Expires:202507200345;;727625 FZUS63 KDTX 191941 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 341 PM EDT Sat Jul 19 2025 For waters beyond five nautical miles off shore on Lake Huron Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...Weak low pressure moves into the Great Lakes today bringing humid and unsettled conditions. The cold front moves through the region tonight with high pressure building back in late Sunday into Monday. LHZ461-200345- MAFOR 1921/ HURON NORTH 11206 11100 11800 14700 11700. A chance of thunderstorms this evening. Waves 2 feet or less. HURON SOUTH 11406 11506 11700 14810 11800. A chance of thunderstorms this evening. Waves 1 to 3 feet. $$ SS Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)