


Great Lakes Forecast
Issued by NWS
Issued by NWS
166 FZUS63 KDTX 130156 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 956 PM EDT Sun Oct 12 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...A ridge of high pressure, 30.10 inches, holds over the central Great Lakes through Monday. A cold front pivots through the area Tuesday before broad high pressure then builds in for midweek. LCZ460-131000- Lake St Clair- 956 PM EDT Sun Oct 12 2025 .REST OF TONIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots in the morning becoming light and variable. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Light and variable winds. Clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming north 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots. Partly sunny becoming mostly sunny in the afternoon becoming clear. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. $$ CB Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes