Great Lakes Forecast
Issued by NWS
Issued by NWS
285 FZUS63 KDTX 132046 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 346 PM EST Thu Nov 13 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, 30.10 inches, expands over the region Thursday into Friday offering lighter winds to end the week. Low pressure, 29.30 inches, tracking over northern Ontario then swings a cold front across the region Saturday bringing colder air back south and supporting the potential for northwest gales Sunday. LCZ460-140500- Lake St Clair- 346 PM EST Thu Nov 13 2025 .TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear until early morning becoming mostly cloudy. Waves 2 feet or less. .FRIDAY...Southwest winds 5 to 10 knots backing to the south in the afternoon. Partly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots after midnight. Mostly clear until early morning becoming mostly cloudy. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots early in the afternoon. Mostly cloudy. A chance of light rain early in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 20 to 25 knots. Mostly cloudy with a chance of light rain until early morning...then partly cloudy after midnight. Waves 2 to 4 feet. .SUNDAY...Northwest winds 20 to 25 knots. Gusts to 30 knots in the afternoon. Mostly clear. Waves 2 to 4 feet. A Small Craft Advisory may be needed. .MONDAY...Northwest winds 20 to 25 knots. Mostly clear. Waves 1 to 3 feet. .TUESDAY...North winds 5 to 10 knots. Partly cloudy. 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