


Great Lakes Forecast
Issued by NWS
Issued by NWS
792 FZUS63 KDTX 051937 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 337 PM EDT Sun Oct 5 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...Southwest winds will continue into tomorrow, ahead of a cold with average pressure 30.00 inches. This front will settle into Lake Erie on Tuesday and will bring showers and a few thunderstorms. High pressure will then expand across the region from the northwest on Wednesday. LCZ460-060345- Lake St Clair- 337 PM EDT Sun Oct 5 2025 .TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Mostly clear until early morning becoming mostly cloudy. A chance of light showers until early morning...then showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 10 to 15 knots veering to the northwest in the late morning and afternoon. A chance of thunderstorms early in the morning. Rain showers until late afternoon...then light showers likely early in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy until early morning then clearing. Waves 1 to 3 feet. .WEDNESDAY...North winds 10 to 15 knots. Clear. Waves 2 feet or less. .THURSDAY...Southeast winds 10 to 15 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ SF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes