Attention sailors and seafarers! MAFOR Decode and Display simplifies and streamlines MArine FORecast interpretation. After entering MAFOR code using a standard keypad, the forecast is automatically decoded and displayed in an easy-to-read format. Forecasts are saved for quick retrieval and review.

MAFOR, an abbreviation of MArine FORecast, is a North American code used in the transmission of marine weather forecasts to compress a volume of meteorological and marine information into shorter code for convenience during radio broadcasting. The MAFOR forecast usually supplies the period of validity for the forecast, future wind speed and direction, and weather.

-http://en.wikipedia.org/wiki/MAFOR