Great Lakes Forecast
Issued by NWS
Issued by NWS
469 FZUS63 KDTX 050150 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 950 PM EDT Sat Apr 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...Departing low pressure ushers in a cooler air mass on gusty westerly wind today with gales forecast across northern Lake Huron. A weak clipper system tracks through Monday into early Tuesday, followed by high pressure Tuesday night. The next low organizes over the upper Midwest Wednesday, sending a cold front through on Thursday. LCZ460-051000- Lake St Clair- 950 PM EDT Sat Apr 4 2026 .REST OF TONIGHT...West winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Mostly cloudy. A chance of light rain this evening. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Partly cloudy. A chance of light rain after midnight. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots increasing to 15 to 20 knots. Partly sunny. A chance of light rain early in the morning. Light rain likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...North winds 15 to 20 knots diminishing to 5 to 10 knots in the afternoon...then veering to the southeast in the evening. Partly sunny becoming mostly sunny in the afternoon becoming clear. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...West winds 20 to 25 knots with gusts to 30 knots. Partly cloudy. A chance of light rain. Waves 2 to 4 feet. A Small Craft Advisory may be needed. $$ DRK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes