


Great Lakes Forecast
Issued by NWS
Issued by NWS
492 FZUS63 KDTX 140748 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 348 AM EDT Mon Jul 14 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...High pressure, 30.00 inches, holds over the Great Lakes through Tuesday. The next chance for active weather returns by the midweek period as a pre-frontal trough and cold front move over the region. LCZ460-141600- Lake St Clair- 348 AM EDT Mon Jul 14 2025 .TODAY...North winds 5 to 10 knots in the morning becoming light and variable. Sunny. Waves 2 feet or less. .TONIGHT...Light and variable winds. Clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming southeast 5 to 10 knots in the late morning and afternoon. Sunny. Waves 2 feet or less. .TUESDAY NIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...South winds 5 to 10 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...North winds 10 to 15 knots. Partly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY...North winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes