---
title: "SailFlow: Marine Forecasts — App Overview"
url: https://marlvel.ai/intel-report/weather/com-weatherflow-sailflow
category: Weather
developer: WeatherFlow
platforms: ios, android
rating: 4.7 (5.3K ratings)
pricing: freemium
report_level: overview
generated: 2026-04-15
last_verified: "2026-04-17T20:36:22.365Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app is a high-utility tool for mariners that combines proprietary sensor networks with public data, though users note that advanced features are gated behind a premium subscription.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Weather |
| Rating | 4.7 ★ (5.3K) |
| Pricing | freemium |
| Platforms | iOS, Android |
| Latest Version (iOS) | 6.38 |
| Latest Version (Android) | 5.0 |
| Developer | WeatherFlow |

<!-- SECTION: Summary -->
## What is SailFlow: Marine Forecasts?

SailFlow provides marine-specific weather forecasting and real-time wind reports for sailors and racers. It distinguishes itself by integrating data from over 65,000 proprietary Tempest Weather Systems with government sources like NOAA and NWS to provide hyper-local coastal observations.

<!-- SECTION: Key Features -->
## Key Features

- **Tempest Weather Systems**: Access to over 65,000 proprietary weather stations located at yacht clubs, piers, and near-shore markers.
- **Tempest Rapid Refresh Model**: Delivers high-accuracy Nearcast predictions specifically optimized for marine environments.
- **Comprehensive Data Integration**: Aggregates proprietary data with public domain reports including NOAA, NWS, AWOS, ASOS, METAR, and CWOP.
- **Visual Weather Tools**: Provides a complete marine weather view through radar, forecast maps, and customized alerting.

<!-- SECTION: Target Audience -->
## Who is it for?

Sailors, boaters, and marine racing enthusiasts requiring precise, localized wind and weather data.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/sailflow-marine-forecasts/id555309964?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=com.windalert.android.sailflow&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/weather/com-weatherflow-sailflow)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/weather/com-weatherflow-sailflow).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*