Great Lakes Forecast
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747
FZUS63 KDTX 190849
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
349 AM EST Mon Feb 19 2018

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 of 29.90 inches will weaken as it tracks
near Lake Superior this morning, drawing a warm front north to near
Saginaw Bay by this evening. A second low pressure system averaging
29.70 inches will then push from eastern Iowa into central Michigan
from tonight into Tuesday, pushing this front further north. As this
low passes to the east, a trailing cold front will then drop through
the area Tuesday night into Wednesday. High pressure will then build
into the region through the middle of the week.

LCZ460-192115-
Lake St Clair-
349 AM EST Mon Feb 19 2018

.TODAY...South winds 5 to 10 knots. Showers.
.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to 20
knots early in the morning. Light showers. Areas of dense fog.
.TUESDAY...Southwest winds 10 to 15 knots becoming south 15 to 20
knots in the late morning and afternoon. Areas of dense fog early in
the morning. Showers and a chance of thunderstorms.
.TUESDAY NIGHT...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the late evening and overnight. Showers and a chance of
thunderstorms.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10
knots in the evening. Partly sunny late in the afternoon becoming
mostly cloudy becoming partly cloudy late in the evening. A chance
of thunderstorms early in the morning. Rain showers until late
afternoon.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy.
.FRIDAY...North winds 5 to 10 knots. Mostly cloudy. A chance of rain
and snow showers.

Waves omitted due to ice coverage.

$$

DRK

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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