Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220134
GLFSC

GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1033 PM EDT TUE OCT 21 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...29.80 INCHES...WILL TRACK TO THE EAST
COAST TONIGHT. A RIDGE OF HIGH PRESSURE WILL GRADUALLY BUILD OVER
THE AREA FOR WEDNESDAY AND THURSDAY...ALLOWING FOR CALMER CONDITIONS.

&&

LCZ460-220815-
LAKE ST CLAIR-
1033 PM EDT TUE OCT 21 2014

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THIS EVENING...

.TONIGHT...NORTH WINDS 20 TO 25 KNOTS...DIMINISHING TO 10 TO 15
KNOTS OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING...BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY
THROUGH MIDNIGHT...BECOMING MOSTLY CLOUDY OVERNIGHT. WAVES 2 FEET OR
LESS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY...BECOMING MOSTLY
CLEAR. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

SC

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



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