Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 221436
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
936 AM EST THU JAN 22 2015

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 OF 30.50 INCHES WILL BUILD INTO THE OHIO
VALLEY TODAY. A COLD FRONT WILL THEN APPROACH ON FRIDAY...MOVING
THROUGH SATURDAY MORNING...WITH A SECONDARY COLD FRONT...29.60
INCHES...SINKING SOUTH SATURDAY NIGHT.

LCZ460-222115-
LAKE ST CLAIR-
936 AM EST THU JAN 22 2015

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS. MOSTLY CLOUDY. FLURRIES LATE IN THE MORNING.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. PARTLY SUNNY.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY MAINLY BEFORE MIDNIGHT...
BECOMING MOSTLY CLOUDY OVERNIGHT.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF LIGHT SNOW
SHOWERS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT SNOW SHOWERS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DRK

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



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