Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 281402
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EDT THU JUL 28 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...HIGH PRESSURE...30.10 INCHES...WILL SLOWLY EXPAND FROM
CENTRAL CANADA INTO THE NORTHERN GREAT LAKES TODAY AND FRIDAY. LOW
PRESSURE...29.90 INCHES...WILL DEVELOP OVER SOUTHWESTERN LOWER
MICHIGAN AND THE NORTHERN OHIO VALLEY TODAY. THIS LOW WILL SETTLE
SOUTH ACROSS THE OHIO VALLEY TONIGHT INTO FRIDAY WHILE WEAKENING.
THE HIGH PRESSURE SYSTEM WILL RESIDE ACROSS THE NORTHERN GREAT LAKES
INTO SATURDAY BEFORE SLOWLY EXPANDING INTO THE SOUTHERN GREAT LAKES
ON SUNDAY.

LCZ460-282015-
LAKE ST CLAIR-
1002 AM EDT THU JUL 28 2016

.REST OF TODAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS BY MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR LESS.

$$

DRC

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



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