625
FZUS63 KDTX 040845
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
345 AM EST Tue Nov 4 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...A ridge of high pressure, 30.20 inches, will build
into the region this morning, bringing a brief period of lighter
winds by the afternoon. The next low pressure system, 29.70
inches, then tracks into the Central Great Lakes tomorrow, where
another round of brief gales will be possible.

LCZ460-041645-
Lake St Clair-
345 AM EST Tue Nov 4 2025

.TODAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or
less.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to 25
knots. Partly cloudy this evening becoming mostly cloudy. Waves 1 to
3 feet building to 2 to 4 feet early in the morning.
.WEDNESDAY...Southwest winds 20 to 25 knots diminishing to 15 to 20
knots in the late morning and early afternoon...then becoming
northwest 20 to 25 knots with gusts to 30 knots early in the
afternoon. Mostly cloudy. A chance of light rain in the late morning
and afternoon. Waves 2 to 4 feet. A Small Craft Advisory may be
needed.
.WEDNESDAY NIGHT...Northwest winds 20 to 25 knots diminishing to 10
to 15 knots after midnight. Clear. Waves 2 to 4 feet subsiding to 1
to 3 feet in the late evening and overnight.
.THURSDAY...Northwest winds 10 to 15 knots becoming southwest 5 to
10 knots in the afternoon...then becoming south 15 to 20 knots in
the evening. Sunny becoming mostly sunny in the afternoon becoming
partly cloudy. Waves 2 feet or less.
.FRIDAY...West winds to 30 knots. Light rain. Waves 2 to 4 feet.
.SATURDAY...East winds 15 to 20 knots. Mostly cloudy. A chance of
light rain. Waves 1 to 3 feet.

$$

CB

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

Graphical marine forecasts are available at weather.gov/greatlakes