Download of PredictWind Offshore 7.1.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular version among the application users is 1.4. The latest version of the program is supported on Mac OS X 10.9 or later. This free Mac application is a product of PredictWind Ltd. We recommend checking the downloaded files with any free antivirus. The program is categorized as Lifestyle Tools.
From the developer:
Powered by PredictWind's world leading marine weather forecasts, the free offshore app allows seamless downloading of multiple GRIB files for your coastal or offshore passage. The intuitive interface allows you to download and immediately view GRIB files, weather routes, GMDSS Text forecasts and Satellite Imagery.
You may want to check out more software for Mac, such as Tropico 3: Gold Edition, which might be related to PredictWind Offshore.