Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 200851
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 AM EST THU NOV 20 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....AVERAGING 29.50 INCHES...OVER EASTERN
ONTARIO WILL TRACK ACROSS QUEBEC TODAY WHILE AN ASSOCIATED SURFACE
TROUGH PASSES THROUGH THE EASTERN GREAT LAKES. THEN HIGH
PRESSURE...AVERAGING 30.50 INCHES...WILL BUILD ACROSS THE OHIO
VALLEY ON FRIDAY...AND TO THE EASTERN SEABOARD ON SATURDAY.

LCZ460-202115-
LAKE ST CLAIR-
351 AM EST THU NOV 20 2014

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

.TODAY...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.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO 15 KNOTS
LATE. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF LIGHT
FREEZING RAIN IN THE MORNING. A CHANCE OF LIGHT SHOWERS...THEN LIGHT
SHOWERS LIKELY BY EVENING. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. CLOUDY WITH LIGHT SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF LIGHT SNOW SHOWERS. WAVES 1 TO
3 FEET.

$$

DRK

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


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