Comparison

SailFlow vs Seagull Coast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Currently charting
Read full 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 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

About

Seagull Coast

Provides real-time environmental conditions, hazard information, and safety guidance for coastal areas. It transforms complex data into clear, actionable insights to help you understand local conditions before heading to the water.

Highlights
  • Real-time weather and water conditions
  • Location-specific safety insights
  • Swim and recreation conditions assessment
  • Coastal hazard alerts
  • Favorite locations
  • Environmental observations and forecasts
Read full description

Know before you go. Seagull Coast helps you make informed decisions by bringing together real-time environmental conditions, hazard information, and coastal safety guidance in one place. Key Features • Real-time weather and water conditions • Location-specific safety insights • Swim and recreation conditions assessment • Coastal hazard alerts and notifications • Favorite locations for quick access • Trusted environmental observations and forecasts Why It Matters Conditions on lakes and coastlines can change rapidly. Seagull Coast transforms complex environmental data into clear, actionable information so you can better understand local conditions before heading to the water. Who It's For • Beachgoers • Swimmers • Paddlers • Boaters • Anglers • Waterfront communities Powered By Seagull Coast is powered by trusted environmental observations, forecasts, and coastal intelligence developed through the Great Lakes observing network (GLOS).

Screenshots

SailFlow4 screens
Seagull Coast4 screens

Verdict

The call

The clearest difference is in-app purchases: Seagull Coast at none against SailFlow's 10. Seagull Coast also leads on review sentiment (100% vs 84%). SailFlow's advantage is ratings volume (5.8K vs 428) and chart position (#38 vs unranked). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month. Seagull Coast asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for SailFlow against 4.8 for Seagull Coast. That said, the two scores are not equally well evidenced: SailFlow has 5.8K ratings behind it against 428, 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 Seagull Coast's.

UpkeepUpdate frequency

SailFlow ships an update every 3 weeks, Seagull Coast fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 5 level
SailFlow versus Seagull Coast: the parameters behind the verdict, then further details
ParameterSailFlowSeagull Coast
PriceFreeFree
Rating4.7 (5.8K ratings)4.8 (428 ratings) — better
Positive reviews84.2% of reviews100.0% of reviews — better
Number of ratings5.8K — better428
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#38 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size137 MB88 MB
Age rating4+4+
DeveloperWeatherFlowGreat Lakes Observing System

Customer experience

SailFlow

All ratings5,827 ratings
Positive96.6%
Neutral1.8%
Negative1.7%
Written reviews360 reviews
Positive84.2%
Neutral4.2%
Negative11.7%

Seagull Coast

All ratings416 ratings
Positive97.8%
Neutral1.4%
Negative0.7%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Seagull Coast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

SailFlow

Subscriptions10
  • Plus$3.991 Month
  • Plus7 Days trial$5.491 Month
  • Gold$14.991 Month
Show 7 more
  • 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
None

Seagull Coast

No in-app purchases

Questions

Is SailFlow free?
SailFlow is free to download, with in-app purchases available.
Is Seagull Coast free?
Seagull Coast is free to download, with no in-app purchases.
Which has better reviews, SailFlow or Seagull Coast?
Seagull Coast is rated higher. SailFlow averages 4.7 out of 5 from 5.8K ratings, while Seagull Coast averages 4.8 from 428 ratings.
Do SailFlow or Seagull Coast have ads?
Neither SailFlow nor Seagull Coast shows ads.
Which is updated more often, SailFlow or Seagull Coast?
SailFlow ships an update every 3 weeks, and Seagull Coast fortnightly. Most recently, SailFlow was updated on October 26, 2026 and Seagull Coast on October 25, 2026.

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