Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 171444
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
938 AM EST TUE JAN 17 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...29.80 INCHES...WILL MOVE FROM
SOUTHWEST LOWER MICHIGAN THIS MORNING TO SOUTHERN LAKE HURON THIS
AFTERNOON. THE LOW WILL THEN MOVE INTO LAKE ONTARIO TONIGHT.
HIGH PRESSURE...30.20 INCHES...WILL EXPAND INTO THE OHIO VALLEY AND
SOUTHERN GREAT LAKES REGION ON WEDNESDAY AND WILL INFLUENCE THE
REGION INTO THURSDAY.

LCZ460-172100-
LAKE ST CLAIR-
938 AM EST TUE JAN 17 2017

.REST OF TODAY...EAST WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTHWEST
IN THE AFTERNOON...THEN BECOMING WEST 10 TO 15 KNOTS LATE. CLOUDY.
RAIN LIKELY LATE IN THE MORNING. WIDESPREAD FOG BY LATE MORNING.
.TONIGHT...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
BY LATE EVENING. CLOUDY. A CHANCE OF LIGHT RAIN MAINLY BEFORE
MIDNIGHT.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. PARTLY SUNNY...BECOMING MOSTLY SUNNY...BECOMING PARTLY
CLOUDY.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
RAIN AND SNOW.

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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