Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 150141
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
940 PM EDT TUE OCT 14 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...LOW PRESSURE OF 29.50 INCHES WILL WEAKEN TO 29.70 INCHES
AS IT DRIFTS FROM NORTHERN ILLINOIS TO LAKE ONTARIO TONIGHT THROUGH
THURSDAY. THIS WILL CAUSE WINDS TO DIMINISH BEFORE THE PRESSURE
GRADIENT STRENGTHENS AGAIN DUE TO A STRONG LOW PRESSURE SYSTEM
MOVING FROM THE NORTHERN PLAINS TO THE UPPER MIDWEST THURSDAY
THROUGH FRIDAY.

LCZ460-150800-
LAKE ST CLAIR-
940 PM EDT TUE OCT 14 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. LIGHT SHOWERS...THEN LIGHT SHOWERS LIKELY BY
MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS THROUGH EARLY AFTERNOON...
BECOMING LIGHT AND VARIABLE. A CHANCE OF LIGHT SHOWERS BY LATE
MORNING. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS LATE. A CHANCE OF LIGHT SHOWERS. PARTLY CLOUDY THROUGH
MIDNIGHT...BECOMING MOSTLY CLOUDY OVERNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS BY MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING...BECOMING
PARTLY CLOUDY OVERNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

KURIMSKI

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






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