Great Lakes Forecast
Issued by NWS
Issued by NWS
295 FZUS63 KDTX 030747 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 347 AM EDT Thu Sep 3 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...A few remaining thunderstorms are passing through a very muggy air mass tonight as a weak cold front drops southward through region. Light wind and thunderstorm chances persist as the front stalls over the southern Great Lakes through late week. LCZ460-031600- Lake St Clair- 347 AM EDT Thu Sep 3 2026 .TODAY...Southwest winds 5 to 10 knots early in the morning becoming light and variable...then becoming southwest 5 to 10 knots early in the afternoon backing to the east. Partly sunny. A chance of light showers in the morning. A chance of thunderstorms. Light showers likely in the afternoon. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots this evening becoming light and variable...then becoming west 5 to 10 knots early in the morning. Partly cloudy becoming mostly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable...then becoming north 5 to 10 knots early in the afternoon. Mostly cloudy. A chance of showers and thunderstorms early in the morning. A chance of light showers early in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy. A chance of light showers early in the evening. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots increasing to 10 to 15 knots in the evening. Partly sunny becoming mostly sunny in the afternoon becoming clear. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ AM Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes