Great Lakes Forecast
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302
FZUS63 KDTX 230738
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
338 AM EDT Wed Aug 23 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...Moderate northwest wind will continue through early
afternoon as low pressure, 29.20 inches, exits the James Bay
region while high pressure, 30.10 inches, moves into the western
Great Lakes. A secondary front will slide through Lake Huron and
lower Michigan tonight and early Thursday to reinforce cold air and
waterspout potential over the water. High pressure will then move
eastward and settle over marine areas Friday through the weekend.

LCZ460-232015-
Lake St Clair-
338 AM EDT Wed Aug 23 2017

.TODAY...West winds 5 to 10 knots becoming northwest 10 to 15 knots
in the late morning and afternoon. Partly sunny. A chance of
waterspouts. Waves 2 feet or less.
.TONIGHT...North winds 10 to 15 knots diminishing to 5 to 10 knots
in the late evening and early morning...then increasing to 10 to 15
knots early in the morning. Partly cloudy. A chance of waterspouts.
Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots becoming northwest 5 to 10
knots in the late morning and early afternoon...then becoming north
10 to 15 knots late in the afternoon. Partly sunny. A chance of
waterspouts. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly clear. A chance of waterspouts early in
the evening. Waves 2 feet or less.
.FRIDAY...Northeast winds 5 to 10 knots. Sunny becoming mostly sunny
in the afternoon and evening becoming clear. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.SUNDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less.

$$

SP

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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