Great Lakes Forecast
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FZUS63 KDTX 190134
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
931 PM EDT WED APR 18 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 averaging 29.60 inches will push
northeast  from southern Indiana into Pennsylvania Wednesday
afternoon through Thursday morning. Gusty northwesterly flow between
20 - 25 knots, isolated 30 knots, is expected Thursday afternoon as
a pressure  gradient tightens across the lakes. Pressure will then
gradually be on the rise as a broad surface high pressure system
starts to move east into the Midwest. Pressure is expected to
average 30.20 inches by Thursday afternoon and will increase to
30.40 inches by Friday afternoon. High pressure will reside across
the Great Lakes region through the weekend.

LCZ460-190800-
Lake St Clair-
931 PM EDT WED APR 18 2018

.REST OF TONIGHT...North winds 15 to 20 knots. Cloudy. A chance of
light snow this evening. Light rain likely. Light snow likely after
midnight. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots. Partly sunny. Waves 1 to
3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon. Sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots in the evening
becoming light and variable. Clear. Waves 2 feet or less.
.SATURDAY...Light and variable winds. Mostly sunny becoming partly
sunny early in the afternoon becoming mostly clear. Waves nearly
calm.
.SUNDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.MONDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.

$$

DG

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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