


Great Lakes Forecast
Issued by NWS
Issued by NWS
337 FZUS63 KDTX 130750 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 350 AM EDT Mon Oct 13 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...A ridge of high pressure, 30.10 inches, holds over the central Great Lakes today. A cold front then moves west to east across the central Great Lakes tonight and Tuesday followed by high pressure for midweek. LCZ460-131600- Lake St Clair- 350 AM EDT Mon Oct 13 2025 .TODAY...East winds 5 to 10 knots in the morning becoming light and variable. Sunny. Waves 2 feet or less. .TONIGHT...Light and variable winds. Mostly clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming north 10 to 15 knots. Partly sunny. Waves 2 feet or less. .TUESDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. A chance of light rain late. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots. Partly sunny with a chance of light showers in the morning...then mostly clear in the afternoon and evening. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots. Partly cloudy. A chance of light showers. Waves 2 feet or less. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes