Great Lakes Forecast
Issued by NWS

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141
FZUS63 KDTX 260742
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 AM EDT MON SEP 26 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...A COLD FRONT WILL PUSH ACROSS THE CENTRAL GREAT LAKES
REGION THIS MORNING. LOW PRESSURE...29.40 INCHES...WILL SLOWLY PUSH
SOUTHWARD FROM WESTERN ONTARIO THIS MORNING PORTIONS OF LAKE
SUPERIOR BY TUESDAY MORNING. THE LARGE AREA OF LOW PRESSURE WILL
THEN WEAKEN AS IT DIGS DOWN INTO THE OHIO AND TENNESSEE RIVER
VALLEYS BY WEDNESDAY AND THURSDAY.

LCZ460-262015-
LAKE ST CLAIR-
342 AM EDT MON SEP 26 2016

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH TUESDAY EVENING...

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 15 TO
20 KNOTS WITH GUSTS TO 25 KNOTS BY MID AFTERNOON. PERIODS OF
SHOWERS EARLY...THEN CLOUDY WITH SCATTERED SHOWERS BY LATE
MORNING. PARTLY SUNNY BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS...BECOMING
SOUTHWEST 10 TO 20 KNOTS BY MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3
FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS LATE. PARTLY SUNNY. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND
VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF WATERSPOUTS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON...THEN BACKING TO THE NORTHEAST THROUGH
MIDNIGHT. A CHANCE OF WATERSPOUTS. MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.

$$

SF

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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