Saint-Efflam
| Me | Je | Ve | Sa | Di | Lu | Ma | Me | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 19 | 12 | 15 | 11 | 10 | 15 | 10 | 25 |
| Rafales (kn) | 31 | 16 | 29 | 19 | 17 | 21 | 14 | 40 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 1.8 | 1.1 | 1.7 | 1.9 | 1.6 | 1.9 | 2 | 3.1 |
| Période (s) | 9 | 16 | 14 | 13 | 11 | 10 | 8 | 15 |
| Temp. | 14 | 9 | 13 | 15 | 14 | 10 | 7 | 11 |
| Nuages | 95 | 99 | 100 | 87 | 100 | 39 | 76 | 100 |
| Pluie | 0.4 | 0.8 | 0.1 | 3.6 |