Great Lakes Forecast
Issued by NWS
Issued by NWS
013 FZUS63 KDTX 060148 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 948 PM EDT Tue May 5 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...Light winds over the next several days as broad high pressure builds into the Ohio Valley and southern Great Lakes Thursday into Friday LCZ460-061000- Lake St Clair- 948 PM EDT Tue May 5 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots veering to the northwest after midnight. Mostly cloudy. A chance of light showers by midnight. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots backing to the west late in the afternoon. Partly sunny. Waves 2 feet or less. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. .THURSDAY...Northwest winds 5 to 10 knots backing to the west in the late morning and afternoon. Mostly sunny until late afternoon becoming mostly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots. Partly sunny in the morning becoming mostly cloudy. A chance of light showers in the afternoon and evening. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance of showers. Waves 2 feet or less. .SUNDAY...North winds 10 to 15 knots. Partly cloudy. Showers likely. Waves 2 feet or less. $$ MR Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes