Great Lakes Coastal Forecasting System, GLCFS

NOTICE: NOS' upgraded FVCOM-based Lake Michigan-Huron Operational Forecast System (LMHOFS) became operational on July 23, 2019. This is NOAA's official forecast guidance for Lakes Michigan and Huron hydrodynamics, including water temps, currents, and lake levels.
>>Continue to the operational LMHOFS site<<
NOTICE: NOS' upgraded FVCOM-based Lake Erie Operational Forecast System (LEOFS) became operational on May 3, 2016. This is NOAA's official forecast guidance for Lake Erie hydrodynamics, including water temps, currents, and lake levels.
>>Continue to the operational LEOFS site<<
At some point in the future, GLERL's research version will be terminated, and the operational version will serve as its replacement. For more information about LEOFS, please click here.