


Great Lakes Forecast
Issued by NWS
Issued by NWS
045 FZUS63 KDTX 250738 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 338 AM EDT Fri Jul 25 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 stalls near Lake Erie Friday and moves back north during the weekend for a continue active pattern of showers and thunderstorms. LCZ460-251545- Lake St Clair- 338 AM EDT Fri Jul 25 2025 .TODAY...Northwest winds 5 to 10 knots in the morning becoming light and variable...then becoming northeast 5 to 10 knots late in the afternoon. Mostly cloudy. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots until early morning becoming light and variable. Partly cloudy with a chance of light showers until early morning...then mostly cloudy with a chance of light showers early in the morning. Waves 2 feet or less. .SATURDAY...Southeast winds 5 to 10 knots veering to the south early in the afternoon. Mostly cloudy. A chance of light showers until late afternoon...then showers likely and a chance of thunderstorms early in the afternoon. Some thunderstorms may produce heavy rainfall early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy until early morning becoming partly cloudy. A chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall early in the evening. Waves 2 feet or less. .SUNDAY...West winds 5 to 10 knots in the morning becoming light and variable. Partly sunny with a chance of light showers...then clear in the evening. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots. Mostly clear. 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