Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 111446
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 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-
945 AM EST SUN DEC 11 2016

.REST OF 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...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 15 TO
20 KNOTS. CLOUDY. WAVES 1 TO 3 FEET.
.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.

$$

MANN

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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