Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 190253
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 PM 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.

LCZ460-190915-
LAKE ST CLAIR-
953 PM EST THU DEC 18 2014

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
PATCHY LIGHT FREEZING DRIZZLE THIS EVENING. SCATTERED FLURRIES THIS
EVENING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS MAINLY BEFORE MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS. PARTLY SUNNY. WAVES NEARLY
CALM.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
AFTER MIDNIGHT...BECOMING LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES
NEARLY CALM.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS BY
AFTERNOON. PARTLY CLOUDY. WAVES NEARLY CALM.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF LIGHT
RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.

$$

MR

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


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