Great Lakes Forecast
Issued by NWS
Issued by NWS
090 FZUS63 KDTX 010303 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 1003 PM EST Sun Nov 30 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 over the central Great Lakes tonight through Monday. LCZ460-011115- Lake St Clair- 1003 PM EST Sun Nov 30 2025 .REST OF TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots early in the morning. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northwest winds 5 to 10 knots backing to the southwest in the afternoon. Mostly sunny in the morning becoming mostly cloudy. Waves 2 feet or less. .MONDAY NIGHT...South winds 5 to 10 knots early in the evening becoming light and variable...then becoming northeast 5 to 10 knots after midnight. Light snow likely until early morning.. then light snow after midnight. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots. Partly sunny. Waves 2 feet or less. .TUESDAY NIGHT...West winds 5 to 10 knots becoming southwest 15 to 20 knots. Partly cloudy until early morning becoming mostly cloudy. Waves 2 feet or less. .WEDNESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots in the afternoon and evening. Mostly cloudy. A chance of light snow in the evening. Waves 2 to 4 feet. .THURSDAY...West winds 20 to 25 knots. Partly cloudy. A chance of light snow. Waves 1 to 3 feet. .FRIDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance of light snow. Waves 1 to 3 feet. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes