Great Lakes Forecast
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856
FZUS63 KDTX 181348
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
948 AM EDT Mon Sep 18 2017

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, 30.20 inches, will move from western
Upper Michigan this morning into eastern Quebec late tonight. This
high will drive a cold front into the Ohio Valley today. This
frontal boundary, 29.90 inches, will slowly weaken on Tuesday as it
stalls over the Ohio Valley. High pressure will expand across the
eastern Great Lakes on Wednesday where it will persist through the
end of the week.

LCZ460-182015-
Lake St Clair-
948 AM EDT Mon Sep 18 2017

.REST OF TODAY...North winds 5 to 10 knots. Cloudy in the late
morning and early afternoon becoming partly sunny. Scattered light
showers late in the morning. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.TUESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Mostly cloudy. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming southeast 5 to 10
knots in the afternoon and evening. Partly sunny becoming mostly
sunny until early evening becoming clear. Waves 2 feet or less.
.THURSDAY...Light and variable winds. Mostly clear. Waves 2 feet or
less.
.FRIDAY...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.

$$

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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