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FZUS63 KDTX 262041
GLFSC
Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
341 PM EST Wed Nov 26 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, 29.30 inches, will hold over eastern
Upper Michigan and the straits region today. Cold air and a
strong compact wind field associated with this low will support
gales and expanding snow shower activity across the region. The
low will exit to the northeast of Georgian Bay tonight into
Thursday. Strong winds and cold air circulating around the system
will sustain gales and snow showers through Thursday. High
pressure, 30.40 inches, will expand across the western and
southern Great Lakes region Friday into Saturday. Deepening low
pressure is then forecast to lift across the region from the
southwest Saturday night and Sunday, bringing widespread snow
with a chance for gusty winds in the wake of the system Sunday
night.
LCZ460-270445-
Lake St Clair-
341 PM EST Wed Nov 26 2025
...GALE WARNING IN EFFECT THROUGH LATE THURSDAY NIGHT...
.TONIGHT...West at 40 knot gales with gusts to 45 knot gales. Mostly
cloudy. Light snow likely until early morning...then a chance of
light snow early in the morning. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.THURSDAY...West at 35 knot gales diminishing to 30 knots in the
afternoon. Mostly cloudy. A chance of light snow early in the
morning. A chance of light snow in the afternoon. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.THURSDAY NIGHT...West at 35 knot gales diminishing to 30 knots
after midnight. Mostly cloudy until early morning becoming partly
cloudy. A chance of light snow until early morning. Waves 3 to 5
feet. Waves occasionally around 7 feet.
.FRIDAY...West winds to 30 knots diminishing to 15 to 20 knots.
Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet early in
the afternoon.
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Mostly clear. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon...then becoming southeast 20 to 25 knots in
the evening. Partly sunny in the morning. A chance of light snow in
the afternoon. Light snow in the evening. Waves 2 feet or less.
.SUNDAY...West winds 20 to 25 knots. Light rain and snow. Waves 2 to
4 feet.
.MONDAY...West winds 15 to 20 knots. Partly cloudy. Waves 2 feet or
less.
$$
KDK
Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc
Graphical marine forecasts are available at weather.gov/greatlakes
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