Great Lakes Forecast
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000
FZUS63 KDTX 182045
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EST WED JAN 18 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...HIGH PRESSURE...30.20 INCHES.. SITUATED OVER THE OHIO
VALLEY...WILL CONTINUE TO INFLUENCE THE GREAT LAKES REGION
THROUGHOUT BOTH WEDNESDAY AND THURSDAY. LOW PRESSURE...29.60
INCHES...WILL THEN PUSH OVER MICHIGAN BY FRIDAY MORNING...BRINGING
THE LIKELY CHANCE FOR RAIN SHOWERS. THROUGHOUT THE WEEKEND.. LOW
PRESSURE OVER THE NORTHERN CENTRAL PLAINS AND HIGH PRESSURE SITUATED
OVERTHE WESTERN ATLANTIC WILL SHIFT WINDS S/SE ON
SATURDAY...USHERING WARMER AIR INTO THE REGION.

LCZ460-190915-
LAKE ST CLAIR-
345 PM EST WED JAN 18 2017

.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. PARTLY SUNNY.
.THURSDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING...THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT SLEET AND LIGHT
FREEZING RAIN AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
RAIN AND FREEZING RAIN LATE.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. CLOUDY. FREEZING RAIN LIKELY EARLY.
RAIN LIKELY IN THE MORNING...THEN A CHANCE OF LIGHT RAIN BY
AFTERNOON.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS LATE. MOSTLY CLOUDY.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT RAIN IN THE EVENING.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF RAIN.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. CLOUDY WITH RAIN LIKELY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DRK

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


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