Great Lakes Forecast
Issued by NWS

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101
FZUS63 KDTX 270820
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 AM EDT SAT MAY 27 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...29.90 INCHES...WILL REBUILD INTO THE
CENTRAL GREAT LAKES TODAY. AN AREA OF LOW PRESSURE...DEEPENING TO
29.60 INCHES...WILL THEN LIFT ACROSS THE AREA ON SUNDAY. THIS WILL
BRING A ROUND OF SHOWERS AND THUNDERSTORMS AND DRAG A COLD FRONT
ACROSS THE AREA SUNDAY EVENING.

LCZ460-272000-
LAKE ST CLAIR-
412 AM EDT SAT MAY 27 2017

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

$$

CB

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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