SailFlow: Marine Forecasts – Precision Wind & Weather for Every Voyage
Harness the power of 65,000+ proprietary Tempest weather stations for hyper-local reports, AI-enhanced Nearcasts, and real-time wind alerts. The ultimate marine dashboard for safety and performance on the water.
SailFlow marine weather app screens showing real time wind and radar forecast maps
Three smartphone screens displaying the SailFlow app with coastal wind maps, wind speed forecast graphs, and historical wind statistics.
SailFlow mobile app screens showing a colored wind map and detailed technical weather forecast data for sailing.
SailFlow app on smartphones showing live marine wind data and maps.
SailFlow app screen showing a detailed graph and summary table of historical wind speed and direction.
SailFlow app interface displaying a professional weather map layer with temperature gradients across the East Coast.
SailFlow app screenshot displaying a detailed tide table and graphical tide chart for Chesapeake Light Tower.
Master the Elements with Professional Marine Intelligence
The tools that make this app stand out, trusted by 467K+ users.
📍
Exclusive Real-Time Observations
Access live wind reports from over 65,000 proprietary Tempest stations located exactly where you sail—on piers, buoys, and yacht clubs.
đź§
AI-Enhanced Nearcast Models
Gain a competitive edge with hyper-local predictions for wind speed and direction, powered by proprietary AI and high-resolution rapid-refresh models.
⌚
Integrated Safety & Utility
View tides, wave heights, and live alerts directly on your Apple Watch, keeping critical marine data accessible while your hands are on the helm.
About the app
Everything you need to know about SailFlow: Marine Forecasts.
Description
Whether you are racing, sailing or just cruising, you want and need the best possible forecasts and live wind reports… and SailFlow has them! We have deployed over 65,000 proprietary Tempest Weather Systems, giving you real-time local weather right where you sail. With exclusive SailFlow stations on near shore markers, buoys, piers, at yacht clubs and key waterfront spots, we have a terrific number of local sailing areas covered. Our Tempest Rapid Refresh Model delivers the most accurate Nearcast predictions to our customers. We supplement our proprietary data with information from government agencies including: NOAA, NWS, and bring in reports sets including the AWOS, ASOS, METAR, and even CWOP. SailFlow creates a complete view of the weather with radar, forecast maps, and customized alerting.
Why you should download SailFlow:
- 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 125,000 unique stations.
- Our exclusive Tempest Weather Systems deployed at marinas and beaches with haptic rain sensors, sonic anemometers, along with local barometric pressure sensors provide ground truth observations.
- Apple Watch compatibility
- Live wind from our systems provides a better windy conditions flow map – 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).
- Free subscription for unlimited wind notifications/alerts with customizable thresholds to email, text, or in-app.
- Create your own favorite station list to keep an eye on your go-to weather stations at all your marine and sailing spots.
- Maps - Live and Forecasted Wind, Forecasted Temperature, Radar, Satellite, Precipitation and Clouds, as well as Nautical Charts.
- National Weather Service (NWS) Marine Forecasts & Marine Warnings / Alerts.
- 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
Want more weather?
- Upgrade to Plus, Pro, or Gold membership to gain access to more weather stations and forecast locations.
- Access our exclusive ultra high-quality array of meteorologist-sited pro stations at top coastal locations, including our professional hurricane-proof stations
- Unlock access to SailFlow’s second-to-none meteorologist-written hyper-accurate pro forecasts written daily 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
What else can you do?
- Join the Tempest Weather Network!
- Get a Tempest Weather System for your club, dock, or backyard.
Want more information?
Support at: 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.
got.wf/privacy
got.wf/terms
Latest Version
6.38
Size
132.2 MB
First Released
Oct 18, 2012
Don’t Just Check the Weather. Master the Water.
Join over 467,000 mariners who rely on our exclusive Tempest sensor network for the most precise marine forecasts. Download SailFlow today and set sail with absolute confidence.
App information, icons, screenshots, and descriptions displayed on this page are sourced from the Apple App Store and are the property of their respective developers. Download estimates and rankings are based on MWM's proprietary models and may not reflect actual figures. This page is provided for informational and analytical purposes only.
Believe this page infringes your intellectual property? File a dispute