Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 192043
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EST WED NOV 19 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....29.60 INCHES...WILL TRAVERSE THE STRAITS
THIS EVENING AND DEEPEN TO 29.40 INCHES AS IT TRACKS EAST OF
GEORGIAN BAY TONIGHT. THE LOW WILL TRACK ACROSS QUEBEC ON THURSDAY
WHILE AN ASSOCIATED SURFACE TROUGH PASSES THROUGH THE EASTERN GREAT
LAKES. HIGH PRESSURE...30.50 INCHES...WILL EXPAND ACROSS THE OHIO
VALLEY ON FRIDAY...THEN MOVE TO THE EASTERN SEABOARD ON SATURDAY.

LCZ460-200915-
LAKE ST CLAIR-
343 PM EST WED NOV 19 2014

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.TONIGHT...SOUTH WINDS 20 TO 25 KNOTS...BECOMING SOUTHWEST THIS
EVENING. CLOUDY WITH NUMEROUS LIGHT SNOW SHOWERS. WAVES 1 TO 3
FEET.
.THURSDAY...WEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS. WAVES
1 TO 3 FEET.
.THURSDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT
FREEZING RAIN AND SNOW SHOWERS LATE. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY EVENING. A CHANCE OF LIGHT FREEZING RAIN IN THE MORNING.
A CHANCE OF LIGHT RAIN SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR
LESS.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. CLOUDY WITH LIGHT RAIN SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH LIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF LIGHT SNOW SHOWERS. WAVES 1
TO 3 FEET.

$$

SC

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



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