Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 261356 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 AM EDT TUE JUL 26 2016

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...HIGH PRESSURE...30.10 INCHES...WILL EXPAND FROM THE
UPPER MISSISSIPPI VALLEY THIS MORNING TO THE SOUTHERN GREAT LAKES
AND OHIO VALLEY THIS AFTERNOON. THIS HIGH WILL SETTLE SOUTH ACROSS
THE OHIO VALLEY ON WEDNESDAY WHILE A WEAK COLD FRONT MOVES ACROSS
LAKE HURON FROM THE NORTH. THIS FRONT WILL BE FORCED INTO THE OHIO
VALLEY ON THURSDAY AS HIGH PRESSURE EXPANDS FROM CENTRAL CANADA INTO
THE NORTHERN GREAT LAKES.

LCZ460-262000-
LAKE ST CLAIR-
948 AM EDT TUE JUL 26 2016

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO
10 KNOTS BY LATE MORNING...THEN VEERING TO THE SOUTH BY MID
AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING...BECOMING NORTH 10 TO 15 KNOTS...THEN BECOMING NORTHEAST
5 TO 10 KNOTS AFTER MIDNIGHT...BECOMING LIGHT AND VARIABLE. PARTLY
CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY THROUGH
EARLY AFTERNOON...THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.

$$

CB

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



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