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Marine Weather Packages for Iridium, Inmarsat, and Most Other Satellite Phones and Terminals

GMN offers Marine Weather Packages for weather and ocean information over Iridium, Inmarsat or any IP-based connection while at sea.
Marine Weather Packages

Compare Marine Weather Packages

All packages include WeatherNet service, a virtual weather data card and GRIB Explorer. Add optional MetMapper for a Full Marine Weather package. Windows OS and Mac OSX compatible!


Virtual Weather
Data Card

GRIB Explorer


Cost ($US)

Marine WX Pkg


$75 included




Marine WX Pkg


$75 included




Marine Weather Package Components

WeatherNet™ for NOAA, GRIBS, Text, Images, Charts and More

WeatherNet for Weather on Demand

WeatherNet service, the cornerstone of each GMN Marine Weather Package, offers highly compressed text, images, charts, buoy data, radar, GRIB files, NOAA reports 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 quickly download weather and ocean data via satellite phone and other wireless connections, this conveniently geographically indexed data is available to you, on demand, by the push of a button. Each GMN Marine Weather Package includes a one-year subscription to WeatherNet service.

Virtual Weather Data Cards

Each GMN Marine Weather Package includes a $75.00USD pre-paid virtual weather data access card. With WeatherNets revolutionary fee structure, each weather product is priced independently. Pay only for the weather products that you download. Upgrades are available in $250, $500 or $1000 denominations.

GRIB Explorer

GRIB Explorer

GRIB Explorer software comes with every GMN Marine Weather Package. GRIB Explorer is a sophisticated GRIB file viewer with a simple user interface and works seamlessly with WeatherNet. If you are unfamiliar with GRIB, read What's a GRIB a short story on GRIB files.



MetMapper software 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.

Pair Marine Weather with Email, Web Browsing, Vessel Tracking and Satellite Airtime

Pair marine weather products with GMN's customized packages to meet your needs for wireless voice and data communication wherever you are.

XGate to Access Email Over Satellite: Up to 15 times faster than uncompressed satellte rates, and save up to (5% on satellite data airtime.

XWeb to Browse the Internet Over Satellite: Up to 3-5 times faster than uncompressed rates, saving time and money with your satellite airtime service.

Other services include: airtime, and vessel tracking.

GMN Marine Weather Packages Work with These Providers, or Any IP-Based Connection

Iridium Email/Internet Satellite Phone Service Inmarsat Email/Internet Satellite Phone Service Globalstar Email/Internet Satellite Phone Service Thuraya Email/Internet Satellite Phone Service MSAT G2 Email/Internet Satellite Phone Service VSAT Email/Internet Satellite Phone Service

NEW! Use WeatherNet over Optimizer WiFi Hotspot and Firewall with your Iridium 9555 or Extreme or virtually any other satellite phone!


  • WeatherNet FREE Trial (includes GRIB Explorer & MetMapper)

  • >Learn more...


  • WeatherNet Service
  • GRIB Explorer Software
  • MetMapper Software

  • Coastal and Offshore Weather, The Essential Handbook

  • FREE GRIB File Instructions

  • FREE GRIB Files