Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 230742
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 AM EDT THU APR 23 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...LOW PRESSURE...AVERAGING 29.50 INCHES...IS DISSIPATING
OVER JAMES BAY THIS MORNING. HIGH PRESSURE...AVERAGING 30.10
INCHES...WILL BUILD INTO THE UPPER MIDWEST TODAY.

LCZ460-232015-
LAKE ST CLAIR-
342 AM EDT THU APR 23 2015

.TODAY...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THROUGH MIDNIGHT...THEN
CLEARING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON...THEN BACKING TO THE NORTH THROUGH MIDNIGHT.
PARTLY SUNNY...BECOMING MOSTLY CLOUDY BY LATE MORNING...BECOMING
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

JVC

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



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