Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 011352
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
949 AM 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 AFTERNOON AND 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.

LCZ460-012000-
LAKE ST CLAIR-
949 AM EDT SAT AUG 1 2015

.REST OF TODAY...NORTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY MID AFTERNOON. GUSTS TO 20 KNOTS. MOSTLY SUNNY. WAVES 2
FEET OR LESS.
.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 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS. 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...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS THROUGH MIDNIGHT. PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS...THEN MOSTLY CLEAR THROUGH MIDNIGHT. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

HLO

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



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