Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 270142
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
942 PM 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...LOW PRESSURE...29.40 INCHES...WILL SLOWLY PUSH SOUTHWARD
FROM WESTERN ONTARIO THIS EVENING INTO SOUTHERN LAKE SUPERIOR BY
TUESDAY EVENING...WEAKENING TO 29.60 INCHES. THE LARGE AREA OF LOW
PRESSURE WILL WEAKEN FURTHER AS IT DIGS DOWN INTO THE OHIO VALLEY BY
WEDNESDAY AND THURSDAY WHILE HIGH PRESSURE TAKES SHAPE OVER WESTERN
ONTARIO.

LCZ460-270815-
LAKE ST CLAIR-
942 PM EDT MON SEP 26 2016

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS LATE. 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 LIGHT SHOWERS. A
CHANCE OF WATERSPOUTS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS
EARLY...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE MORNING.
A CHANCE OF WATERSPOUTS. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH
A CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY...BECOMING PARTLY SUNNY BY
LATE MORNING...BECOMING MOSTLY CLOUDY...BECOMING PARTLY CLOUDY BY
MIDNIGHT. A CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST 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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