Great Lakes Forecast
Issued by NWS
Issued by NWS
909 FZUS63 KDTX 230137 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 937 PM EDT Sun Sep 22 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 weak low pressure system, 29.80 inches, will wash out across Lake Erie this morning. A second low pressure system, 29.70 inches, will then move through the central Great Lakes Tuesday afternoon into Wednesday morning, bringing another round of showers and possibly some thunderstorms. LCZ460-230945- Lake St Clair- 937 PM EDT Sun Sep 22 2024 .REST OF TONIGHT...South winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight...then backing to the north early in the morning. Showers this evening...then showers likely after midnight. Waves 2 feet or less. .MONDAY...North winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .MONDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly cloudy. Scattered light showers after midnight. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots veering to the southeast in the late morning and afternoon. Cloudy. A chance of light showers in the morning...then showers likely and a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...Southeast winds 5 to 10 knots veering to the west after midnight. Mostly cloudy. Light showers likely and a chance of thunderstorms in the evening. Waves 2 feet or less. .WEDNESDAY...West winds 5 to 10 knots. Mostly cloudy in the morning becoming partly cloudy. Waves 2 feet or less. .THURSDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...Northeast winds 15 to 20 knots. Partly cloudy. Waves 2 feet or less. $$ AM Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes