Category Archives: Marine Weather Forecasting

Chicago Yacht Club’s Race To Mackinac Climatology

Introduction
The Chicago Yacht Club’s Race to Mackinac is a little over two weeks away. It’s too early to begin working on your weather forecast. However, reviewing the long-term average conditions on Lake Michigan during July is great way to set the stage for a weather forecast, particularly for if you are participating in the Race for the first time.

Wind and Wave Observations
The National Data Buoy Center (NDBC) maintains two floating discus bouys in Lake Michigan. Buoy 45002 is located in the northern basin north of the Manitou islands, while buoy 45007 is located in southern Lake Michigan approximately 43 nautical miles southeast of Milwaukee, Wisconsion (click here for a map of Lake Michigan).
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