@Gkikas-LGPZ
I do not understand exactly what you mean with "wind direction relatively to the boat direction".
Is it "bottom to top" or "left to right" ?
I have tried with another browser without being connected but with same PC. I still get "north up" when opening Route planner.

Capture d’écran 2022-11-29 à 15.01.50.png

@Korina sure here it is https://www.windy.com/dev?14.000,-29.000,4
Let me know if you need more information