Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 231941
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 PM EDT SAT JUL 23 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...30.00 INCHES...OVER THE CENTRAL GREAT
LAKES WILL DRIFT EAST TONIGHT. LOW PRESSURE...29.50 INCHES...WILL
TRACK ACROSS NORTHERN ONTARIO SUNDAY INTO SUNDAY NIGHT. THIS SYSTEM
WILL BRING RETURN TO UNSETTLED WEATHER AND SWEEP A COLD FRONT
THROUGH THE AREA SUNDAY NIGHT.

LCZ460-240815-
LAKE ST CLAIR-
341 PM EDT SAT JUL 23 2016

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

$$

DRC

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


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