Great Lakes Forecast
Issued by NWS

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358
FZUS63 KDTX 211340
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
940 AM EDT WED SEP 21 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...AVERAGING 30.20 INCHES...WILL SLOWLY
MOVE TO THE EAST TODAY. A FRONTAL BOUNDARY WILL THEN SETTLE ACROSS
NORTHERN LAKE HURON TONIGHT AND THURSDAY...AS LOW PRESSURE ORGANIZES
OVER THE PLAINS. THIS FRONTAL BOUNDARY WILL BRING THE POTENTIAL FOR
THUNDERSTORMS AS IT LINGERS ACROSS THE REGION THROUGH THE END OF THE
WEEK.

LCZ460-212015-
LAKE ST CLAIR-
940 AM EDT WED SEP 21 2016

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

$$

DRK

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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



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