National Weather Service United States Department of Commerce

Great Lakes Marine Forecasts - click on the area of interest

 

The NWS, through this experimental product, will now provide wave height, period, and direction in the Coastal Waters Forecast (CWF). 

map of Great Lakes, highlighting NWS offices that issue marine forecastsBuffalo marine zones Buffalo Cleveland marine zones Detroit/Pontiac marine zones Gaylord marine zones Gaylord marine zones Grand Rapids marine zones Northern Indiana marine zones Chicago marine zones Milwaukee/Sullivan marine zones Green Bay marine zones Marquette marine zones Marquette marine zones Duluth marine zones