Great Lakes Forecast
Issued by NWS
Issued by NWS
012 FZUS63 KDTX 091337 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 937 AM EDT Fri Oct 9 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...Low pressure over Quebec departs on Friday as high pressure builds in from the west. Winds will decrease and shift southerly once the center of the high builds into the Ohio Valley. Rain-free conditions expected until the remnants of Hurricane Isaias arrive Saturday night or Sunday, along with increasing wind speeds. LCZ460-092200- Lake St Clair- 937 AM EDT Fri Oct 9 2026 .REST OF TODAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots becoming southeast 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. .SATURDAY...Southeast winds 10 to 15 knots. Partly sunny. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Mostly cloudy becoming partly cloudy by midnight becoming mostly cloudy. A chance of light rain after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 10 to 15 knots becoming northeast 5 to 10 knots in the evening. Light rain. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .TUESDAY...North winds 15 to 20 knots. Partly cloudy. A chance of light rain. Waves 1 to 3 feet. $$ TF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes