Great Lakes Forecast
Issued by NWS
Issued by NWS
041 FZUS63 KDTX 150137 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 937 PM EDT Tue Jul 14 2026 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...A mainly dry cold front will drop south through the Central Great Lakes tonight and Wednesday. Weak high pressure follows for Thursday before the next low pressure system moves in for the late week and early weekend time frame. LCZ460-150945- Lake St Clair- 937 PM EDT Tue Jul 14 2026 .REST OF TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Clear. Waves 2 feet or less. .WEDNESDAY...West winds 5 to 10 knots veering to the east in the afternoon. Mostly sunny. Smoke late in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear. Smoke. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots. Mostly sunny. Smoke early in the morning. Waves 2 feet or less. .THURSDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots. Partly sunny...then partly cloudy with a chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SATURDAY...West winds 10 to 15 knots. Partly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ SC Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes