The Laguna Madre bay separates South Padre Island from the Texas mainland and is recognized as one of the world's top windsurfing destinations. The sailing season in South Padre runs from September through May. Water depth varies from three to five feet, daytime winds average 18 mph and the average yearly temperature is in the 70s. Novices and pros come to sail the bay, the Jetties, Boca Chica and the Ditch, site of some of the fastest windsurfing speeds in North America.