Great Lakes Forecast
Issued by NWS
Issued by NWS
291 FZUS63 KDTX 231959 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 359 PM EDT Fri Oct 23 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, 30.50 inches, over Quebec migrates south into New England to close out the week, sustaining an extended period of tranquil and mainly dry conditions into next week. LCZ460-240400- Lake St Clair- 359 PM EDT Fri Oct 23 2026 .TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots late in the evening...then increasing to 10 to 15 knots after midnight diminishing to 5 to 10 knots early in the morning. Mostly clear. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots in the morning becoming light and variable. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 2 feet or less. .SUNDAY...South winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .MONDAY...Northwest winds 5 to 10 knots veering to the north in the afternoon...then becoming northeast 10 to 15 knots in the evening. Partly cloudy. Waves 2 feet or less. .TUESDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .WEDNESDAY...South winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes