Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 020146
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
946 PM EDT SAT AUG 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...A WEAK TROUGH...29.80 INCHES...WILL TRACK ACROSS THE
CENTRAL GREAT LAKES THIS EVENING. A MUCH STRONGER TROUGH WILL DEEPEN
TO 29.60 INCHES AS IT DROPS THROUGH THE REGION SUNDAY AND SUNDAY
NIGHT...PULLING A COLD FRONT ACROSS THE AREA AND TRIGGERING
SHOWERS AND THUNDERSTORMS.

LCZ460-020815-
LAKE ST CLAIR-
946 PM EDT SAT AUG 1 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE
SUNDAY NIGHT...

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 5 TO 10 KNOTS AFTER
MIDNIGHT...BECOMING SOUTHWEST 10 TO 15 KNOTS LATE. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY LATE MORNING. PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON...THEN BECOMING NORTHWEST 5 TO 10 KNOTS THROUGH
MIDNIGHT. PARTLY CLOUDY...BECOMING MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.

$$

SC

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



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