Great Lakes Forecast
Issued by NWS
Issued by NWS
643 FZUS63 KDTX 192032 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 332 PM EST Mon Jan 19 2026 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...Active weather stretch continues this week with several additional disturbances working through the central Great Lakes. This results in very cold conditions, elevated winds/waves, areas of heavy freezing spray, and periods of snowfall throughout the week. LCZ460-200445- Lake St Clair- 332 PM EST Mon Jan 19 2026 ...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .TONIGHT...West winds 15 to 20 knots with gusts to 35 knot gales this evening, then becoming southwest 10 to 15 knots after midnight. Partly cloudy with a chance of light snow showers ...then mostly cloudy early in the morning. .TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming south 15 to 20 knots after midnight. Partly cloudy ...then mostly cloudy with a chance of light snow after midnight. .WEDNESDAY...Southwest winds 15 to 20 knots. Light snow until late afternoon...then a chance of light snow early in the afternoon. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. .THURSDAY...West winds 15 to 20 knots. Partly sunny becoming mostly cloudy. .FRIDAY...West winds 15 to 20 knots. Partly cloudy. .SATURDAY...Northwest winds 5 to 10 knots. Partly cloudy. Waves omitted due to ice coverage. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes