Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 211951
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 PM EDT SAT MAY 21 2016

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...A HIGH PRESSURE CENTER AVERAGING 30.10 INCHES WILL DRIFT
FROM THE UPPER MISSISSIPPI VALLEY THIS EVENING TO THE WESTERN GREAT
LAKES BY SUNDAY AND MONDAY. THIS HIGH WILL DRIFT TOWARD THE MID-
ATLANTIC REGION TUESDAY AND WEDNESDAY WHILE LOW PRESSURE ORGANIZES
OVER THE GREAT PLAINS.

LCZ460-220815-
LAKE ST CLAIR-
351 PM EDT SAT MAY 21 2016

.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY THIS EVENING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTH 5 TO 10 KNOTS
LATE. PARTLY CLOUDY. WAVES NEARLY CALM.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY THROUGH EARLY
AFTERNOON...THEN CLEARING. WAVES NEARLY CALM.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. CLEAR. WAVES NEARLY CALM.
.MONDAY...LIGHT AND VARIABLE WINDS. SUNNY. WAVES NEARLY CALM.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. CLEAR. WAVES NEARLY CALM.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. SUNNY THROUGH MID
AFTERNOON...BECOMING MOSTLY CLEAR. WAVES NEARLY CALM.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES NEARLY CALM.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. SHOWERS
AND THUNDERSTORMS LIKELY. WAVES NEARLY CALM.

$$

JVC

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



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