499
FZUS63 KDTX 060144
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
944 PM EDT Sat Sep 5 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...Favorable marine conditions are forecast through the
rest of the weekend as high pressure settles over the central
Great Lakes. A low pressure system arrives Tuesday night into
Wednesday with associated fronts leading to rising thunderstorm
chances.

LCZ460-060945-
Lake St Clair-
944 PM EDT Sat Sep 5 2026

.REST OF TONIGHT...North winds 15 to 20 knots becoming northeast 10
to 15 knots after midnight. Clear. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and afternoon. Mostly sunny. Waves 2 feet
or less.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly clear. Waves 2
feet or less.
.MONDAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...Southeast winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon and evening. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY...West winds 20 to 25 knots with gusts to 30 knots.
Partly cloudy. Waves 2 to 4 feet. A Small Craft Advisory may be
needed.
.THURSDAY...North winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.

$$

MANN

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

Graphical marine forecasts are available at weather.gov/greatlakes