


Great Lakes Forecast
Issued by NWS
Issued by NWS
961 FZUS63 KDTX 300212 RRA GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 940 PM EDT FRI AUG 29 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, 30.20 inches, holds over the Great Lakes this weekend and into early next week. This will sustain dry weather and more tranquil conditions. LCZ460-300800- Lake St Clair- 940 PM EDT FRI AUG 29 2025 .REST OF TONIGHT...Northeast winds 5 to 10 knots in the late evening and early morning becoming light and variable. Clear. Waves 2 feet or less. .SATURDAY...Light and variable winds. Sunny. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds. Mostly clear. Waves 2 feet or less. .SUNDAY...Light and variable winds. Sunny. Waves nearly calm. .SUNDAY NIGHT...East winds 5 to 10 knots until early morning becoming light and variable. Clear. Waves nearly calm. .MONDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or less. .WEDNESDAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. $$ CB Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes