Great Lakes Forecast
Issued by NWS
Issued by NWS
300 FZUS63 KDTX 150142 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 942 PM 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, 30.20 inches, currently centered over northern Lake Huron will dominate the region through Saturday while sliding southeast through the eastern Lakes. The next low pressure system will pass through the region on Saturday night bringing the next thunderstorm chances. LCZ460-150945- Lake St Clair- 942 PM EDT Fri Aug 14 2026 .REST OF TONIGHT...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots early in the morning becoming light and variable...then becoming southeast 5 to 10 knots in the afternoon. Partly sunny in the morning becoming mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy. Showers likely. A chance of thunderstorms early in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Light showers likely and a chance of thunderstorms early in the evening. Waves 2 feet or less. .MONDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the afternoon...then veering to the northeast in the evening. Mostly sunny becoming clear. Waves 2 feet or less. .TUESDAY...Southwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...Northwest winds 10 to 15 knots. Partly cloudy. Showers likely and a chance of thunderstorms. Waves 2 feet or less. $$ JA Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes