SailFlow: Sailing Forecasts
What is SailFlow?
SailFlow is a weather app for sailing that combines data from its Tempest Weather Stations, public marine observations, and forecast models including HRRR, NAM, GFS, CMC and ICON. It offers live and forecast wind maps, radar, nautical charts, tides, wave height and period, and NWS marine forecasts. The listing also states Apple Watch compatibility and free wind alerts with customizable thresholds.
Pricing. SailFlow: Sailing Forecasts is free to download, with in-app purchases on the App Store.
Good for
- Checking live wind and forecast maps before racing or cruising
- Monitoring tides, wave height and water temperature at favorite spots
- Receiving wind alerts by email, text or in-app notification
Screenshots
Why this app is in B tier
SailFlow scores 80 out of 100: rating 95, rating count 78, App Store search rank 48, update recency 100. The four parts are averaged with no weights, and B tier follows from that score within this list. The full explanation, as data.
Description
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 qual
Compare in Weather Maps
| Measure | |||
|---|---|---|---|
| Tier | B | A | B |
| Score | 80 / 100 | 82 / 100 | 80 / 100 |
| Rating | 4.7 ★ | 4.8 ★ | 4.6 ★ |
| Ratings | 5.8K | 43.1K | 30.5K |
| Latest ratings · 180d | — | 4.2 ★ · 20 reviews | 1.9 ★ · 16 reviews |
| Last update | 6d ago | 8d ago | 3d ago |
| Price | Free + IAP | $5.99 | Free + IAP |
Alternatives
See all 29 ›
MyRadar Accurate Weather RadarFree + IAP · ★ 4.8S
Weather & RadarFree download · ★ 4.7S
Windy.comFree + IAP · ★ 4.8S
Where else it ranks
Questions about SailFlow
Is the app free to use?
The app is free to download. The App Store lists in-app purchases, and the listing describes Plus, Pro or Gold memberships that add more weather stations and ad-free browsing. Wind alerts are described as a free subscription.
Where does the forecast and station data come from?
The listing cites SailFlow's Tempest Weather Stations on buoys, piers and waterfront sites, public marine reports from NOAA, NWS, METAR, ASOS and CWOP, and models including HRRR, NAM, GFS, CMC and ICON.
Does it work with Apple Watch and show tides?
The listing states Apple Watch compatibility. It also lists tides charts, wave height and period, water temperature, sunrise and sunset, and historical wind statistics.
Is SailFlow free?
SailFlow is free to download, with in-app purchases.
What is SailFlow good for?
SailFlow is built for checking live wind and forecast maps before racing or cruising, monitoring tides, wave height and water temperature at favorite spots, receiving wind alerts by email, text or in-app notification. It sits in the weather maps list on AppTierList.
Is SailFlow worth it?
SailFlow is B tier, ranked #13 of 30 weather map apps with a score of 80 out of 100, from a 4.7 App Store rating across 5,837 ratings. Good, and 12 apps rank above it.
How does SailFlow compare to MyRadar Weather Radar Pro?
SailFlow is B tier at 80; MyRadar Weather Radar Pro is A tier at 82. MyRadar Weather Radar Pro ranks higher. SailFlow is free to download, with in-app purchases, MyRadar Weather Radar Pro is $5.99 to download.
How often is SailFlow updated?
SailFlow was updated 6 days ago, which counts in its favour.
All the facts
- List
- Weather Maps
- Tier
- B (Good)
- Score
- 80 / 100
- Rank in list
- #13 of 30
- Ranking certainty
- settled
- Price
- Free + IAP
- App Store rating
- 4.7 out of 5
- Number of ratings
- 5,837
- Current version
- (6 days ago)
- App Store data read
- App Store category
- Weather
- Good for
- Checking live wind and forecast maps before racing or cruising, Monitoring tides, wave height and water temperature at favorite spots, Receiving wind alerts by email, text or in-app notification
- Requires
- iOS 15.0 or later
- Size
- 137 MB
- Age rating
- 4+
- Languages
- 5
- Developer pages
- Website · Support · Privacy policy
- Maker
- unclaimed
- As data
- JSON · why it ranks here
Ranking refreshed · how it is computed