


Great Lakes Forecast
Issued by NWS
Issued by NWS
951 FZUS63 KDTX 090754 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 354 AM EDT Thu Oct 9 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, 30.50 inches, continues to influence the region today. The next cold front arrives over the western Great Lakes tonight into early Friday with an upper low bringing unsettled conditions to the area this weekend. LCZ460-091600- Lake St Clair- 354 AM EDT Thu Oct 9 2025 .TODAY...East winds 5 to 10 knots. Sunny. Patchy frost early in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...South winds 10 to 15 knots. Partly cloudy until early morning becoming mostly cloudy. A chance of light showers until early morning...then light showers likely after midnight. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots diminishing to 5 to 10 knots in the afternoon...then becoming east 10 to 15 knots in the evening. Partly sunny with light showers likely...then partly cloudy with light showers likely in the evening. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .MONDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes