


Great Lakes Forecast
Issued by NWS
Issued by NWS
048 FZUS63 KDTX 101950 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 350 PM EDT Thu Jul 10 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...High pressure, 30.00 inches, holds over the Great Lakes today through tomorrow, bringing tranquil conditions and calm to light winds. Increasing chances for showers and thunderstorms tomorrow and again this weekend, which can bring localized stronger gusts with any thunderstorms. LCZ460-110400- Lake St Clair- 350 PM EDT Thu Jul 10 2025 .TONIGHT...East winds 5 to 10 knots until early morning becoming light and variable. Partly cloudy. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming south 5 to 10 knots in the afternoon. Partly sunny. A chance of light showers in the morning...then a chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon...then increasing to 10 to 15 knots early in the afternoon. Mostly sunny. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy with a chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...West winds 5 to 10 knots veering to the northwest in the evening. Mostly cloudy with a chance of light showers in the morning...then partly cloudy with a chance of showers and thunderstorms in the afternoon and evening. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .TUESDAY...South 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