Mateus Isaac rides through the water on a windfoil while practicing during the 2018 U.S. National Windsurfing Festival in Seaford Friday April 27, 2018.Justin Ahearn skims his hand across the water while riding on a windfoil during a practice of the 2018 U.S. National Windsurfing Festival in Seaford Friday April 27, 2018. About 70 windsurfers will compete across seven events through Sunday. It is the first time in 18 years the US Windsurfing Association Nationals is being held on the east coast. (Photos by Jonathon Gruenke / Daily Press) For more photos, click here. For video, click here.