340
FZUS63 KDTX 151345
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
945 AM EDT Wed Jul 15 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...A mainly dry cold front will drop south through the
Central Great Lakes tonight and Wednesday. Weak high pressure
follows for Thursday before the next low pressure system moves in
for the late week and early weekend time frame.

LCZ460-152145-
Lake St Clair-
945 AM EDT Wed Jul 15 2026

.REST OF TODAY...Light and variable winds becoming northeast 5 to 10
knots in the afternoon. Partly sunny. Smoke late in the afternoon.
Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15
knots late in the evening...then diminishing to 5 to 10 knots after
midnight. Partly cloudy. Smoke. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots. Mostly sunny. Smoke early in
the morning. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the east
after midnight. Mostly clear. Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots. Partly 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...North winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...Southeast winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

SS

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes