Great Lakes Forecast
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FZUS63 KDTX 250831
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
331 AM EST Sat Nov 25 2017

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...Gusty northwest winds are occuring behind the cold front
that is passing through Michigan early this morning. The low
pressure system, 29.10 inches, that dragged the front southward will
exit east of James Bay by the early morning. Winds will begin to
weaken overnight tonight as a high pressure system, 30.00 inches,
moves into the region. Lake Huron will see increased winds again on
Sunday afternoon as a weak low pressure system, 29.70 inches,
increases the pressure gradient as it moves across southern Ontario.

LCZ460-252115-
Lake St Clair-
331 AM EST Sat Nov 25 2017

.TODAY...West winds 5 to 10 knots becoming northwest 10 to 15 knots
in the afternoon. Mostly cloudy. A chance of light showers late in
the afternoon. Waves 2 feet or less.
.TONIGHT...Northwest winds 15 to 20 knots. Mostly cloudy until early
morning becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots
late in the morning...then becoming southwest 10 to 15 knots early
in the afternoon increasing to 15 to 20 knots late in the afternoon.
Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. Partly cloudy. Waves 2 feet or less.
.MONDAY...West winds 5 to 10 knots backing to the south in the
afternoon...then increasing to 10 to 15 knots in the evening. Mostly
sunny becoming mostly clear. Waves 2 feet or less.
.TUESDAY...West winds 15 to 20 knots. Mostly clear. Waves 1 to 3
feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

SC

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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