Great Lakes Forecast
Issued by NWS
Issued by NWS
851 FZUS63 KDTX 140744 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 344 AM EDT Fri Aug 14 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...High pressure, 30.00 inches, will dominate the region through Saturday. The next low pressure system will pass through the region on Saturday night bringing the next thunderstorm chances. LCZ460-141545- Lake St Clair- 344 AM EDT Fri Aug 14 2026 .TODAY...Northeast winds 5 to 10 knots. Partly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots veering to the southeast early in the afternoon. Partly sunny. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. A chance of light showers ...then light showers likely after midnight. Waves 2 feet or less. .SUNDAY...West winds 10 to 15 knots veering to the northwest in the evening. Mostly cloudy with light showers likely in the morning...then partly cloudy with light showers likely and a chance of thunderstorms in the afternoon and evening. Waves 2 feet or less. .MONDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...Southwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. $$ SF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes