Great Lakes Forecast
Issued by NWS
Issued by NWS
439 FZUS63 KDTX 050200 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 1000 PM EDT Fri Sep 4 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 large area of high pressure anchored over Ontario will usher cooler, drier northeast flow to start this weekend. More tranquil conditions by Sunday into Monday as the high drifts overhead. LCZ460-051000- Lake St Clair- 1000 PM EDT Fri Sep 4 2026 .REST OF TONIGHT...Northeast winds 5 to 10 knots. Mostly cloudy. A chance of showers. Waves 2 feet or less. .SATURDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon...then increasing to 10 to 15 knots late in the afternoon. Partly sunny. A chance of showers early in the morning. Waves 2 feet or less. .SATURDAY NIGHT...North winds 15 to 20 knots becoming northeast 10 to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet. .SUNDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes