Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 042057 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
353 PM EST SUN DEC 4 2016

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 TROUGH OF LOW PRESSURE...AVERAGING 29.90 INCHES...WILL
SWEEP THROUGH THE GREAT LAKES THIS EVENING AND TONIGHT. HIGH
PRESSURE...AVERAGING 30.10 INCHES...THEN BUILDS UP THROUGH THE OHIO
VALLEY ON MONDAY AND SHIFTS EASTWARD TO THE MID ATLANTIC MONDAY
NIGHT.

LCZ460-050900-
LAKE ST CLAIR-
353 PM EST SUN DEC 4 2016

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...VEERING TO THE WEST AFTER
MIDNIGHT. RAIN AND LIGHT SNOW IN THE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY AFTERNOON. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTHEAST
AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE. PARTLY
CLOUDY MAINLY BEFORE MIDNIGHT...BECOMING MOSTLY CLOUDY OVERNIGHT.
WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS BY AFTERNOON. CLOUDY. A CHANCE OF LIGHT SNOW EARLY. A
CHANCE OF LIGHT RAIN IN THE MORNING...THEN RAIN LIKELY BY AFTERNOON.
WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY LATE EVENING. CLOUDY EARLY IN THE EVENING...BECOMING
PARTLY CLOUDY OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY AFTERNOON. PARTLY SUNNY THROUGH MID AFTERNOON...BECOMING
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF SNOW. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO
3 FEET.

$$

HLO

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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


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