To skate on the water set cust ontop of this building where I am. Next get off board. After that you will need to get on board and be at this screen before you leave the face of the cliff. Now set cust on the water. When you hit goto cust it should like this. Now after you hit goto and you are restarted on this ramp you will need to get off your board before you move ANYWHERE. As soon as you are restarted you need to get off your board. Now hit goto cust again and you will be skating on the water.