Great Lakes Forecast
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FZUS63 KDTX 211458
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
958 AM EST Mon Jan 21 2019

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, 30.70 inches, will settle into the Ohio
Valley today. This high will drift east to be located over the
east coast by Tuesday. Low pressure, 29.60 inches, is forecast to
lift into the northern Great Lakes from the southern Plains
Tuesday night; then across Lake Huron Wednesday morning before
lifting into southern Quebec Wed afternoon. Weak high pressure
will advance into the region in its wake. An arctic cold front is
then forecast to advance across Lake Huron Thursday night.

LCZ460-212100-
Lake St Clair-
958 AM EST Mon Jan 21 2019

.REST OF TODAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly sunny.
.TONIGHT...Light and variable winds becoming south 5 to 10 knots in
the late evening and overnight. Mostly clear until early morning
becoming mostly cloudy.
.TUESDAY...Southeast winds 10 to 15 knots becoming south 15 to 20
knots in the late morning and afternoon. Mostly cloudy.
.TUESDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to 15
knots early in the morning. Light snow in the evening. A chance of
light sleet late in the evening. Rain in the late evening and
overnight.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to 15
knots in the afternoon...then diminishing to 5 to 10 knots in the
evening. Cloudy. Light rain early in the morning...then light rain
likely in the late morning and early afternoon.
.THURSDAY...West winds 10 to 15 knots. Mostly cloudy with a chance
of snow.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy with a chance of
snow.

Waves omitted due to ice coverage.

$$

IRL

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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