The frigid and snowy gales off the shore of Lake Superior are the last place you'd expect to find windsurfing... but three of the world’s best packed their bags to take on this unexplored frontier. After weeks of watching the weather forecast and waiting for the ideal storm, PWA stars Levi Siver, Philip Köster, and Marcillio Browne went off the windsurfing grid to conquer some of the gnarliest waves the Great Lakes have to offer.