


Great Lakes Forecast
Issued by NWS
Issued by NWS
573 FZUS63 KDTX 261956 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 356 PM EDT Sat Apr 26 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 low pressure system exits into New England as high pressure builds into the Great Lakes to finish the weekend. The next low tracks through the area early next week with temperatures climbing well above normal and an opportunity for thunderstorms. LCZ460-270400- Lake St Clair- 356 PM EDT Sat Apr 26 2025 .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots veering to the northeast early in the afternoon...then becoming light and variable late in the afternoon. Sunny. Waves 2 feet or less. .SUNDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the afternoon...then becoming northwest 15 to 20 knots in the evening. Mostly cloudy with a chance of light rain in the morning...then partly cloudy with light rain likely in the afternoon and evening. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon...then subsiding to 1 to 3 feet in the evening. A Small Craft Advisory may be needed. .WEDNESDAY...East winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .THURSDAY...South winds 10 to 15 knots. Mostly cloudy with light rain likely. Waves 2 feet or less. $$ TF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes