Great Lakes Forecast
Issued by NWS
Issued by NWS
454 FZUS63 KDTX 220221 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 1001 PM EDT TUE MAY 21 2024 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 strengthening low pressure system will reach western Lake Superior around 29.10 inches this morning. This system will force a cold front through the eastern lakes this afternoon and evening. High pressure then builds in for Thursday and Friday. LCZ460-220800- Lake St Clair- 1001 PM EDT TUE MAY 21 2024 .REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .WEDNESDAY...Southwest winds 10 to 15 knots. Partly sunny with a chance of showers and thunderstorms. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 10 knots backing to the south early in the afternoon. Sunny. Waves 2 feet or less. .THURSDAY NIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots becoming southeast 10 to 15 knots in the evening. Mostly sunny in the morning...then a chance of light showers in the afternoon. Partly cloudy with a chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SATURDAY...West winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...East winds 10 to 15 knots. Partly cloudy. A chance of showers. 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