Great Lakes Forecast
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FZUS63 KDTX 201459
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
959 AM EST Sun Jan 20 2019

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..30.70 inches, will build into the
Central Great Lakes through Monday. The next low pressure system
will come out of the Central Plain on Tuesday and track into the
Western Great Lakes Tuesday Night at 29.60 inches.

LCZ460-202115-
Lake St Clair-
959 AM EST Sun Jan 20 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.TODAY...North winds to 30 knots becoming northwest 20 to 25 knots
with gusts to 30 knots in the late morning and afternoon. Partly
sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.TONIGHT...Northwest winds 20 to 25 knots diminishing to 15 to 20
knots after midnight. Clear. Waves 1 to 3 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 5 to 10
knots. Mostly sunny. Waves 2 feet or less.
.MONDAY NIGHT...Southwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming south 5 to 10 knots
after midnight increasing to 10 to 15 knots. Mostly clear until
early morning becoming mostly cloudy. Waves 2 feet or less.
.TUESDAY...South winds 10 to 15 knots. Mostly cloudy becoming partly
sunny in the late morning and afternoon. Light snow and a chance of
light sleet early in the evening. Light snow...light rain and a
chance of light sleet late in the evening. Waves 2 feet or less.
.WEDNESDAY...West winds 10 to 15 knots. Rain...a chance of light
sleet and light snow. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots. Mostly cloudy with a chance
of snow. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

JVC

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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