Designed with the dedicated Sailor in mind, SailFlow provides powerful weather visibility with real-time wind observations & forecasts from over 100,000 key locations worldwide. SailFlow is a longtime favorite of both recreational and professional sailors, with a team of world-class professional meteorologists and data scientists powering SailFlow since the very beginning. Leveraging WeatherFlow-Tempest’s exclusive AI forecasting technology, SailFlow provides an intuitive user interface and the most accurate weather data and forecasting available.


  • Live wind reports and forecasts from over 50,000 free weather stations worldwide, 700 exclusive PRO stations, and over 60,000 high-quality PLUS stations.
  • Set alerts for real-time or forecast wind speeds
  • Detailed nautical charts
  • High-resolution radar and satellite imaging
  • Local tides and currents
  • NWS watches, warnings, and marine forecasts
  • Professional meteorologist daily PRO forecast briefings
  • Wind statistics showing average wind seasons broken down by month and year, including archived wind conditions
  • SailFlow mobile app and website

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