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.
@idefix37 Yes similar issues.
My hunch: when it comes to the state borders and coordinate grid is because of parsing issues. If the source is IMD RADAR data, their RADAR maps show state borders in red, which conflicts with situations when intense weather is in RADAR range. Maybe this source image (from IMD) gives some clarity: