Great Lakes Forecast
Issued by NWS
Issued by NWS
583 FZUS63 KDTX 300721 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 321 AM EDT Sun Aug 30 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...The Great Lakes are located in between the exiting high pressure system, 30.30 inches, centered over the Mid Atlantic coast and low pressure, 29.70 inches, developing over the Dakotas. Active pattern returns late today into Monday as a warm front lifts through the area bringing showers and storms. LCZ460-301530- Lake St Clair- 321 AM EDT Sun Aug 30 2026 .TODAY...South winds 5 to 10 knots. Mostly cloudy. Showers likely in the late morning and afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the southwest early in the morning. Mostly cloudy. Showers likely early in the evening...then a chance of thunderstorms late in the evening. A chance of light showers in the late evening and overnight. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots. Mostly cloudy. A chance of light showers early in the morning. Waves 2 feet or less. .MONDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .TUESDAY...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. $$ AA Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes