Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 050148
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 PM EDT MON MAY 4 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 COLD FRONT WILL TRACK THROUGH THE GREAT LAKES TONIGHT
AND REMAIN STATIONARY OVER THE SOUTHERN GREAT LAKES THROUGH TUESDAY.
A HIGH PRESSURE SYSTEM...AVERAGING 30.20 INCHES...BUILDS INTO THE
REGION ON TUESDAY NIGHT LASTING THROUGH THURSDAY. THE NEXT LOW
PRESSURE SYSTEM OF 29.90 INCHES ARRIVES ON FRIDAY.

LCZ460-050815-
LAKE ST CLAIR-
948 PM EDT MON MAY 4 2015

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTH
10 TO 15 KNOTS LATE. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS...THEN
PARTLY CLOUDY BY MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY SUNNY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING...THEN BECOMING SOUTHEAST 5 TO 10 KNOTS LATE. PARTLY
SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

DG

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


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