


Great Lakes Forecast
Issued by NWS
Issued by NWS
533 FZUS63 KDTX 140758 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 358 AM EDT Tue Oct 14 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 cold front exits the central Great Lakes this morning allowing winds to shift northwest. Expansive high pressure, 30.30 inches, will then build into the Great Lakes today through Wednesday and last through Thursday. LCZ460-141600- Lake St Clair- 358 AM EDT Tue Oct 14 2025 .TODAY...Light and variable winds becoming north 10 to 15 knots. Partly sunny. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots. Mostly clear until early morning becoming mostly cloudy. A chance of light showers early in the morning. Waves 2 feet or less. .WEDNESDAY...Northeast winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and early afternoon...then increasing to 10 to 15 knots early in the afternoon. Partly sunny. A chance of light showers until late afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots in the morning becoming light and variable. 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. .SATURDAY...Southwest winds 10 to 15 knots. Partly cloudy. Light showers likely. Waves 1 to 3 feet. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes