Wind — 2026
| Month | Harlingen | Vlieland | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 33.8 km/h | 32.2 km/h | +1.6 |
| Apr | 28.2 km/h | 29.4 km/h | -1.2 |
| May | 20.9 km/h | 21.8 km/h | -0.9 |
| Jun | 24 km/h | 24.8 km/h | -0.8 |
| Jul | 24.2 km/h | 25 km/h | -0.8 |
| Aug |
| 21.7 km/h |
| 22.7 km/h |
| -1.0 |
| Sep | 25.9 km/h | 27.2 km/h | -1.3 |
| Oct | 29.8 km/h | 31.5 km/h | -1.7 |
| Nov | – | – | – |
| Dec | – | – | – |