Report updated Apr 17, 2026

Overview · Full Intel report in progress

iWindsurf: Weather and Waves is an established weather app that is free with in-app purchases. With a 4.8/5 rating from 2.2K reviews, it shows polarized user reception.

What is iWindsurf: Weather and Waves?

iWindsurf provides specialized weather and wave forecasting for wind-based water sports enthusiasts. The app distinguishes itself by integrating data from over 65,000 proprietary Tempest Weather Systems with government sources like NOAA and NWS to deliver localized, real-time wind reports.

Current Momentum

v6.38 · 1mo ago

Active

Last updated 35d ago. 5 versions tracked.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Weather

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Tempest Weather SystemsStandard

Provides real-time, proprietary local weather data from sensors located on piers, buoys, and waterfront spots.

Tempest Rapid Refresh ModelStandard

Delivers high-accuracy Nearcast predictions for specific sailing locations.

Multi-Source Data IntegrationStandard

Aggregates proprietary observations with government data from NOAA, NWS, AWOS, ASOS, METAR, and CWOP.

Customized AlertingStandard

Allows users to set personalized notifications for specific weather conditions and locations.

How much does it cost?

Freemium

Who Built It?

WeatherFlow app icon 1
WeatherFlow app icon 2
WeatherFlow app icon 3
WeatherFlow app icon 4

WeatherFlow

(17.4K)

Providing hyper-local, hardware-backed weather intelligence for marine and outdoor enthusiasts through a proprietary global sensor network.

Portfolio

10

Apps

Free 9
Weather100%

Who is WeatherFlow?

WeatherFlow has built a defensible moat by vertically integrating proprietary hardware—over 65,000 Tempest Weather Systems—with specialized forecasting models, moving beyond the commodity data used by general weather apps. Their strategy focuses on high-intent niche audiences where hyper-local wind precision is a safety and performance requirement rather than a convenience. By maintaining a suite of sport-specific titles instead of a single monolithic app, they capture targeted search traffic across distinct maritime communities while leveraging a shared data infrastructure.

Who is WeatherFlow for?

  • Marine professionals
  • High-stakes outdoor enthusiasts
  • Sailors
  • Kitesurfers
Intense

Portfolio momentum

The publisher maintains an exceptionally high development cadence with 33 updates across 9 active apps in the last six months and a recent release within 14 days.

Last release · 14d agoActive apps · 9Abandoned · 1

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for iWindsurf: Weather and Waves?

How's The Weather Market?

How does it evolve in the Weather market?

ChartRankChange
iOSFree#32NEW
iOSGrossing#733

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for iWindsurf: Weather and Waves

Key Takeaways

While the app offers industry-leading hyper-local data, recent user feedback highlights significant concerns regarding UI stability, app performance, and the removal of legacy features like Apple Watch complications.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by iWindsurf: Weather and Waves, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “iWindsurf: Weather and Waves Intelligence Report.” Updated Apr 17, 2026. https://marlvel.ai/intel-report/weather/com-weatherflow-iwindsurf

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