


Great Lakes Forecast
Issued by NWS
Issued by NWS
528 FZUS63 KDTX 300749 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 349 AM EDT Sat Aug 30 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. LCZ460-301600- Lake St Clair- 349 AM EDT Sat Aug 30 2025 .TODAY...Light and variable winds. Sunny. Waves 2 feet or less. .TONIGHT...Light and variable winds. Mostly clear. Waves nearly calm. .SUNDAY...Light and variable winds. Sunny. Waves nearly calm. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots. Partly cloudy. Showers likely. 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