Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 231349
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
949 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-
949 AM EDT THU APR 23 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. SCATTERED FLURRIES
LATE IN THE MORNING. 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.

$$

SF

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


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