Great Lakes Forecast
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FZUS63 KDTX 202044
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
344 PM EST Mon Jan 20 2020

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...High pressure averaging 30.80 inches across the
Midwest to drift southeast across the Ohio Valley by Tuesday
evening, weakening down to 30.50 inches along the way. Prevailing
northeast flow will back to the west-southwest through Wednesday
in response to the advancing high pressure system. High pressure
to then depart and expand across the eastern coast later in the
week which will allow a weak warm front to push north across the
Great Lakes.

LCZ460-202145-
Lake St Clair-
344 PM EST Mon Jan 20 2020

.TODAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots
in the afternoon. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Northwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.TUESDAY...West winds 5 to 10 knots. Partly sunny. Waves 2 feet or
less.
.TUESDAY NIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and overnight. Mostly clear. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly sunny becoming
mostly cloudy. Waves 2 feet or less.
.THURSDAY...South winds 10 to 15 knots. Cloudy. Waves 2 feet or
less.
.FRIDAY...East winds 10 to 15 knots. Cloudy with a chance of rain
and snow. Waves 2 feet or less.

$$

AM

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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