Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 092009
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
408 PM EDT WED APR 9 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...HIGH PRESSURE...AVERAGING 29.90 INCHES...WILL HOLD
THROUGH MID WEEK. A STRONG LOW PRESSURE SYSTEM...DEEPENING TO 28.80
INCHES...WILL DROP A COLD FRONT THROUGH THE EASTERN LAKES ON
THURSDAY.

LCZ460-100800-
LAKE ST CLAIR-
408 PM EDT WED APR 9 2014

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
LATE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. LIGHT SHOWERS LIKELY BY MID AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. A CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS THROUGH MIDNIGHT. PARTLY SUNNY THROUGH EARLY AFTERNOON...
THEN PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS BY MID AFTERNOON.
WAVES 2 FEET OR LESS.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS. CLOUDY WITH LIGHT SHOWERS
LIKELY AND A CHANCE OF LIGHT SNOW SHOWERS. WAVES 1 TO 3 FEET.

$$

CB

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






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