


Great Lakes Forecast
Issued by NWS
Issued by NWS
811 FZUS63 KDTX 301357 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 957 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 favorable wind and wave conditions. LCZ460-302200- Lake St Clair- 957 AM EDT Sat Aug 30 2025 .REST OF TODAY...Light and variable winds. Sunny. Waves nearly calm. .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. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes