Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 200839
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 AM EST SAT DEC 20 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...HIGH PRESSURE OF 30.30 INCHES WILL BUILD INTO THE
REGION TODAY AND THEN PERSIST THROUGH THE WEEKEND. THE HIGH WILL
THEN SHIFT EAST INTO THE EASTERN GREAT LAKES SUNDAY NIGHT WITH A
TROUGH OF LOW PRESSURE TRACKING ACROSS THE NORTHERN GREAT LAKES BY
MONDAY MORNING.

LCZ460-202115-
LAKE ST CLAIR-
339 AM EST SAT DEC 20 2014

.TODAY...LIGHT AND VARIABLE WINDS. MOSTLY CLOUDY. WAVES NEARLY CALM.
.TONIGHT...LIGHT AND VARIABLE WINDS. CLOUDY. WAVES NEARLY CALM.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS.
MOSTLY CLOUDY. WAVES NEARLY CALM.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY...
BECOMING MOSTLY CLOUDY BY LATE EVENING...BECOMING PARTLY CLOUDY
OVERNIGHT. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY EARLY...
BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS IN THE EVENING.
WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SHOWERS. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. SHOWERS WITH LIGHT
SNOW SHOWERS LIKELY. WAVES 2 FEET OR LESS.

$$

DG

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


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