


Great Lakes Forecast
Issued by NWS
Issued by NWS
959 FZUS63 KDTX 080740 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 340 AM EDT Wed Oct 8 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, 30.50 inches, expands into the Great Lakes from the northwest today. This high will influence the region through Thursday. The next cold front arrives over the western Great Lakes Thursday night into early Friday. LCZ460-081545- Lake St Clair- 340 AM EDT Wed Oct 8 2025 .TODAY...North winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...North winds 15 to 20 knots becoming northeast 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots. Mostly sunny becoming partly cloudy. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance of light showers. Waves 2 feet or less. .SUNDAY...East 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