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FREE GRIB Files from GMN Marine Weather Services

Global Marine Networks (GMN), the leader in marine weather services, now offers 7 day wind forecasts of the world as a free public service via its GRIB Mail Robot. These forecasts are generated daily at 0015, 0615, 1215, 1815 GMT for every region of the world. GRIB forecasts are based on the National Weather Service, NOAA, Wave Watch III model yielding highly accurate forecasts every 6 hours for up to 7 days into the future. All GRIB forecasts are available via download or delivered by e-mail and optimized specifically for low bandwidth wireless connections.

The GRIB files provided here are derived from the NOAA MMAB Operational Wave Model (wwave3) which is considered to be the best model available for computer generated ocean surface weather forecasts. The user assumes any and all risk associated with the use of these GRIB files.

You must have a way to view these GRIB files. We recommend GRIB Explorer for viewing GRIB files.

Please note: there is no free technical support provided for Free GRIB files.

NEW!

IMPORTANT NOTE:
Iridium Axcesspoint as described above only works with Iridium Extreme and Iridium 9555. Users who have other phones (or an Iridium Extreme or Iridium 9555) need to visit Optimizer: Your Wi_Fi Hotspot and Satellite Firewall Solution for a unit that retails for less and has more features than Axcesspoint.

Download GRIBS Faster!

xweb-saves-airtime-dollarsbrview-3-minute-video

Detailed Videos Include How to Download GRIBS with Iridium AxcessPoint Mail &Web!

FREE GRIB File Instructions via Email

Please read Free GRIB File Instructions for complete information on receiving GMN's Free GRIB weather files via e-mail. Email gmngrib@globalmarinenet.net for information and instructions on how to receive Free GRIB forecasts by email.

If you will be requesting these files by email over a satellite connection, we recommend you use GMN's XGate Wireless Email Solution. With its compression technology and mid-file restart you will realize significant airtime savings.

GRIB File Weather Forecasting

Need to know more about weather forecasting with GRIB files? Check out Chris Parker's Coastal and Offshore Weather, the Essential Handbook

If you are unfamiliar with GRIB, read

What's a GRIB a short story on GRIB files.

Marine Weather Services

For the most comprehensive and easy to use marine weather service available, please see GMN Favorite Marine Weather Package. It includes WeatherNet and GRIB Explorer and a virtual weather data card.

WeatherNet - Weather on Demand

The cornerstone of each GMN Marine Weather Package, WeatherNet offers highly compressed text, images, charts, buoy data, radar, GRIB files, and many more formats. With over 20,000 conveniently indexed, continuously updated weather products, WeatherNet is the largest most comprehensive source of weather data in the world...and the easiest to use! Designed to optimize the download of weather and ocean data via satellite phone and other wireless connections, geographically indexed data is available to you, on demand, by the push of a button.

GRIB Explorer Software

GRIB Explorer software comes with every GMN Marine Weather Package. GRIB data includes surface pressure, wind, waves, swell, cloud cover, precipitation, sea temperature, ocean currents, salinity, even sub-surface temperatures and mixed layer depths. Unleash the power of GRIB weather data with this sophisticated GRIB file viewer with a simple user interface.

MetMapper Software

MetMapper transforms weather maps, satellite images, and ocean charts into interactive elements that carry a map overlay. This allows you to more deeply analyze the weather or ocean charts. This software program offers to all non-GRIB data what GRIB Explorer software does for the GRIB data.

Ocean Bathymetry

Offering digital bathymetry data that provides a startlingly reliable rendering of offshore ocean depths, add ocean Bathymetry to GRIB Explorer or MetMapper software. Relate sea surface heights and temperatures to ocean ridges and valleys. Find ocean shelves and slopes. Bathymetry software includes your choice of one of the six ocean regions. Upgrades to include all six regions are available.

MacWX - Weather on Demand

MacWX is the Mac version of WeatherNet - a system designed to optimize the download of weather and ocean data products. WeatherNet offers highly compressed text, images, charts, buoy data, radar, GRIB files, and many more Mac compatible formats. With over 20,000 conveniently indexed, continuously updated weather products, WeatherNet is the largest most comprehensive source of weather data in the world...and the easiest to use!

MacENC - GRIB Viewer and Marine Navigation & Charting

MacENC is THE GRIB file viewer for the Mac user. In addition to its excellent GRIB viewing features, MacENC is also the professional solution to marine navigation for those with an Apple Macintosh PC onboard.

NEW! 3 Minute Audio How to Download Free Grib Files with an iPod App over Iridium Satellite Phones. Click Here to listen now.

Download FREE GRIB Files

The following is a list of supported regions. Click on the KEY to download a compressed 7 day wind forecast for the selected region. NOTE: Internet Explorer users will need to right click the appropriate link and select "Save Target As.." to download the file.

To view GRIB files you will need the following:

A program to uncompress the GRIB files (they are in bzip2 format).
A GRIB viewer - visit our downloads page for GRIB viewer options.

For viewing GRIB files we recommend GRIB Explorer.

Key	Description
[wind][wave] Pacific	Pacific Region Forecast Data (includes Gulf of Alaska data)
[wind][wave] Atlantic	West Atlantic (US) Region Forecast Data
[wind][wave] Canada	East Canada Region Forecast Data
[wind][wave] Caribbean	Caribbean Basin and Gulf of Mexico Forecast Data
[wind][wave] Drake Passage	Drake Passage Region Forecast Data
[wind][wave] East Atlantic	East Atlantic Region Forecast Data
[wind][wave] Great Lakes	Great Lakes Region Forecast Data
[wind][wave] Northern Europe	Northern Europe Region Forecast Data
[wind][wave] Argentina	Argentina, Chile Region Forecast Data
[wind][wave] South Africa	South Africa Region Forecast Data
[wind][wave] New Zealand	New Zealand Region Forecast Data
[wind][wave] Mediterranean	Mediterranean Region Forecast Data
[wind][wave] Scandinavia	Scandinavian Region Forecast Data
[wind][wave] Barents	Barents Region Forecast Data
[wind][wave] Baffin Bay	Baffin Bay Forecast Data
[wind][wave] West Alaska	West Alaska Region Forecast Data
[wind][wave] Vancouver	Vancouver Region Forecast Data
[wind][wave] Central North Pacific	Central North Pacific Region Forecast Data
[wind][wave] Central South Pacific	Central South Pacific Region Forecast Data
[wind][wave] Central Pacific	Central Pacific Region Forecast Data
[wind][wave] West Pacific	West Pacific Region Forecast Data
[wind][wave] Chile, Peru	Chile, Peru Region Forecast Data
[wind][wave] Central America	Central America Region Forecast Data
[wind][wave] South Atlantic	South Atlantic Region Forecast Data
[wind][wave] Central Atlantic	Central Atlantic Region Forecast Data
[wind][wave] Madagascar	Madagascar Region Forecast Data
[wind][wave] Indian Ocean	Indian Ocean Forecast Data
[wind][wave] North Indian Ocean	North Indian Ocean Forecast Data
[wind][wave] Kergelen	Kergelen Region Forecast Data
[wind][wave] South Australia	South Australia Region Forecast Data
[wind][wave] Indonesia, Australia	Indonesia, Australia Region Forecast Data
[wind][wave] Indonesia, New Zealand	Indonesia, New Zealand Region Forecast Data
[wind][wave] North Japan	North Japan Region Forecast Data
[wind][wave] Tasman Sea	Tasman Sea 30-50S, 140-180E
[wind][wave] Daimler-Chrysler	Daimler-Chrysler 60-10N, 75-0W
[wind][wave] CapeTown-Rio	CapeTown-Rio 20-30S, 48W-25E
[wind][wave] Sydney-Hobart	Sydney-Hobart 2-44S, 146-155E
[wind][wave] Newport-Bermuda	Newport-Bermuda 42-32N, 74-64W