Great Lakes Forecast
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181
FZUS63 KDTX 221506
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1006 AM EST Tue Jan 22 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...Low pressure, 29.70 inches, will lift from the
southern plains this morning to northern Illinois by Wednesday
morning, deepening to 29.60 inches. The low will traverse Lake
Huron Wednesday afternoon, deepening to 29.30 inches as it lifts
northeast of Georgian Bay Wednesday night. An arctic cold front
will advance across the region late Thursday into Thursday night.
Strong high pressure will then build to the west of the region on
Friday, while a surface trough holds across the Great Lakes
region.

LCZ460-222100-
Lake St Clair-
1006 AM EST Tue Jan 22 2019

.REST OF TODAY...South winds 15 to 20 knots diminishing to 10 to 15
knots late in the afternoon. Partly sunny.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots
in the late evening and early morning...then 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 diminishing to 10 to 15
knots in the afternoon. Light rain in the morning.
.WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Mostly cloudy until early morning
becoming partly cloudy.
.THURSDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon and evening. Mostly cloudy becoming partly sunny late
in the morning becoming mostly cloudy.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy with a chance of
snow.
.SATURDAY...South winds 5 to 10 knots. Partly cloudy. 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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