Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 251436
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
936 AM EST THU DEC 25 2014

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...28.90 INCHES...WILL MOVE FROM EASTERN
ONTARIO INTO QUEBEC BY THIS AFTERNOON. HIGH PRESSURE WILL EXPAND
ACROSS THE OHIO VALLEY TODAY. WEAK LOW PRESSURE...29.70 INCHES...IS
FORECAST TO DEVELOP OVER THE GREAT LAKES ON SATURDAY...DRIVING A
COLD FRONT ACROSS THE AREA SATURDAY NIGHT AS THE LOW LIFTS INTO
EASTERN CANADA.

LCZ460-252115-
LAKE ST CLAIR-
936 AM EST THU DEC 25 2014

.REST OF TODAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY LATE MORNING...THEN BECOMING SOUTHWEST 10 TO 15 KNOTS
LATE. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. PATCHY
DRIZZLE AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS BY AFTERNOON. PATCHY DRIZZLE IN THE MORNING. CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

JVC

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



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