Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 192049
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 PM EST FRI DEC 19 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 BUILDS INTO THE REGION
TONIGHT AND WILL PERSIST OVER THE GREAT LAKES THROUGH THE WEEKEND.
THE HIGH WILL GRADUALLY SHIFT EAST THROUGH THE CENTRAL AND EASTERN
GREAT LAKES BY SUNDAY EVENING AS A SHORTWAVE TROUGH TRACKS ACROSS
THE NORTHERN GREAT LAKES EARLY MONDAY MORNING.

LCZ460-200915-
LAKE ST CLAIR-
349 PM EST FRI DEC 19 2014

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

$$

RK

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



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