Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 110851
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 AM EST SUN DEC 11 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...LOW PRESSURE WILL QUICKLY LIFT FROM THE CENTRAL PLAINS
TO THE NORTHERN GREAT LAKES BY TONIGHT...DEEPENING TO 29.70 INCHES.
THE PASSAGE OF THIS SYSTEM WILL PULL A COLD FRONT ACROSS THE AREA
EARLY MONDAY MORNING...WITH A REINFORCING SHOT OF COLD AIR ON
TUESDAY USHERING IN AN ARCTIC AIRMASS AND A PROLONGED PERIOD OF
GUSTY WINDS.

LCZ460-112100-
LAKE ST CLAIR-
342 AM EST SUN DEC 11 2016

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS.
LIGHT SNOW. SNOW MAY BE HEAVY AT TIMES IN THE AFTERNOON. WAVES 1 TO
3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS BY LATE EVENING. SNOW IN THE EVENING...THEN A CHANCE OF
LIGHT SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY IN THE MORNING...
BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO
3 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS. PARTLY 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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