291
FZUS63 KDTX 180154
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
954 PM EDT Fri Oct 17 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...Low pressure, 29.20 inches, rapidly develops along a
cold front over the mid-Mississippi and moves over lower Michigan
Sunday, bringing the chance for a few southerly gales late Sunday
morning with higher probabilities for northwesterly gales over
most of Lake Huron by Sunday evening. A Gale Watch is in effect
late Sunday afternoon through Sunday night.

LCZ460-181000-
Lake St Clair-
954 PM EDT Fri Oct 17 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly cloudy. Waves
2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Partly sunny. A chance of
light showers early in the afternoon. Light showers likely late in
the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Showers. A chance of thunderstorms in the late
evening and early morning. Waves 1 to 3 feet.
.SUNDAY...South winds 15 to 20 knots with gusts to 30 knots becoming
southwest 20 to 25 knots with gusts to 30 knots early in the
afternoon. Showers. Waves 2 to 4 feet. A Small Craft Advisory may be
needed.
.SUNDAY NIGHT...West winds 20 to 25 knots. Gusts to 30 knots until
early morning. Showers early in the evening...then partly cloudy
with a chance of light showers in the late evening and early
morning. Mostly clear after midnight. Waves 2 to 4 feet.
.MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots in
the afternoon...then becoming south 20 to 25 knots in the evening.
Sunny...then mostly clear with a chance of light showers in the
evening. Waves 1 to 3 feet.
.TUESDAY...West winds to 30 knots with gusts to 35 knot gales.
Partly cloudy. Light showers likely. Waves 2 to 4 feet.  A Gale
Warning may be needed.
.WEDNESDAY...West winds to 30 knots. Partly cloudy. A chance of
light showers. Waves 2 to 4 feet.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes