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547
FZUS63 KDTX 091939
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
339 PM EDT Thu Oct 9 2025

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...High pressure, 30.60 inches, centered over southern
Ontario will continue to influence the region through late this
evening. Weakening low pressure, averaging 29.90 inches, then
drops through the central Great Lakes late Friday into Saturday.

LCZ460-100345-
Lake St Clair-
339 PM EDT Thu Oct 9 2025

.TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. Mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy early
in the evening becoming mostly cloudy. A chance of light showers.
Waves 2 feet or less.
.SATURDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon...then veering to the north
early in the afternoon. Partly sunny. A chance of light showers.
Waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy. A
chance of light showers. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon and evening. Partly sunny in the morning becoming
mostly clear. Waves 2 feet or less.
.MONDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes