


Great Lakes Forecast
Issued by NWS
Issued by NWS
051 FZUS63 KDTX 281938 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 338 PM EDT Thu Aug 28 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, 30.10 inches, will fill in tomorrow in the wake of a cold front, settling over the Great Lakes by later tomorrow evening. High pressure will then sustain through the weekend over the region. LCZ460-290345- Lake St Clair- 338 PM EDT Thu Aug 28 2025 .TONIGHT...North winds 10 to 15 knots. Mostly clear. A chance of showers and thunderstorms early in the evening. A chance of waterspouts early in the evening. Waves 2 feet or less. .FRIDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Partly sunny. Waves 2 feet or less. .FRIDAY NIGHT...North winds 5 to 10 knots. Partly cloudy early in the evening then clearing. Waves 2 feet or less. .SATURDAY...Light and variable winds. Sunny. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots early in the evening becoming light and variable. Mostly clear. Waves nearly calm. .SUNDAY...Light and variable winds. Clear. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ AM Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes