Great Lakes Forecast
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924
FZUS63 KDTX 120839
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
339 AM EST Wed Nov 12 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...Increasing southwest winds today ahead of a cold
front, which tracks through the Great Lakes. Brief, localized
gusts to gales are possible today over the open waters of Lake
Huron.

LCZ460-121645-
Lake St Clair-
339 AM EST Wed Nov 12 2025

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

.TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots in
the late morning and early afternoon...then increasing to 20 to 25
knots with gusts to 30 knots late in the afternoon. Mostly cloudy.
Waves 1 to 3 feet.
.TONIGHT...West winds 20 to 25 knots diminishing to 15 to 20 knots
after midnight. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots
in the late morning and afternoon. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly clear. Waves 2 feet or less.
.FRIDAY...West winds 5 to 10 knots backing to the east in the
evening. Partly cloudy in the morning then clearing. Waves 2 feet or
less.
.SATURDAY...Southwest winds 20 to 25 knots. Partly cloudy. Light
rain likely. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 30 knots.
Partly cloudy. Light rain likely. Waves 2 to 4 feet. A Small Craft
Advisory may be needed.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes