http://www.glerl.noaa.gov/ website is down again since mid day December 24. Christmas break? :-) Maps and forecasts are delayed. Hopefully everything is going to be back soon. For current conditions please check webcams as needed. Spots with webcams they are marked with and
Now it is possible to browse through the Great Lakes wave height forecast as far as +120 hours, and down to -49 hours of nowcast. Just press [+1], or [-1] vertical buttons on the side of the weather map.  buttons on the corners are to reset to the most current nowcast.