Windguru weather forecast for Finland - Mellsten Beach, Espoo. Special wind and weather forecast for windsurfing, kitesurfing and other wind related sports. The conditions at the Mellsten beach in Espoo were warm and sunny for the more experienced guys battling it out for the top positions and the newcomers enjoying the challenge of the 10 km distance race and the short technical race course near the beach after that. View Gallery. Francisco Goya – Free Windsurfing Demo Day at Poole Windsurfing: Fair: Poole Harbour: Formula-ranking 3 , Silversand, Hanko: Race: Silversand.