Great Lakes Forecast
Issued by NWS
Issued by NWS
942 FZUS63 KDTX 102001 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 401 PM EDT Tue Mar 10 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...An elongated trough axis expands into the southern Great Lakes late today. A more active stretch of weather gets underway tonight into Wednesday as low pressure, 29.50 inches, lifts across Lower Michigan. Expect several rounds of showers and thunderstorms, including some strong to severe storms. All severe hazards will be possible. Gales are possible late this week. LCZ460-110415- Lake St Clair- 401 PM EDT Tue Mar 10 2026 .TONIGHT...Northeast winds 5 to 10 knots becoming southeast 10 to 15 knots early in the morning. Partly cloudy early in the evening. A chance of light rain late in the evening. A chance of thunderstorms in the late evening and overnight. Rain after midnight. Waves 2 feet or less. .WEDNESDAY...Southeast winds 10 to 15 knots veering to the southwest late in the morning...then becoming west 15 to 20 knots in the afternoon. Rain likely early in the morning. A chance of thunderstorms until late afternoon. Rain in the late morning and afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots with gusts to 30 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet. A Small Craft Advisory may be needed. .THURSDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming south 10 to 15 knots after midnight. Partly cloudy ...then mostly cloudy with a chance of light rain and snow after midnight. Waves 2 feet or less. .FRIDAY...South winds 20 to 25 knots veering to the southwest in the afternoon...then becoming west to 30 knots in the evening. Gusts to 35 knot gales. Mostly cloudy with light rain likely.. then mostly clear in the evening. Waves 2 to 4 feet. A Gale Warning may be needed. .SATURDAY...Southeast winds 20 to 25 knots with gusts to 30 knots. Partly cloudy. A chance of light snow. Waves 1 to 3 feet. .SUNDAY...Northwest winds to 30 knots with gusts to 35 knot gales. Light rain and snow. Waves 2 to 4 feet. Wave heights are for ice free areas. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes