SailFlow: Sailing Forecasts7.12 - App Store

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

Connect with Tempest:
- facebook.com/tempestwx
- twitter.com/tempest_wx
- youtube.com/@tempestwx
- instagram.com/tempest.earth

Contact Tempest: help.weatherflow.com/hc/en-us/requests/new
Website: tempest.earth

By purchasing a subscription or downloading SailFlow you agree that you have read and accept our Privacy Policy and Terms of Use.
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Version History Enjoy improved nautical map performance, bug fixes, and new French localization now available in the Complete Report. 7.12 Sep 25 Improved subscription management and purchase restoration, plus a new way to access your membership and favorite spots across devices and the web. We’ve also added a new Pro Forecast preview for users who haven’t upgraded to Pro. 7.11 Aug 19 This small update includes improved French localization and minor bug fixes and performance improvements to keep everything running smoothly. 7.10 Aug 12 This small update includes improved French localization and minor bug fixes and performance improvements to keep everything running smoothly. 7.09 Aug 5 We've redesigned the mobile checkout flow to make purchasing quicker and more intuitive. We've also squashed bugs and made a variety of performance improvements to create an even better experience throughout the app. Update today and enjoy! 7.08 Jul 9 Bug Fixes and Performance Enhancements 7.05 Jun 5 Bug Fixes and Performance Enhancements 7.03 May 20 Navigate faster with streamlined access to your go-to spots, enhanced search, and a more immersive full-screen map. Enjoy a cleaner, ad-free experience with Plus, Pro and Gold memberships, smarter Pro forecasts, improved organization, and clearer, more intuitive views. 7.0 Apr 29 Bug Fixes and Performance Enhancements 6.38 Jan 9 We’ve added a new Advisories Layer to your SailFlow map! Quickly view official government alerts, such as weather watches and warnings, high surf advisories, small craft advisories, and more - right on the map. Stay aware, stay prepared, and get the full weather picture at a glance. 6.37 12/19/2025 Bug fixes and performance enhancements 6.34 11/20/2025 Bug fixes and performance enhancements 6.33 11/11/2025 Bug fixes and performance enhancements 6.32 11/08/2025 Bug fixes and performance enhancements 6.29 08/21/2025 Bug fixes and performance enhancements 6.27 08/04/2025 Bug fixes and performance enhancements 6.26 07/08/2025 Bug fixes and performance enhancements 6.25 06/18/2025 Bug fixes and performance enhancements 6.24 05/20/2025 Bug fixes and performance enhancements 6.23 04/08/2025 Just in time for the start of the season, we’ve completely redesigned the Pro Forecast to get you the information you want faster and give you more control than ever!

Fresh New Look – A sleek, modern design that eliminates unnecessary scrolling for an even better experience.
User Customization – Expand and collapse each forecast spot to quickly see your favorites.
Update now and check out the new Pro Forecast design in our in-season forecast regions. 6.22 04/01/2025 Bug fixes and performance enhancements 6.21 03/11/2025 Bug fixes and performance enhancements 6.19 02/06/2025 New Feature: Add our detailed Forecast Widget to your phone’s home screen. 6.18 01/16/2025 Bug fixes and performance enhancements 6.17 11/21/2024 Bug fixes and performance enhancements 6.16 11/16/2024