SailFlow vs My Marine Forecast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SailFlow
Get hyper-accurate, real-time marine weather forecasts and live wind reports. This app uses proprietary weather systems and integrates public data for detailed wind, wave, tide, and radar information. Customize alerts and track your favorite sailing spots.
- Proprietary Tempest Weather Systems
- Live wind and current station reports
- AI-enhanced Nearcast forecasting
- Radar, satellite, and precipitation maps
- Tides charts and wave height
- Customizable wind notifications
- Nautical charts
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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. got.wf/privacy got.wf/terms
My Marine Forecast
Access professional-grade marine forecasts, including wind, tides, waves, and live weather radar. Plan boating and fishing trips with customizable dashboards and save your favorite locations for instant weather updates.
- Customizable marine forecast dashboard
- Live weather radar with storm tracking
- Detailed tide charts and feeding times
- Sunrise, sunset, and moon phase data
- Save favorite locations
- 8-day extended forecast (Pro)
- Comparison of multiple weather models (Pro)
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Wind, tides, waves, radar and feeding times for the spots you actually fish, in one ad-free dashboard. Now with Home and Lock Screen widgets. Built by a fisherman who got tired of juggling four apps and waiting for ads to clear before seeing a forecast. WIDGETS Wind, fishing conditions and the day's tide curve — with a marker at the current time — on your Home Screen and Lock Screen. Tap through to the full forecast. YOUR DASHBOARD Wind and gusts, wave height and direction, tides, barometric pressure, water temperature and precipitation in one view. Drag the cards into the order you want. LIVE RADAR Track storms up to 3.5 hours ahead, with shading that marks where coverage is estimated from satellite rather than observed by ground radar. MARINE SAFETY ALERTS A push notification the moment the National Weather Service issues a Small Craft Advisory, Gale Warning or Special Marine Warning for your spot. TIDES & FEEDING TIMES NOAA station tide charts, plus solunar major and minor feeding times. SUN, MOON & CONDITIONS Sunrise, sunset, moonrise, moonset, clouds and temperatures. SAVE YOUR SPOTS Launch points, fishing holes and anchorages, one tap away. ASK SIRI "Check My Marine Forecast" for wind, seas, tides and marine warnings, hands free. — PRO, WITH A FREE 7-DAY TRIAL — • Lock Screen widgets, plus the small and large Home Screen sizes (medium is free) • Extended 8-day forecast • 4 weather models — GFS, ECMWF, HRRR and NAM — side by side, with confidence scores • 3.5-hour storm prediction on the live map • Unlimited saved spots No ads, ever.
Screenshots
Verdict
The clearest difference is ratings volume: SailFlow at 5.9K against My Marine Forecast's 26. SailFlow also leads on chart position (#33 vs unranked) and device support (4 vs 2). My Marine Forecast's advantage is review sentiment (100% vs 84%). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month and My Marine Forecast sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for SailFlow against 4.7 for My Marine Forecast. That said, the two scores are not equally well evidenced: SailFlow has 5.9K ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 84% of SailFlow's written reviews are positive against 100% of My Marine Forecast's.
SailFlow ships an update every 3 weeks, My Marine Forecast every 2 weeks. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.
| Parameter | SailFlow | My Marine Forecast |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5.9K ratings) — better | 4.7 (26 ratings) |
| Positive reviews | 84.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 5.9K — better | 26 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | #33 — better | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 137 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | WeatherFlow | Steve Wilson |
Customer experience
SailFlow
My Marine Forecast
Bugs and requests
SailFlow
Reported bugs
3 issues- Recent update caused app to crash
- Favorites list not working properly
- Wind direction arrow pointing incorrectly
Requested features
5 requests- Add more local weather stations
- Improve map and location search
- Provide more forecast models
- Add support for Apple Watch
- Fix wind direction arrow issue
My Marine Forecast
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SailFlow
- Plus$3.991 Month
- Plus7 Days trial$5.491 Month
- Gold$14.991 Month
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- Pro7 Days trial$14.991 Month
- Pro - Pay As You Go (auto-renewing)$19.991 Month
- Gold7 Days trial$21.991 Month
- Plus$44.991 Year
- Plus7 Days trial$44.991 Year
- Pro7 Days trial$119.991 Year
- Gold$179.991 Year
My Marine Forecast
- Pro Monthly7 Days trial$4.991 Month
- Pro Annual7 Days trial$44.991 Year
Questions
Is SailFlow free?
Is My Marine Forecast free?
Which has better reviews, SailFlow or My Marine Forecast?
Do SailFlow or My Marine Forecast have ads?
Which is updated more often, SailFlow or My Marine Forecast?
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