Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 030522 AAA
GLFSC

LAKE ST CLAIR FORECAST...UPDATED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
122 AM EDT MON AUG 3 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...A TROUGH OF LOW PRESSURE...DEEPENING TO 29.50
INCHES...WILL TRACK ACROSS LAKE HURON TONIGHT. THIS WILL PUSH A COLD
FRONT DOWN THROUGH THE CENTRAL GREAT LAKES...TRIGGERING SHOWERS AND
THUNDERSTORMS THIS EVENING AND TONIGHT. SOME OF THESE STORMS MAY
BECOME SEVERE. THE TROUGH WILL MOVE EAST MONDAY...GRADUALLY ALLOWING
HIGH PRESSURE TO BUILD INTO THE AREA BY WEDNESDAY.

LCZ460-040530-
LAKE ST CLAIR-
122 AM EDT MON AUG 3 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.REST OF TONIGHT...WEST WINDS 15 TO 20 KNOTS. SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING...THEN BECOMING NORTHWEST 5 TO 10 KNOTS LATE. PARTLY
SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST 10 TO
15 KNOTS BY MID AFTERNOON. PARTLY SUNNY...THEN PARTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

CB

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



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