Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 171935
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
331 PM EDT THU APR 17 2014

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...WEAKENING LOW PRESSURE...AVERAGING 30.20 INCHES...WILL
TRACK ACROSS MICHIGAN AND LIFT NORTH OF LAKE HURON TONIGHT. THIS
WILL PULL A COLD FRONT ACROSS THE CENTRAL GREAT LAKES LATE TONIGHT
AND FRIDAY MORNING. STRONG CANADIAN HIGH PRESSURE...30.50
INCHES...WILL THEN SETTLE OVER THE REGION FOR FRIDAY NIGHT AND
SATURDAY.

LCZ460-180800-
LAKE ST CLAIR-
331 PM EDT THU APR 17 2014

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. A CHANCE OF LIGHT SHOWERS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AFTER MIDNIGHT. CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS. CLOUDY WITH LIGHT SHOWERS LIKELY
THROUGH EARLY AFTERNOON...THEN PARTLY SUNNY WITH A CHANCE OF LIGHT
SHOWERS BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY THROUGH EARLY
AFTERNOON...THEN PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS BY MID
AFTERNOON. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

HLO

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





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