Great Lakes Forecast
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FZUS63 KDTX 220229
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
929 PM 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 eastern
Ohio tonight. This high will continue eastward to the Mid-
Atlantic coast by Tuesday. Low pressure, 29.60 inches, is
forecast to lift into the western Great Lakes from the southern
Plains Tuesday night; then across Lake Huron Wednesday morning
before lifting into southern Quebec Wed evening. Weak high
pressure will advance into the region in its wake. An arctic cold
front is then forecast to advance across the region Thursday
night.

LCZ460-220915-
Lake St Clair-
929 PM EST Mon Jan 21 2019

.REST OF TONIGHT...Southwest winds 5 to 10 knots becoming south 10
to 15 knots after midnight. Partly cloudy.
.TUESDAY...South winds 15 to 20 knots. 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
freezing rain and light sleet. Rain in the late evening and
overnight.
.WEDNESDAY...Southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon. Light rain until late afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy until early morning becoming
partly cloudy.
.THURSDAY...West winds 10 to 15 knots. Mostly cloudy becoming partly
sunny in the late morning and early afternoon becoming mostly
cloudy. A chance of snow in the evening.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy.
.SATURDAY...Southwest winds 10 to 15 knots. Mostly cloudy with a
chance of snow.

Waves omitted due to ice coverage.

$$

AA

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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