FZUS63 KDTX 160744 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 344 AM EDT Thu Apr 16 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...Weak area of low pressure, 29.60 inches, tracks into the Great Lakes today maintaining periods of showers and thunderstorms. A powerful cold front looks to cross the area on Saturday, with will present strong winds ahead and behind the front. LCZ460-161545- Lake St Clair- 344 AM EDT Thu Apr 16 2026 .TODAY...Southwest winds 10 to 15 knots with gusts to 20 knots. Becoming partly sunny late in the afternoon. Light showers until late afternoon. A chance of thunderstorms in the afternoon. Rain showers likely late in the afternoon. Waves 2 feet or less. .TONIGHT...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy becoming mostly cloudy. A chance of showers and thunderstorms early in the evening. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming southeast 5 to 10 knots early in the afternoon. Partly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Partly cloudy becoming mostly cloudy. A chance of showers and thunderstorms after midnight. Waves 2 feet or less. .SATURDAY...Southwest winds 15 to 20 knots veering to the west in the evening. Mostly cloudy becoming partly cloudy. A chance of thunderstorms in the morning. A chance of light showers. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon...then subsiding to 1 to 3 feet in the evening. .SUNDAY...Northwest winds 15 to 20 knots. Partly cloudy. A chance of light showers. Waves 1 to 3 feet. .MONDAY...South winds 15 to 20 knots. Mostly clear. Waves 2 feet or less. $$ SF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes