Maximum ice cover on the lower lakes (like Lake Erie) normally occurs between mid-February and end of February. Maximum ice cover on the upper lakes (like Lake Superior) normally occurs …

Lake Erie Experimental FVCOM Nowcast & Forecast ICE (see also non-ice products) Research to Operations Notice Hide Notice

Lake Erie Long Term Average Ice Concentration Compared to Current Year NOAA CoastWatch Great Lakes Lake-wide ice cover derived from data produced by the U.S. National Ice Center …

Great Lakes Ice Cover, Winter 2026 Back to Historical Ice Page data download for 2026: Shapefiles | ASCII files | JPG images geographic metadata 1900's '73 '74 '75 '76 '77 '78 '79 …

Ice cover concentration is added using data provided by the National Ice Center. Lake surface temperatures are updated daily with information from the cloud-free portions of the previous …

In order to understand ice formation and the types of ice in the Great Lakes, researchers and stakeholders use Synthetic Aperture Radar (SAR) data from the NOAA CoastWatch Great …

MODIS (or Moderate Resolution Imaging Spectroradiometer) is a key instrument aboard the Terra (originally known as EOS AM-1) and Aqua (originally known as EOS PM-1) satellites. Terra’s …

Static Pages: Superior | Mich-Huron | Erie | Ontario Animation Pages: Superior | Mich-Huron | Erie | Ontario Top GLCFS Page NetCDF Depot, status page, run times Lake Erie KML grid, png …

Information from NOAA-GLERL Great Lakes Coastal Forecast System -Experimental Research to Operations Notice Hide Notice

GLERL has been monitoring and documenting Great Lakes ice cover since the early 1970's using the ice products developed by the U.S. National Ice Center and the Canadian Ice Service.