Great Lakes Forecast
Issued by NWS
Issued by NWS
194 FZUS63 KDTX 081958 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 358 PM EDT Thu Oct 8 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...Low pressure over Quebec departs on Friday as high pressure builds in from the west. Winds will decrease and shift southerly once the center of the high builds into the Ohio Valley. Rain-free conditions expected until the remnants of Hurricane Isaias arrive Saturday night or Sunday, along with increasing wind speeds. LCZ460-090400- Lake St Clair- 358 PM EDT Thu Oct 8 2026 .TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Clear. Waves 2 feet or less. .FRIDAY...West winds 5 to 10 knots backing to the south in the afternoon. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...South winds 5 to 10 knots becoming southeast 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots by midnight...then diminishing to 10 to 15 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. .SUNDAY...Southeast winds 10 to 15 knots becoming east 5 to 10 knots in the evening. Mostly cloudy. Light rain likely. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .TUESDAY...North winds 15 to 20 knots. Partly cloudy. A chance of light rain. Waves 1 to 3 feet. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes