Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 221955
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 PM EDT SAT APR 22 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...AVERAGING 30.20 INCHES...WILL CONTINUE
OVER SOUTHERN GREAT LAKES REGION INTO EARLY NEXT WEEK. AN AREA OF
LOW PRESSURE...AVERAGING 29.80 INCHES...OVER HUDSON BAY WILL DROP
SOUTHWARD ON SUNDAY AFTERNOON/EVENING. THIS WILL BRING CLOUDY AND
COOLER CONDITIONS TO SAGINAW BAY AND NORTHERN LAKE HURON.

LCZ460-230800-
LAKE ST CLAIR-
351 PM EDT SAT APR 22 2017

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND
VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS. SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO 10
KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 2 FEET OR
LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15
KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
SOUTHEAST 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY EARLY IN THE
MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.

$$

HLO

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

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES


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