Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 181951
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 PM EDT SAT MAR 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...LOW PRESSURE WILL WEAKEN AS IT TRACKS INTO THE EASTERN
GREAT LAKES. A RIDGE OF HIGH PRESSURE...30.40 INCHES...WILL THEN
BUILD INTO THE CENTRAL GREAT LAKES LATE TONIGHT AND SUNDAY. LOW
PRESSURE WILL DROP THROUGH HUDSON BAY LATE THIS WEEKEND AND DRAG A
COLD FRONT THROUGH THE AREA ON MONDAY.

LCZ460-190815-
LAKE ST CLAIR-
351 PM EDT SAT MAR 18 2017

.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW IN THE EVENING. WAVES 2 FEET OR LESS.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON...BECOMING
LIGHT AND VARIABLE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SLEET IN THE MORNING. A CHANCE OF LIGHT RAIN IN THE LATE
MORNING AND AFTERNOON. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT RAIN EARLY IN THE EVENING...THEN PARTLY CLOUDY IN
THE LATE EVENING AND OVERNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON AND EVENING. MOSTLY SUNNY UNTIL LATE
AFTERNOON...BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DRK

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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