Great Lakes Forecast
Issued by NWS
Issued by NWS
894 FZUS63 KDTX 050711 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 311 AM EDT Sun Apr 5 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. LCZ460-051515- Lake St Clair- 311 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Partly cloudy becoming mostly cloudy. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Partly sunny. A chance of light showers early in the morning. Light showers likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy becoming mostly cloudy. Light showers likely early in the evening. 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. Mostly clear in the morning then clearing. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Southwest winds 20 to 25 knots. Partly cloudy. A chance of light rain. 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