


Great Lakes Forecast
Issued by NWS
Issued by NWS
604 FZUS63 KDTX 100749 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 349 AM EDT Thu Jul 10 2025 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...High pressure, 30.00 inches, then expands over the Great Lakes today through tomorrow, bringing tranquil conditions and calm to light winds. The chance for showers and thunderstorms increases this weekend, ahead and along a cold front. LCZ460-101600- Lake St Clair- 349 AM EDT Thu Jul 10 2025 .TODAY...North winds 5 to 10 knots veering to the east in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots. Partly sunny. Waves 2 feet or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .SATURDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the evening. Partly sunny in the morning...then partly cloudy with a chance of showers and thunderstorms in the afternoon and evening. Waves 2 feet or less. .SUNDAY...Northwest winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ TF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes