Navigation Software For Performance Sailing And Weather Analysis

SailFastâ„¢ is a Windows PC-based navigation program with features that greatly enhance your sailing decisions, whether your goal is to go fast and win races or to cruise off-shore safely. View Grib file weather and ocean forecasts, and derive optimum weather routing solutions using your boat's polars. Interface to GPS and other boat instruments and view it all at your nav station.

Perform professional weather routing for as low as $69. Our various subscription plans are detailed on the Purchase page.

Not ready to purchase? Try our free Demo Version (5 day activation, race blackout periods apply).

Version 10 Released March 2019. Great new features include high resolution Gulf of Maine tidal currents and waypoint laylines. (Updated version 10.3.2 released June 2024)

Product Specs »

New High Resolution Gulf of Maine Tidal Currents

Only SailFast gives you access to these hourly forecasts out to 72 hours (3 days). From Naragansett Bay to Halifax, NS, including the Bay of Fundy. Perfect for the Marblehead - Halifax race. Read our new App Note.


GOMOFS App Note »

Optimum Weather Routing

Chart and detailed data table for each routing segment are synchronized for ease of analysis. Give your crew the critical information they need to anticipate sail changes and go fast. Data includes heading, target speed, wind (apparent and true), SOG, COG, current.

Linked Chart & Optimum Route Table

Full Size Image.


Predicting and analyzing weather, ocean conditions and best routing isn't just for racers ...

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See what our customers have to say ...

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Racing Honors

We share some of our customer's successes.

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Race Examples

Using SailFast in some popular off shore races.

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