Great Lakes Forecast
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FZUS63 KDTX 190243
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
943 PM EST Tue Dec 18 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...High pressure, 30.30 inches, will move across the
eastern Great Lakes this evening, expanding into the east coast by
Wednesday. Low pressure, 29.60 inches, will slowly move across
northern Ontario Wednesday into Thursday, driving a slow moving
cold front into the western Great Lakes. This front will stall
over the region by Friday as a deepening low pressure system
lifts from the Gulf Coastal region northward across the eastern
US.

LCZ460-190915-
Lake St Clair-
943 PM EST Tue Dec 18 2018

.REST OF TONIGHT...South winds 5 to 10 knots increasing to 10 to 15
knots after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots increasing to 10 to 15
knots in the late evening and early morning...then diminishing to 5
to 10 knots early in the morning. Mostly clear until early morning
becoming mostly cloudy. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots. Cloudy with a chance of light
rain. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds becoming north 5 to 10
knots after midnight. Light rain likely until early morning.. then
light rain early in the morning. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots. Cloudy. Light rain likely
until late afternoon. Light snow likely in the late morning and
early afternoon...then a chance of light rain early in the evening.
Waves 2 feet or less.
.SATURDAY...West winds 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.
.SUNDAY...West winds 5 to 10 knots. Mostly cloudy. Waves 2 feet or
less.

$$

DG

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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