757
FZUS63 KDTX 092042
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
342 PM EST Sun Nov 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...Low pressure passes from the Ohio Valley into New
England tonight with a trailing surface trough pivoting across
the southern Great Lakes. This system ushers in an arctic air
mass with gusty north to northwest flow and snow showers through
the early week. Gusty southwest flow follows on Tuesday as milder
air arrives, then the next arctic low drops into the northern
Great Lakes on Wednesday. There is a low probability for gales on
Tuesday and a moderate probability on Wednesday.

LCZ460-100500-
Lake St Clair-
342 PM EST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...North winds 20 to 25 knots diminishing to 15 to 20 knots
after midnight...then increasing to 20 to 25 knots early in the
morning. Light snow in the evening. Light snow likely after
midnight. Waves 1 to 3 feet.
.MONDAY...North winds 20 to 25 knots becoming northwest 15 to 20
knots in the afternoon. Mostly sunny. Light snow likely early in the
morning...then a chance of light snow late in the morning. A chance
of light snow late in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon.
.MONDAY NIGHT...West winds 15 to 20 knots. Partly cloudy with a
chance of light snow. Waves 1 to 3 feet.
.TUESDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the late morning and early afternoon...then becoming southwest 20
to 25 knots with gusts to 30 knots early in the afternoon. Partly
sunny. A chance of. Waves 1 to 3 feet building to 2 to 4 feet early
in the afternoon.
.TUESDAY NIGHT...Southwest winds to 30 knots diminishing to 20 to 25
knots after midnight. Mostly cloudy. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...West winds 20 to 25 knots. Gusts to 30 knots in the
afternoon. Mostly cloudy in the morning becoming partly cloudy.
Waves 2 to 4 feet.
.THURSDAY...West winds 20 to 25 knots. Mostly clear. Waves 1 to 3
feet.
.FRIDAY...East winds 10 to 15 knots. Partly cloudy. Waves 2 feet or
less.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes