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621
FZUS63 KDTX 301439
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
939 AM EST Sun Nov 30 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, 29.70 inches, will lift northeast over
central Lake Huron Sunday morning before departing for Ontario by
afternoon. A period of northwest gales behind the low is expected
over much of Lake Huron late in the afternoon and early evening
hours. A gale warning is in effect for much of Lake Huron during
this time.

LCZ460-302245-
Lake St Clair-
939 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots late in the afternoon. Gusts to 30 knots. Mostly cloudy. 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
late in the afternoon.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 10 to 15 knots. Partly cloudy early in the evening
then clearing. Waves 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots backing to the southwest early in
the afternoon. Partly sunny. Waves 2 feet or less.
.MONDAY NIGHT...Light and variable winds becoming southwest 5 to 10
knots. Light snow likely until early morning...then light snow after
midnight. Waves 2 feet or less.
.TUESDAY...Northwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 20 to 25 knots. Mostly cloudy with a
chance of light snow. Waves 2 to 4 feet.
.THURSDAY...West winds 20 to 25 knots. Partly cloudy. A chance of
light snow. Waves 1 to 3 feet.

$$

JA

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

Graphical marine forecasts are available at weather.gov/greatlakes