


Great Lakes Forecast
Issued by NWS
Issued by NWS
732 FZUS63 KDTX 291347 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 947 AM 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, 30.10 inches, will fill in through the day, settling over the Great Lakes by this evening. High pressure will then hold through the weekend, promoting more tranquil conditions. LCZ460-292200- Lake St Clair- 947 AM EDT Fri Aug 29 2025 .REST OF TODAY...North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots becoming light and variable. Mostly clear. Waves 2 feet or less. .SATURDAY...Light and variable winds. Sunny. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming east 5 to 10 knots in the evening. Clear. Waves nearly calm. .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. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes