758
FZUS63 KDTX 220141
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
941 PM EDT Wed Oct 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...A weak and dry cold front will track through the
central Great Lakes tonight. Another large high pressure, 30.40
inches, then builds over the area Thursday and Friday.

LCZ460-221000-
Lake St Clair-
941 PM EDT Wed Oct 21 2026

.REST OF TONIGHT...Light and variable winds. Mostly clear. Waves
nearly calm.
.THURSDAY...North winds 5 to 10 knots in the morning becoming light
and variable...then becoming north 5 to 10 knots late in the
afternoon. Mostly sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Patchy fog after midnight.
Waves 2 feet or less.
.FRIDAY...East winds 5 to 10 knots. Mostly sunny. Patchy fog early
in the morning. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming east 5 to 10
knots in the late evening and overnight. Clear. Waves 2 feet or
less.
.SATURDAY...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.SUNDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes