Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 222000
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
400 PM EDT THU SEP 22 2016

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...WEAK LOW PRESSURE...AVERAGING 30.00 INCHES...IS TRACKING
ACROSS NORTHERN LAKE HURON TONIGHT. THE EXIT OF THIS LOW WILL
BRING A COLD FRONT SOUTHWARD ACROSS THE REGION EARLY FRIDAY. THE
POTENTIAL EXISTS FOR SHOWERS AND THUNDERSTORMS TO DEVELOP ALONG
THIS FRONTAL BOUNDARY. MODERATE NORTHEAST WIND WILL DEVELOP BEHIND
THE FRONT FRIDAY THROUGH FRIDAY NIGHT BEFORE HIGH PRESSURE
ARRIVES SATURDAY.

LCZ460-230815-
LAKE ST CLAIR-
400 PM EDT THU SEP 22 2016

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE WEST BY
MIDNIGHT...THEN BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO 15 KNOTS
BY MID AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
BY EARLY AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS LATE. PARTLY
SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY EARLY...BECOMING
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.

$$

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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