Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 281434
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
934 AM EST WED JAN 28 2015

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 AT 30.30 INCHES WILL BUILD ACROSS THE
GREAT LAKES THROUGH THIS MORNING. THE NEXT BROAD AREA OF LOW
PRESSURE WILL DEVELOP OVER THE MIDWEST WEDNESDAY NIGHT AND MOVE
THROUGH LOWER MICHIGAN AND LAKE HURON THURSDAY. NORTHWEST WIND WILL
INCREASE STRONGLY THURSDAY NIGHT AS THE SYSTEM EXITS INTO CANADA
WITH GALES POSSIBLE THROUGH FRIDAY MORNING.

LCZ460-282115-
LAKE ST CLAIR-
934 AM EST WED JAN 28 2015

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS LATE. PARTLY SUNNY.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 15 TO
20 KNOTS OVERNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW LATE.
.THURSDAY...SOUTHEAST WINDS 15 TO 20 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE IN THE MORNING...THEN VEERING TO THE SOUTHWEST IN THE
AFTERNOON...BECOMING NORTHWEST 5 TO 10 KNOTS LATE. LIGHT FREEZING
RAIN EARLY. LIGHT SNOW. LIGHT RAIN BY LATE MORNING.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20
TO 25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH
A CHANCE OF LIGHT SNOW IN THE EVENING...THEN PARTLY CLOUDY AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE BY
EVENING. PARTLY SUNNY...BECOMING MOSTLY SUNNY...BECOMING PARTLY
CLOUDY.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. CLOUDY WITH LIGHT SNOW
LIKELY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

SC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


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