Free GRIB Viewer.

The simplest way to download and view GRIB forecast files

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Easily download and view GRIB forecast files

This free app from PredictWind seamlessly downloads 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.

Universal integration

The Offshore App has seamless integration with most satellite and SSB systems.

Forecast confidence

Compare all of our weather models: ECMWF, SPIRE, UKMO, GFS, PWG, PWE plus more regional models.

Powerful tools

Powerful forecast tools that are easy to operate including Weather Routing and Departure Planning.

Optimised downloads

All forecast data is highly compressed to keep download times and costs to a minimum.

Access data without downloading

Cloud-based Weather Routing gives access to powerful high resolution forecasts in a tiny 6kb file size.

Universal integration

The Offshore App has seamless integration with most satellite and SSB systems.

Forecast confidence

Compare all of our weather models: ECMWF, SPIRE, UKMO, GFS, PWG, PWE plus more regional models.

Powerful tools

Powerful forecast tools that are easy to operate including Weather Routing and Departure Planning.

Outstanding customer support

Our support team of experienced sailors and marine experts get you the help you need, fast.

Download the Offshore App

IOS Android PC Mac Chromebook Raymarine

A Standard/Professional subscription is required to download GRIB files on a Satellite/SSB connection, and to use the Weather Routing/Departure Planning tools.

GRIB Files

GRIB files (General Regularly-distributed Information in Binary form) are the same forecasts from our weather forecast site but in a highly compressed format. This makes them ideal for downloading across wireless communication devices offshore.

GRIB Files

How it works

Select your route

Set your start and end points then the app will automatically select the relevant high resolution GRIB files for your trip. These are only available with a Standard/Professional subscription.

Download

Click on the download button to download your GRIB files. Select from Wind, Gust, Rain, Wave, Cloud, Temperature, Pressure and CAPE.

View GRIB Files

The GRIB files from your latest download are automatically displayed, and can be animated by the control menus.

Weather Tools

The app includes powerful tools for trip planning and forecasting including Weather Routing, Departure Planning, Destination forecast, GMDSS text forecasts & Satellite imagery.

Learn more about how to use the Offshore App with your Satellite or SSB connection with our comprehensive tutorials.

View Tutorials

Hardware Compatibility

Starlink

Starlink is the choice for high speed internet access, but when heading offshore with the mobile priority 50GB plan, the Offshore App is a great way to minimize data usage to help prevent data overages.

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Iridium GO! exec

Your essential safety communication device with global coverage. Rugged, portable, reliable, low power, compact and 40X faster than an Iridium GO! It can also be used as a standalone satellite phone with no apps required.

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Iridium GO!

The Offshore app has built in Iridium GO! connectivity and optimization. Connect directly with the Iridium GO! to access GRIB files anywhere in the world via satellite with our unlimited data plan.

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DataHub by PredictWind

GPS Track, blog, connect and save all your onboard data sources with the DataHub. It’s packed full of extra features including wind data, GPS & internet sharing, boat polars, data logging and remote support.

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YB3i Tracker

The most affordable Global GPS solution on the market. View the GPS track of your boat, your friends boats, or your local cruising rally in the Offshore App.

View Hardware

Download the Offshore App

IOS Android PC Mac Chromebook Raymarine

A Standard/Professional subscription is required to download GRIB files on a Satellite/SSB connection, and to use the Weather Routing/Departure Planning tools.