FZUS63 KDTX 040152 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 952 PM EDT Sun May 3 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...Southwest winds continue through today with localized elevated winds found within the Saginaw Bay. A cold front moves through tonight into tomorrow morning which veers wind direction from southwest to northwest. LCZ460-041000- Lake St Clair- 952 PM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT MONDAY... .REST OF TONIGHT...Southwest winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots becoming south 15 to 20 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy. A chance of light showers. Waves 1 to 3 feet. .TUESDAY...West winds 10 to 15 knots veering to the northwest early in the afternoon. Light showers likely until late afternoon...then showers early in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...North winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Showers early in the evening...then light showers likely by midnight. A chance of light showers after midnight. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots backing to the northwest in the evening. Partly sunny becoming mostly cloudy. Waves 2 feet or less. .THURSDAY...West winds 5 to 10 knots. Partly cloudy. A chance of showers. Waves 2 feet or less. .FRIDAY...West winds 10 to 15 knots. Partly cloudy. A chance of showers. 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