 12 | 11 | 8 | 7 | 5 | 4 | 7 | 5 |
| Nuages | 100 | 57 | 100 | 5 | 63 | 26 | 32 | 37 |
| Pluie | 2.8 | 7 | 0.5 |