


Great Lakes Forecast
Issued by NWS
Issued by NWS
728 FZUS63 KDTX 031917 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 317 PM EDT Fri Oct 3 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...Western periphery of high pressure, 30.10 inches, holds over the Great Lakes today bringing continuation of dry conditions and light winds. A slight increase in wind speeds are expected this weekend, with a cold front bringing the next chance for active weather on Monday. LCZ460-040330- Lake St Clair- 317 PM EDT Fri Oct 3 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming south 5 to 10 knots in the late morning and afternoon. Sunny. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Clear. Waves 2 feet or less. .SUNDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon and evening. Clear. Waves 2 feet or less. .MONDAY...South winds 10 to 15 knots. Mostly clear. A chance of light showers. Waves 2 feet or less. .TUESDAY...North winds 10 to 15 knots. Partly cloudy. Light showers likely. 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