Exocet Windsurfing - http://www.exocet-original.com/
Maui Sails - http://www.mauisails.com/
Seabreeze - http://www.seabreeze.com.au/
Wind Guru - http://www.windguru.cz/int/
Bureau of Meteorology (BOM) - http://www.windguru.cz/int/