Great Lakes Forecast
Issued by NWS

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902
FZUS63 KDTX 100155
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
955 PM EDT Sat Aug 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...Southerly wind holds as cold front washes out over the
Central Great Lakes. A second stronger cold front will pass
through early next, bringing showers and thunderstorms along with
a cooler airmass for the mid week period.

LCZ460-101000-
Lake St Clair-
955 PM EDT Sat Aug 9 2025

.REST OF TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Mostly clear. Waves 2 feet or less.
.SUNDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves 2
feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. Mostly sunny in the
morning...then partly cloudy with a chance of showers and
thunderstorms in the afternoon and evening. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.

$$

BT

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

Graphical marine forecasts are available at weather.gov/greatlakes