Great Lakes Forecast
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FZUS63 KDTX 251355
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
955 AM EDT Tue Sep 25 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, 29.40 inches, organizing over the
Midwest today will track northeast from Lake Michigan this evening
into Ontario tonight. A moist and milder environment downstream
of this system will maintain a risk for showers and isolated
thunderstorms, particularly from late afternoon into the evening
hours. The attendant cold front will then cross through the
central Great Lakes early Wednesday morning. High pressure, 30.15
inches, builds into the region during the midweek period.

LCZ460-252015-
Lake St Clair-
955 AM EDT Tue Sep 25 2018

.REST OF TODAY...South winds 5 to 10 knots increasing to 10 to 15
knots late in the afternoon. Cloudy with showers likely and a
chance of thunderstorms. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to 20
knots after midnight. Showers and a chance of thunderstorms. Waves 2
feet or less.
.WEDNESDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon. Mostly cloudy with a chance of showers and
thunderstorms early in the morning...then partly sunny in the late
morning and afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming light and
variable. Mostly clear. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon...then diminishing to 5 to 10 knots in the
evening. Mostly clear becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...West winds 5 to 10 knots. Partly cloudy. Waves 2 feet or
less.
.SATURDAY...Northwest winds 5 to 10 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.

$$

BT

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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