Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 131445
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 AM EST MON FEB 13 2017

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...29.70 INCHES...WILL CONTINUE TO TRACK
EAST THROUGH THE MID ATLANTIC STATES.  A RIDGE OF HIGH
PRESSURE...30.20 INCHES...WILL BUILD INTO THE CENTRAL GREAT LAKES
TODAY.  A NEW SURFACE TROUGH WILL THEN DEVELOP OVER THE REGION ON
TUESDAY...FOLLOWED BY A STRONG COLD FRONT SWINGING THROUGH ON
TUESDAY NIGHT.

LCZ460-132100-
LAKE ST CLAIR-
945 AM EST MON FEB 13 2017

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS EARLY IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE
LATE IN THE AFTERNOON. MOSTLY SUNNY.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY BECOMING
PARTLY CLOUDY AFTER MIDNIGHT BECOMING MOSTLY CLOUDY. SCATTERED LIGHT
SNOW SHOWERS UNTIL EARLY MORNING.
.WEDNESDAY...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS IN THE EVENING. MOSTLY CLOUDY.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES



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