Great Lakes Forecast
Issued by NWS

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120
FZUS63 KDTX 210244
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 PM EST FRI JAN 20 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...LOW PRESSURE...29.60...WILL INFLUENCE THE AREA THROUGH
THE WEEKEND. MONDAY...LOW PRESSURE...29.10 INCHES....WILL PUSH FROM
THE CAROLINAS INTO THE EASTERN HALF OF THE GREAT LAKES BY TUESDAY. A
THIRD AND WEAKER LOW PRESSURE SYSTEM...29.20 INCHES...WILL THEN PUSH
FROM THE CENTRAL PLAINS INTO THE GREAT LAKES REGION BY WEDNESDAY.

LCZ460-210900-
LAKE ST CLAIR-
944 PM EST FRI JAN 20 2017

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. AREAS OF FOG...THEN
WIDESPREAD FOG AND A CHANCE OF DRIZZLE.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. WIDESPREAD FOG EARLY. A
CHANCE OF DRIZZLE IN THE MORNING. CLOUDY WITH A CHANCE OF LIGHT
RAIN.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH
A CHANCE OF LIGHT RAIN.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF LIGHT RAIN
IN THE MORNING.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS BY LATE EVENING. CLOUDY. A CHANCE OF LIGHT RAIN AFTER
MIDNIGHT.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS BY EVENING. CLOUDY. A CHANCE OF LIGHT RAIN.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF RAIN AND SNOW.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES



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