Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 201944
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 PM EDT SAT AUG 20 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...LOW PRESSURE WILL LIFT NORTHEAST AND
DEEPEN....AVERAGING 29.40 INCHES...AS IT MOVES ACROSS THE NORTHERN
GREAT LAKES REGION.  HIGH PRESSURE BUILDING IN FROM THE OHIO VALLEY
WILL THEN BRING IN COOLER AIR BEHIND THE EXITING LOW ON SUNDAY.

LCZ460-210815-
LAKE ST CLAIR-
344 PM EDT SAT AUG 20 2016

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...SOUTH WINDS 20 TO 25 KNOTS...BECOMING WEST 15 TO 20 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THROUGH MIDNIGHT...THEN PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...WEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS. PARTLY
SUNNY. A CHANCE OF WATERSPOUTS. A CHANCE OF LIGHT SHOWERS BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING LIGHT AND VARIABLE LATE. MOSTLY
CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 10 KNOTS BY
MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET
OR LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.

$$

SC

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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