


Great Lakes Forecast
Issued by NWS
Issued by NWS
089 FZUS63 KDTX 220159 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 959 PM EDT Sat Jun 21 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...A strong high pressure ridge maintains dry weather through the rest of the weekend into early next week. This supports southwest flow with periods of gusts above 25 knots. Shower and thunderstorm chances return mid-week as a front settles into the area. LCZ460-221000- Lake St Clair- 959 PM EDT Sat Jun 21 2025 .REST OF TONIGHT...Southwest winds 10 to 15 knots. Clear. Waves 1 to 3 feet. .SUNDAY...Southwest winds 10 to 15 knots. Sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Clear. Waves 2 feet or less. .TUESDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots in the afternoon...then veering to the north in the evening. Mostly sunny in the morning...then partly cloudy with a chance of showers and thunderstorms in the afternoon and evening. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots. Partly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. $$ CB Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes