Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 091444
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 AM EST MON JAN 9 2017

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...HIGH PRESSURE...30.80 INCHES...WILL CONTINUE TO BUILD
INTO REGION THIS AFTERNOON AND INTO THE EVENING.  THIS HIGH WILL
SLIDE EAST OVERNIGHT AS A TROUGH OF LOW PRESSURE...30.30
INCHES...BEGINS TO TRACK INTO THE NORTHERN GREAT LAKES ON MONDAY.

LCZ460-092100-
LAKE ST CLAIR-
943 AM EST MON JAN 9 2017

.REST OF TODAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING SOUTH
10 TO 15 KNOTS LATE. MOSTLY CLOUDY.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS
AFTER MIDNIGHT. LIGHT SNOW LIKELY LATE IN THE EVENING. SNOW AFTER
MIDNIGHT.
.TUESDAY...SOUTH WINDS 20 TO 25 KNOTS. GUSTS TO 35 KNOT GALES. LIGHT
SNOW...RAIN...FREEZING RAIN AND LIGHT SLEET IN THE MORNING...THEN
RAIN BY AFTERNOON. A GALE WARNING MAY BE NEEDED.
.TUESDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
35 KNOT GALES...DIMINISHING TO 10 TO 15 KNOTS OVERNIGHT. CLOUDY WITH
A CHANCE OF LIGHT RAIN IN THE EVENING...THEN PARTLY CLOUDY AFTER
MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY IN THE
MORNING...BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN IN THE
EVENING.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH RAIN
LIKELY AND A CHANCE OF SNOW.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

MR

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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