FZUS63 KDTX 260733 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 333 AM EDT Tue May 26 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...A cold front slowly sags south across Lake Huron this evening before passing through Lake Erie Wednesday. High pressure, 30.30 inches, builds back in from the north the rest of the week. LCZ460-261545- Lake St Clair- 333 AM EDT Tue May 26 2026 .TODAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Partly sunny. Areas of fog in the morning. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots veering to the southwest after midnight...then becoming light and variable early in the morning. Mostly cloudy becoming partly cloudy after midnight becoming mostly cloudy. Waves 2 feet or less. .WEDNESDAY...Light and variable winds becoming northeast 5 to 10 knots early in the afternoon. Partly sunny. Waves 2 feet or less. .WEDNESDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon and evening. Clear. Waves 1 to 3 feet. .FRIDAY...North winds 10 to 15 knots. Clear. Waves 2 feet or less. .SATURDAY...Northeast winds 15 to 20 knots. 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