Katwijk aan Zee
| Za | Zo | Ma | Di | Wo | Do | Vr | Za | |
|---|---|---|---|---|---|---|---|---|
| Wind |  | | | | | | | |
| Richting | | | | | | | | |
| Gemiddelde (kn) | 18 | 15 | 21 | 17 | 14 | 25 | 14 | 9 |
| Windstoot (kn) | 27 | 21 | 32 | 29 | 27 | 39 | 22 | 19 |
| Golven | | | | | | | | |
| Richting | | | | | | | | |
| Golfhoogte (m) | 1.7 | 1.5 | 2 | 1.3 | 1 | 1.8 | 1.1 | 0.9 |
| Periode (s) | 7 | 6 | 7 | 6 | 6 | 7 | 6 | 6 |
| Temp. | 13 | 12 | 12 | 13 | 14 | 15 | 12 | 11 |
| Wolken | 76 | 88 | 100 | 100 | 99 | 100 | 79 | 100 |
| Regen | 0.7 | 0.8 |