Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 230143
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 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...HIGH PRESSURE...30.30 INCHES...WILL EXPAND ACROSS
NORTHERN ONTARIO TONIGHT. THIS HIGH WILL DRIVE A COLD
FRONT...AVERAGE PRESSURE 30.00 INCHES...INTO LAKE ERIE FRIDAY
MORNING. THIS HIGH WILL SLOWLY MOVE ACROSS EASTERN ONTARIO AND
INTO QUEBEC DURING THE COURSE OF THE WEEKEND.

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

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING NORTH
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THIS EVENING...BECOMING
MOSTLY CLOUDY OVERNIGHT. 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.

$$

SC

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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