This Wind Forecast map displays forecasted surface winds at specific times. Please refer to the time and date in the upper right corner of the map. Indicated time is xt_Great Lakes local time. The vectors (arrows) represent prevailing wind direction. A wind vector pointing down represents wind blowing from north to south, and is commonly referred as a "north wind". Please refer to color legend below for indication of wind velocity. This map is produced by the WeatherFlow Forecast Modeling System and contains proprietary data and technology protected by all Copy Right laws.