Great Lakes Forecast
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384
FZUS63 KDTX 180150 RRA
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
950 PM EDT TUE APR 17 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...Pressure averaging 29.80 Tuesday afternoon inches will
gradually increase to 29.90 inches by Wednesday morning as a weak
high pressure settles in across the Great Lakes. A second low
pressure system averaging 29.60 inches will then center across
southern Michigan into the Ohio valley by late Wednesday, bringing
another round of rain, snow, and gusty conditions. Pressure is
expected to be on the rise Thursday and into the weekend as a broad
surface high pressure system expand across the Midwest.

LCZ460-180800-
Lake St Clair-
950 PM EDT TUE APR 17 2018

.REST OF TONIGHT...West winds 10 to 15 knots. Mostly cloudy. Waves 2
feet or less.
.WEDNESDAY...West winds 5 to 10 knots in the morning becoming light
and variable. Mostly cloudy. A chance of light rain late in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north 15
to 20 knots in the late evening and early morning...then diminishing
to 10 to 15 knots early in the morning. A chance of light snow in
the evening. Light rain. Light snow likely after midnight. Waves 2
feet or less.
.THURSDAY...Northwest winds 15 to 20 knots. Cloudy. Light snow
likely early in the morning...then a chance of light snow in the
late morning and early afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy
early in the evening becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots becoming north 5 to 10
knots in the evening. Mostly sunny becoming clear. Waves 2 feet or
less.
.SATURDAY...Light and variable winds. Mostly clear. Waves 2 feet or
less.
.SUNDAY...Light and variable winds. Mostly clear. Waves nearly calm.

$$

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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