Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220143
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 PM EDT SUN AUG 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...30.10 INCHES...WILL EXPAND ACROSS THE
OHIO VALLEY AND EASTERN GREAT LAKES ON MONDAY. THE HIGH WILL
EXPAND INTO THE MID ATLANTIC ON TUESDAY AND WILL SLOWLY EXIT THE
EAST COAST ON WEDNESDAY...ALLOWING A COLD FRONT TO MOVE INTO THE
GREAT LAKES REGION FROM THE WEST.

LCZ460-220815-
LAKE ST CLAIR-
943 PM EDT SUN AUG 21 2016

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. A CHANCE OF
WATERSPOUTS. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT AND
VARIABLE. MOSTLY SUNNY. A CHANCE OF WATERSPOUTS THROUGH EARLY
AFTERNOON. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY...THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
SHOWERS AND THUNDERSTORMS. 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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