Great Lakes Forecast
Issued by NWS
Issued by NWS
137 FZUS63 KDTX 050855 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 355 AM EST Thu Mar 5 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...Weak low pressure, 30.00 inches, lifts into the far southern Great Lakes Thursday. A stronger low, 29.50 inches, then moves into the northern Great Lakes late Friday, with a cold front passing through on Saturday. LCZ460-051700- Lake St Clair- 355 AM EST Thu Mar 5 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING... .TODAY...Northeast winds 5 to 10 knots. Areas of dense fog in the morning. A chance of light rain in the morning...then rain in the afternoon. .TONIGHT...Northeast winds 5 to 10 knots becoming light and variable. Mostly cloudy. Light rain likely early in the evening. .FRIDAY...Southeast winds 5 to 10 knots. Mostly cloudy. .FRIDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. A chance of light rain. .SATURDAY...Southwest winds 20 to 25 knots becoming west 15 to 20 knots in the evening. Light rain. .SUNDAY...Southwest winds 15 to 20 knots. Mostly clear. .MONDAY...Southwest winds 15 to 20 knots. Clear. Waves omitted due to ice coverage. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes