Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 250841
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 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-
341 AM EST THU DEC 25 2014

.TODAY...WEST WINDS 15 TO 20 KNOTS...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. WAVES 2
FEET OR LESS.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

RBP

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


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