In a standard passenger car, partial hydroplaning can begin at speeds as low as
Hydroplaning occurs when there is standing water on a roadway. Beginning at speeds of 35 mph, most tires will channel water away from the tire similar to the way a windshield wiper cleans the windshield. As your speed increases, tires cannot channel the water as well, and your tires may start to lose contact with the road and ride over the water like a set of water skis. In a standard passenger car, partial hydroplaning can begin at speeds as low as 35 mph.