


Great Lakes Forecast
Issued by NWS
Issued by NWS
080 FZUS63 KDTX 081403 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 1003 AM 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...Mainly dry conditions overnight into Tuesday as high pressure builds further into the central Great Lakes. Turning warmer and more humid Wednesday with the arrival of a low pressure system. Expect a period of showers and thunderstorms with the system`s warm front and trailing cold front. Additional storms are possible Thursday. LCZ460-082215- Lake St Clair- 1003 AM EDT Tue Jul 8 2025 .REST OF TODAY...Light and variable winds. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the south early in the morning. Mostly clear. A chance of. Waves 2 feet or less. .WEDNESDAY...South winds 5 to 10 knots. Mostly cloudy with a chance of showers and thunderstorms. 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 in the evening. Partly cloudy in the morning then clearing. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots. Mostly clear. A chance of showers and thunderstorms. 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