Great Lakes Forecast
Issued by NWS
Issued by NWS
216 FZUS63 KDTX 250150 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 950 PM EDT Fri Jul 24 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...High pressure, 30.10 inches, drifts to the mid Atlantic coast tonight and Saturday. This leads to winds organizing light and generally from the south between the high pressure and the next low pressure system in the Plains states. The low brings increasing chance for thunderstorms late Saturday night through Monday. Wind shifts modestly toward the north after passage of the associated cold front by Tuesday. LCZ460-251000- Lake St Clair- 950 PM EDT Fri Jul 24 2026 .REST OF TONIGHT...South winds 5 to 10 knots this evening becoming light and variable. Mostly clear. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...South winds 5 to 10 knots veering to the southwest after midnight. Mostly clear. A chance of. Waves 2 feet or less. .SUNDAY...West winds 5 to 10 knots backing to the southwest early in the afternoon. Mostly sunny. A chance of light showers until late afternoon...then a chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. Light showers likely and a chance of thunderstorms ...then a chance of light showers after midnight. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon and evening. Partly sunny becoming mostly sunny in the afternoon becoming partly cloudy. A chance of light showers. A chance of thunderstorms in the afternoon and evening. Showers likely in the evening. Waves 2 feet or less. .TUESDAY...North winds 10 to 15 knots. Partly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes