SailFlow: Sailing Forecasts

Whether you’re racing, cruising, day sailing, you need precise sailing forecasts and real-time wind. SailFlow delivers both.

Powered by 90,000+ exclusive Tempest Weather Stations and 150,000+ total sources, SailFlow’s weather and wind app delivers unmatched accuracy. With stations on buoys, piers, and key waterfront locations, you get real conditions exactly where you sail.

Plan with confidence using our Tempest Rapid Refresh Model combined with government data to deliver industry-leading Nearcast AI predictions. Then go deeper with radar, high-resolution forecast maps, and fully customizable alerts so you never miss a session.

Real wind. Better sails.

- Coastal observations from proprietary Tempest Weather Systems along with all public domain marine forecasts and reports (NOAA, NWS, METAR, ASOS, CWOP) including all major airports creating over 150,000 unique stations.

- Exclusive Tempest Weather Systems deployed at key coastal locations report wind, rain, barometric pressure and more than 24 other weather observations.

- Apple Watch compatibility

- Live wind from our stations support powerful wind flow visualization – augmented by current station reports with advanced quality control.

- Our Proprietary AI-enhanced Nearcast provides enhanced forecasting for temperature, wind gust, speed, direction, humidity, dewpoint, precipitation rate, probability of precipitation, and cloud cover percentage which is perfect for sailing.

- Public domain forecast models including High Resolution Rapid Refresh (HRRR), North American Mesoscale Forecast System (NAM), Global Forecast System (GFS), Canadian Meteorological Centre Model (CMC) and Icosahedral Non Hydrostatic Model (ICON).

- Create your own favorite station list to keep an eye on your go-to weather stations at all your marine and sailing spots. Check the tides in minutes so you never miss a day on the water.

- Maps: Live and Forecasted Wind Map, Forecasted Temperature, Radar, Satellite, Precipitation and Clouds, as well as Nautical Charts.

- Free subscription for unlimited wind notifications/alerts with customizable thresholds to email, text, or in-app.

- Monitor National Weather Service (NWS) Marine forecasts, high surf warnings, and other to better anticipate waves and current conditions, for safer, more informed decisions on the water.

Additional weather parameters:
- Tides charts
- Wave height, wave period
- Water temperature
- Sunrise / sunset
- Moonrise / moonset
- Historical wind statistics
- Windy days per month
- Wind direction distribution

Go Beyond the Basics: Upgrade to Plus, Pro, or Gold membership to gain access to more weather stations, ad-free browsing, and more.

- Access exclusive Pro and hurricane-proof stations at premier coastal locations and unlock SailFlow’s hyper-accurate Pro forecasts, updated daily by expert meteorologists for sailing hotspots coast to coast.

- Detailed weather at points of interest to coastal residents and property owners near the ocean, rivers, and other bodies of water.

On the water features:
- Sea surface temperatures
- Sea surface currents
- Detailed historical wind statistics
- Historical wind speed average by year

Does your spot need a station? Join the Tempest Weather Network!
Get a Tempest Weather System for your club, dock, or backyard.

Get support: help.weatherflow.com/hc/en-us/categories/200419268-iKitesurf-iWindsurf-SailFlow-FishWeather-WindAlert

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Website: tempest.earth

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