2. Advanced-settings - Set other preferences for your boat - chose the boat polar from the drop-down list or select one that is close and then adjust using the Polar Speed adjustment. Select at the top whether you want a performance or cruising course option. If selecting the latter you can key in wind and wave parameters to give a comfortable ride. If Performance routing is used Predictwind will chose the course which will get your boat to its destination in the fastest possible time, sailing at the fastest wind angles - PredictWind Routing module