Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 301458
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 AM EST FRI JAN 30 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...30.40 INCHES...WILL BUILD ACROSS
THE CENTRAL GREAT LAKES THROUGH TONIGHT.  LOW PRESSURE OF 30.10
INCHES WILL THEN MOVE EAST ACROSS CENTRAL ONTARIO SATURDAY AND
SATURDAY NIGHT.  STRONGER LOW PRESSURE WILL MOVE THROUGH THE
SOUTHERN OHIO VALLEY ON SUNDAY.

LCZ460-302115-
LAKE ST CLAIR-
958 AM EST FRI JAN 30 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS LATE. PARTLY SUNNY.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING...BECOMING
LIGHT AND VARIABLE...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY MAINLY BEFORE MIDNIGHT...BECOMING MOSTLY
CLOUDY OVERNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS LATE.
MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTH AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE.
MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS
BY AFTERNOON. LIGHT SNOW...THEN A CHANCE OF LIGHT SNOW BY EVENING.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT SNOW SHOWERS.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DT

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



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