Great Lakes Forecast
Issued by NWS
Issued by NWS
223 FZUS63 KDTX 251344 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 944 AM EDT Thu Jun 25 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...Low pressure, 29.80 inches will move across Lower Michigan today. A high pressure, 30.10 inches, will develop over the region throughout the weekend, bringing calm winds and fair weather. LCZ460-252145- Lake St Clair- 944 AM EDT Thu Jun 25 2026 .REST OF TODAY...Southwest winds 10 to 15 knots. Partly sunny. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...West winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots veering to the southeast early in the afternoon. Mostly cloudy. Waves 2 feet or less. .FRIDAY NIGHT...East winds 5 to 10 knots backing to the northeast after midnight. Mostly cloudy becoming partly cloudy. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots. Partly sunny in the morning becoming mostly clear. Waves 2 feet or less. .SUNDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ MANN Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes