Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 190247
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 PM EST SAT FEB 18 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...HIGH PRESSURE...AROUND 30.20 INCHES...WILL BUILD OVER
THE GREAT LAKES THROUGH MONDAY. THE NEXT LOW PRESSURE
SYSTEM...AROUND 29.30 INCHES...IS EXPECTED TO ARRIVE ON TUESDAY.

LCZ460-190930-
LAKE ST CLAIR-
947 PM EST SAT FEB 18 2017

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. CLEAR...BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS. PARTLY SUNNY. WAVES NEARLY CALM.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING...
BECOMING LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE AFTERNOON AND EVENING. MOSTLY CLOUDY WITH LIGHT RAIN
LIKELY UNTIL LATE AFTERNOON, THEN PARTLY CLOUDY WITH A CHANCE OF
LIGHT RAIN EARLY IN THE EVENING. PARTLY CLOUDY LATE IN THE EVENING.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. RAIN LIKELY.
WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

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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