Windsurfing is a recreational sport, involving surfing and sailing on water.
Quark and Ro Laren once went windsurfing on a holosuite recreation of the Columbia River. Quark disliked the experience, but enjoyed spending time with Ro. (DS9 - Mission Gamma novel: Cathedral)
Prynn Tenmei daydreamed about windsurfing on Pelagia Prime while she was held captive by Taran'atar. (DS9 novel: Warpath)