Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 120755
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 AM EDT FRI SEP 12 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...ORGANIZING LOW PRESSURE CURRENTLY OVER THE TENNESSEE
VALLEY WILL STRENGTHEN TO 30.00 INCHES AS IT TRACKS NORTHEAST ACROSS
THE OHIO VALLEY TONIGHT.  THIS LOW WILL SHIFT QUICKLY INTO QUEBEC AS
HIGH PRESSURE OF 30.30 INCHES BUILDS INTO THE GREAT LAKES ON
SATURDAY.  THIS HIGH WILL SLOWLY DRIFT THROUGH THE REGION THROUGHOUT
THE WEEKEND.

LCZ460-122000-
LAKE ST CLAIR-
349 AM EDT FRI SEP 12 2014

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTH 10 TO
15 KNOTS LATE. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS BY
MIDNIGHT. LIGHT SHOWERS LIKELY AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS
THROUGH EARLY AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHEAST 5 TO 10 KNOTS
LATE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTH BY MID
AFTERNOON. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

MR

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





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