Great Lakes Forecast
Issued by NWS
Issued by NWS
588 FZUS63 KDTX 240240 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 940 PM EST Sun Nov 23 2025 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...Lighter winds around the rest of this evening and tonight as a ridge of high pressure, 30.20 inches, has arrived. Light to moderate southerly flow on Monday. Next low pressure system arrives on Tuesday, leading to occasional rain. Gales are then likely to develop in Wednesday-Thursday time frame. LCZ460-241045- Lake St Clair- 940 PM EST Sun Nov 23 2025 .REST OF TONIGHT...West winds 5 to 10 knots in the late evening and early morning becoming light and variable. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Partly sunny. Waves 2 feet or less. .MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Cloudy. A chance of light rain after midnight. Waves 2 feet or less. .TUESDAY...South winds 5 to 10 knots. Cloudy with a chance of light rain. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 5 to 10 knots increasing to 15 to 20 knots after midnight. Mostly cloudy with a chance of light rain. Waves 2 feet or less. .WEDNESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west at 35 knot gales with gusts to 40 knot gales in the afternoon and evening. Mostly cloudy. A chance of light rain. A chance of light snow in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet. A Gale Warning may be needed. .THURSDAY...West at 35 knot gales with gusts to 40 knot gales. Partly cloudy. A chance of light snow. Waves 3 to 5 feet. Waves occasionally around 7 feet. .FRIDAY...West at 35 knot gales. Partly cloudy. Waves 2 to 4 feet. $$ MR Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes