FZUS63 KDTX 290813 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 413 AM EDT Tue Apr 29 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...Low pressure system, around 29.40 inches, will finish tracking through the northern Great Lakes sending a warm front across the region early this morning before the cold front follows later in the day. High pressure builds in behind this system on Wednesday. LCZ460-291615- Lake St Clair- 413 AM EDT Tue Apr 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 20 knots with gusts to 30 knots becoming west 20 to 25 knots with gusts to 30 knots late in the afternoon. Mostly cloudy with a chance of showers and thunderstorms. Waves 1 to 3 feet. .TONIGHT...Northwest winds 15 to 20 knots with gusts to 30 knots becoming north 10 to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon becoming light and variable. Partly sunny. Waves 2 feet or less. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Partly cloudy in the evening...then mostly cloudy with a chance of light rain after midnight. Waves 2 feet or less. .THURSDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots in the evening. Light rain in the morning...then rain and a chance of thunderstorms in the afternoon and evening. Waves 1 to 3 feet. .FRIDAY...Northwest winds 15 to 20 knots. Mostly cloudy with light rain and a chance of thunderstorms. Waves 1 to 3 feet. .SATURDAY...North winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes