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Weather Services

Weather Services and Software

Satellite Weather and Marine Weather Software

Free GRIB FilesBesides the deck under your feet, the wheel in your hand, and the water gliding by, marine weather is the most important tool in any sailor’s toolbox. Without it, you won’t know if that light breeze will turn into a hurricane or if you’re looking at a perfect day.


GMN has solutions for every level of sailor – from weekend cruisers to full time commercial fishermen. We also have an incredibly popular free GRIB file service that has been used by thousands of sailors for more than a decade.


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