Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 242043
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EST TUE FEB 24 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...LOW PRESSURE...29.30 INCHES...TRACKING INTO QUEBEC
TONIGHT WILL TRACK AN ARCTIC COLD FRONT THROUGH THE CENTRAL GREAT
LAKES. HIGH PRESSURE WILL THEN EXPAND INTO THE AREA FOR WEDNESDAY
AND THURSDAY...CRESTING OVER THE AREA THURSDAY NIGHT AT 30.50
INCHES.

LCZ460-250915-
LAKE ST CLAIR-
343 PM EST TUE FEB 24 2015

...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS WITH GUSTS TO 35 KNOT
GALES EARLY...BECOMING NORTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT.
LIGHT SNOW SHOWERS IN THE EVENING...THEN PARTLY CLOUDY WITH A
CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. MOSTLY SUNNY.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST
10 TO 15 KNOTS OVERNIGHT. PARTLY CLOUDY EARLY IN THE EVENING...
BECOMING MOSTLY CLOUDY OVERNIGHT. A CHANCE OF LIGHT SNOW SHOWERS BY
LATE EVENING.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS.
.THURSDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS MAINLY BEFORE MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT SNOW.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

SF

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



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