Lake St. Clair Open Lake (U.S. Portion) Marine Forecast
Updated 3:44am EDT Aug 27, 2026
Synopsis
Moderate northwest winds in place through daytime Thursday following the passage of a cold front. High pressure, 30.20 inches, then expands over the central Great Lakes to close out the week.
Today
West winds 5 to 10 knots veering to the northwest late in the afternoon. Mostly sunny. Waves 2 feet or less.
Tonight
North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less.
Friday
North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less.
Friday Night
East winds 5 to 10 knots veering to the south after midnight. Mostly clear. Waves 2 feet or less.
Saturday
South winds 5 to 10 knots. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less.
Sunday
South winds 10 to 15 knots. Partly cloudy. A chance of showers. Waves 2 feet or less.
Monday
Southwest winds 5 to 10 knots. Partly cloudy. A chance of showers. Waves 2 feet or less.