Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
121
FZUS63 KDTX 230227
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
927 PM EST Thu Jan 22 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...An arctic airmass expands across the Great Lakes
through today, bringing elevated winds/waves, freezing spray, and
additional periods of snowfall including snow squalls. High
pressure, 30.80 inches, expands across the Great Lakes late
tonight into Saturday, which will bring lighter winds to the
region.

LCZ460-231030-
Lake St Clair-
927 PM EST Thu Jan 22 2026

.REST OF TONIGHT...Southwest winds 10 to 15 knots becoming west 15
to 20 knots after midnight. Mostly cloudy with a chance of light
snow showers by midnight...then partly cloudy early in the morning.
.FRIDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots
late in the afternoon. Partly sunny.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to 10
knots in the late evening and overnight. Clear.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Partly sunny.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Mostly cloudy with a chance of light snow.
.SUNDAY...Northeast winds 10 to 15 knots. Mostly cloudy. A chance of
light snow in the morning...then light snow likely in the afternoon
and evening.
.MONDAY...West winds 10 to 15 knots. Partly cloudy.
.TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy.

Waves omitted due to ice coverage.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes