108
FZUS63 KDTX 211426
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
926 AM EST Wed Jan 21 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...Active weather continues today with low pressure,
29.60 inches, moving from Lake Superior this afternoon to
northern Quebec by Thursday. This maintains modest wind speeds
and snowfall. Additional disturbances and even colder air arrives
later this week and over the weekend. Expect elevated
winds/waves, areas of freezing spray, and additional periods of
snowfall.

LCZ460-212230-
Lake St Clair-
926 AM EST Wed Jan 21 2026

.REST OF TODAY...Southwest winds 15 to 20 knots. Snow in the late
morning and early afternoon...then a chance of light snow late in
the afternoon.
.TONIGHT...Southwest winds 10 to 15 knots. Partly cloudy this
evening becoming mostly cloudy. A chance of light snow early in the
evening.
.THURSDAY...West winds 15 to 20 knots. Gusts to 30 knots until late
afternoon. Partly sunny.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late evening and overnight. Partly cloudy.
.FRIDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots in
the evening. Partly cloudy then clearing.
.SATURDAY...East winds 5 to 10 knots. Partly cloudy.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy with a chance of
light snow.

Waves omitted due to ice coverage.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes