


Great Lakes Forecast
Issued by NWS
Issued by NWS
186 FZUS63 KDTX 081939 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 339 PM 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 on Wednesday. This high will influence the region through Thursday. The next cold front arrives over the western Great Lakes Thursday night into early Friday. LCZ460-090345- Lake St Clair- 339 PM EDT Wed Oct 8 2025 .TONIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Mostly clear. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less. .THURSDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to 15 knots after midnight. Partly cloudy with a chance of light showers. Waves 2 feet or less. .SATURDAY...South winds 5 to 10 knots backing to the southeast in the evening. Partly cloudy. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .MONDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes