Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 181353
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 AM EDT SUN SEP 18 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 SLIDE FROM ONTARIO INTO QUEBEC TODAY.
THIS WILL ALLOW HIGH PRESSURE...AVERAGING 30.00 INCHES...OVER THE
OHIO VALLEY TO EXPAND UP INTO THE CENTRAL GREAT LAKES TODAY AND
TONIGHT. THE HIGH WILL SHIFT EAST LATE MONDAY AS LOW PRESSURE
TRACKING THROUGH NORTHERN ONTARIO DROPS A COLD FRONT DOWN THROUGH
THE AREA.

LCZ460-182015-
LAKE ST CLAIR-
953 AM EDT SUN SEP 18 2016

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2
FEET OR LESS.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO
10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 10 TO
15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR
LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY...BECOMING CLEAR.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

BT

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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