


Great Lakes Forecast
Issued by NWS
Issued by NWS
011 FZUS63 KDTX 251341 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 941 AM EDT Wed Jun 25 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...The cold front sags south of the state line this morning with high pressure, 30.20 inches, filling in over Lake Superior. Periods of showers and thunderstorms are expected to persist through the end of the week, but outside of this winds and waves remain below headline criteria. LCZ460-252145- Lake St Clair- 941 AM EDT Wed Jun 25 2025 .REST OF TODAY...Northeast winds 5 to 10 knots. Partly sunny. Scattered light showers late in the morning...then scattered light showers and a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots until early morning becoming light and variable. Partly cloudy. Scattered light showers in the evening. Waves 2 feet or less. .THURSDAY...Light and variable winds becoming southeast 5 to 10 knots in the late morning and afternoon. Partly sunny. A chance of light showers in the morning...then a chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms in the evening...then a chance of light showers after midnight. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon and evening. Partly sunny with a chance of light showers in the morning...then partly cloudy with light showers likely and a chance of thunderstorms in the afternoon and evening. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance of light showers. Waves 2 feet or less. .SUNDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes