Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 010741
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 AM EDT TUE SEP 1 2015

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...SURFACE PRESSURE WILL NOT DEVIATE FAR FROM 30.00 INCHES
OVER THE NEXT COUPLE OF DAYS. A WEAK COLD FRONT TRACKING THROUGH THE
CENTRAL GREAT LAKES WEDNESDAY NIGHT INTO THURSDAY WILL BRING A
CHANCE OF SHOWERS AND THUNDERSTORMS.

LCZ460-012015-
LAKE ST CLAIR-
341 AM EDT TUE SEP 1 2015

.TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS BY
MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. A CHANCE
OF SHOWERS BY EARLY AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS
LATE. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTH AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS THROUGH
MIDNIGHT. PARTLY SUNNY WITH A CHANCE OF SHOWERS EARLY...THEN PARTLY
SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE MORNING.
PARTLY CLOUDY THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

SF

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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