Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 031942
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EDT TUE MAY 3 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...LOW PRESSURE NEAR JAMES BAY...29.50 INCHES...WILL SETTLE
SOUTHWARD OVER LOWER MICHIGAN WEDNESDAY...AND THEN INTO OHIO
WEDNESDAY NIGHT AND EFFECTIVELY BRING A COLD FRONT THROUGH THE GREAT
LAKES. MODERATE NORTHERLY WIND WILL PERSIST BEHIND THE SYSTEM
THROUGH THROUGH THURSDAY. WEAK HIGH PRESSURE...29.90 INCHES...WILL
THEN BE IN CONTROL OF FAVORABLE MARINE CONDITIONS FRIDAY BEFORE THE
NEXT FRONT IS DUE TO ARRIVE LATER SATURDAY INTO SATURDAY NIGHT.

LCZ460-040815-
LAKE ST CLAIR-
342 PM EDT TUE MAY 3 2016

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY THROUGH
MIDNIGHT...THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS LATE.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE MORNING...THEN BECOMING SOUTHEAST 5 TO 10 KNOTS
LATE. CLOUDY WITH LIGHT SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS...BACKING TO THE
NORTHEAST BY MIDNIGHT...THEN BECOMING NORTH 10 TO 15 KNOTS AFTER
MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS THROUGH
MIDNIGHT...THEN PARTLY CLOUDY LATE. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS THROUGH MIDNIGHT. CLEAR. WAVES NEARLY CALM.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

SF

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



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