


Great Lakes Forecast
Issued by NWS
Issued by NWS
885 FZUS63 KDTX 090201 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 1001 PM EDT Tue Jul 8 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...Dry and calm conditions as high pressure occupies the central Great Lakes. Turning warmer and more humid tonight into Wednesday with the arrival of a low pressure system. Expect periods of scattered showers and thunderstorms until a weak cold front moves through Wednesday evening. Additional storms are possible Friday night into Saturday with gradually warming temperatures. LCZ460-091015- Lake St Clair- 1001 PM EDT Tue Jul 8 2025 .REST OF TONIGHT...South winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms after midnight. Waves 2 feet or less. .WEDNESDAY...South winds 5 to 10 knots. Mostly cloudy. A chance of showers and thunderstorms in the morning...then thunderstorms likely and a chance of light showers in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots veering to the northwest after midnight. Partly cloudy. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots veering to the southeast in the afternoon and evening. Partly cloudy in the morning then clearing. Waves 2 feet or less. .SATURDAY...West winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...Southwest winds 5 to 10 knots. Mostly clear. A chance of showers and thunderstorms. Waves 2 feet or less. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes