FZUS63 KDTX 031937 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 337 PM EDT Thu Jul 3 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...A weak cold front, 29.80 inches, clears the area this evening as high pressure, 30.10 inches, builds directly across the region. A warm front passes through on late Friday into Saturday with warmer and unsettled conditions for the second half of the weekend. LCZ460-040345- Lake St Clair- 337 PM EDT Thu Jul 3 2025 .TONIGHT...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming south 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots. Sunny in the morning... then mostly clear with a chance of showers and thunderstorms in the afternoon and evening. Waves 2 feet or less. .MONDAY...Northeast winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes