Great Lakes Forecast
Issued by NWS

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064
FZUS63 KDTX 280150
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
950 PM EDT TUE SEP 27 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...LOW PRESSURE AROUND 29.40 INCHES OVER LAKE SUPERIOR
TONIGHT WILL WEAKEN TO AROUND 29.90 INCHES BY WEDNESDAY AFTERNOON
AS IT MOVES SOUTH TOWARD SOUTHERN LAKE MICHIGAN. THIS WEAK AREA OF
LOW PRESSURE WILL CONTINUE TO DRIFT AROUND THE OHIO VALLEY THROUGH
THE END OF THE WEEK WHILE A RIDGE OF HIGH PRESSURE TAKES HOLD OVER
ONTARIO AND QUEBEC.

LCZ460-280815-
LAKE ST CLAIR-
950 PM EDT TUE SEP 27 2016

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A
CHANCE OF WATERSPOUTS. A CHANCE OF SHOWERS LATE. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. A CHANCE OF SHOWERS
EARLY...THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS BY LATE
MORNING. A CHANCE OF WATERSPOUTS. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST
5 TO 10 KNOTS BY MIDNIGHT. CLOUDY WITH SHOWERS LIKELY. WAVES 2 FEET
OR LESS.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE MORNING. MOSTLY CLOUDY WITH SHOWERS LIKELY. WAVES
2 FEET OR LESS.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. CLOUDY. SHOWERS LIKELY...
THEN A CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT. WAVES 2 FEET OR
LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHWEST 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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