Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 191957 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 PM EDT TUE JUL 19 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...RIDGE OF HIGH PRESSURE...AVERAGING 30.10 INCHES...WILL
BEGIN TO BREAK DOWN AND PUSH SOUTHEAST OF THE GREAT LAKES WEDNESDAY
AFTERNOON. WEDNESDAY NIGHT A WAVE OF LOW PRESSURE...AROUND 30.00
INCHES...BEGINS TO MOVE ACROSS THE GREAT LAKES. THIS WILL BE THE
FIRST OF SEVERAL WAVES THAT WILL INFLUENCE WEATHER CONDITIONS
THROUGH THE WEEKEND.

LCZ460-200800-
LAKE ST CLAIR-
349 PM EDT TUE JUL 19 2016

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

$$

HLO

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



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