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393
FZUS63 KDTX 181455
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
955 AM EST THU DEC 18 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...A WEAK SURFACE TROUGH...AVERAGING 30.20 INCHES...WILL
MOVE THROUGH THE CENTRAL GREAT LAKES...BRINGING SNOW SHOWERS TO THE
AREA BEFORE EXITING TODAY.  WINDS WILL GRADUALLY SLACKEN AS HIGH
PRESSURE...AVERAGING 30.30 INCHES...BUILDS OVER THE REGION AND HOLDS
THROUGH THE WEEKEND.

LCZ460-182115-
LAKE ST CLAIR-
955 AM EST THU DEC 18 2014

.REST OF TODAY...NORTHWEST WINDS 5 TO 10 KNOTS. CLOUDY. PATCHY LIGHT
FREEZING DRIZZLE LATE IN THE MORNING. SCATTERED FLURRIES LATE IN THE
MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO
10 KNOTS BY LATE EVENING...THEN BECOMING LIGHT AND VARIABLE LATE.
MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS. PARTLY CLOUDY. WAVES NEARLY
CALM.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES NEARLY
CALM.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.

$$

CB

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




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