Great Lakes Forecast
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FZUS63 KDTX 222038
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
338 PM EST Thu Feb 22 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, 30.80 inches, will migrate from the
northern Great Lakes eastward to New England tonight. Low pressure
of 30.00 inches will then track through the northern Great Lakes
Friday before another high pressure, 30.30 inches, builds back in
from the west on Saturday. Yet another low pressure, around 29.00
inches, will lift northeast into the Great Lakes on Sunday.

LCZ460-230915-
Lake St Clair-
338 PM EST Thu Feb 22 2018

.TONIGHT...East winds 5 to 10 knots. Partly cloudy this evening
becoming cloudy. A chance of light freezing rain early in the
morning.
.FRIDAY...Southeast winds 5 to 10 knots veering to the southwest in
the afternoon. A chance of light freezing rain early in the morning.
Light showers in the morning...then a chance of light showers early
in the afternoon.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy until
early morning becoming partly cloudy.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Cloudy. A chance of light showers in
the afternoon. A chance of light snow showers late in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Light showers.
.SUNDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
becoming west 10 to 15 knots in the evening. Partly sunny with light
showers early in the morning...then mostly sunny with a chance of
light showers in the late morning and early afternoon. Clear in the
evening. A Small Craft Advisory may be needed.
.MONDAY...Southwest winds 10 to 15 knots. Clear.
.TUESDAY...Southwest winds 5 to 10 knots. Mostly clear.

Waves omitted due to ice coverage.

$$

SF

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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