Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 211950
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 PM EDT SAT MAR 21 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 FROM CENTRAL
CANADA INTO LOWER MICHIGAN TONIGHT AND SUNDAY. THIS HIGH WILL THEN
SLOWLY MOVE ACROSS THE EASTERN GREAT LAKES MONDAY INTO TUESDAY.

LCZ460-220815-
LAKE ST CLAIR-
350 PM EDT SAT MAR 21 2015

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS AFTER
MIDNIGHT...DIMINISHING TO 5 TO 10 KNOTS LATE. MOSTLY CLEAR.
.SUNDAY...NORTHWEST WINDS 5 TO 10 KNOTS. PARTLY SUNNY.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS LATE. PARTLY CLOUDY.
.MONDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY...THEN PARTLY
CLOUDY WITH A CHANCE OF LIGHT RAIN AND SNOW SHOWERS THROUGH
MIDNIGHT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE
OF LIGHT RAIN AND SNOW SHOWERS.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

MR

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



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