


Great Lakes Forecast
Issued by NWS
Issued by NWS
745 FZUS63 KDTX 150148 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 948 PM EDT Sun Sep 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, 30.40 inches, will continue to hold over the eastern Great Lakes through at least the middle of the week. The position of this high will maintain some degree of a light easterly component to surface winds for several days and will sustain dry weather. LCZ460-151000- Lake St Clair- 948 PM EDT Sun Sep 14 2025 .REST OF TONIGHT...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...Light and variable winds becoming southeast 5 to 10 knots in the evening. Clear. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...Northeast winds 15 to 20 knots. Mostly clear. 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