


Great Lakes Forecast
Issued by NWS
Issued by NWS
133 FZUS63 KDTX 111346 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 946 AM EDT Sat Oct 11 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...Weak low pressure, 30.00 inches, gradually slides into the eastern Great Lakes today. A ridge of high pressure, 30.10 inches, then follows from tonight through Monday. LCZ460-112200- Lake St Clair- 946 AM EDT Sat Oct 11 2025 .REST OF TODAY...North winds 5 to 10 knots. Partly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15 knots early in the morning. Mostly clear. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .SUNDAY NIGHT...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots. Mostly clear. 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