Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 241339
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
939 AM EDT SUN APR 24 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...AVERAGING 30.20 INCHES...WILL START TO
SHIFT EAST AS THE NEXT LOW PRESSURE SYSTEM MOVES TOWARDS THE GREAT
LAKES REGION.  THIS SYSTEM...AVERAGING 29.40 INCHES...WILL BRING A
ROUND OF SHOWERS LATER TODAY ALONG WITH A CHANCE FOR A FEW
THUNDERSTORMS ON MONDAY AS MORE WIDESPREAD RAIN WORKS IN.  HIGH
PRESSURE...AVERAGING 30.10 INCHES...THEN BUILD BACK IN FROM THE
NORTH TUESDAY NIGHT.

LCZ460-242015-
LAKE ST CLAIR-
939 AM EDT SUN APR 24 2016

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO
10 KNOTS BY LATE MORNING. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY EARLY AFTERNOON...THEN BECOMING WEST 10 TO 15 KNOTS
LATE. PARTLY SUNNY THROUGH MID AFTERNOON...BECOMING CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON...THEN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES 2 FEET
OR LESS.
.MONDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST 10 TO
15 KNOTS LATE. SHOWERS AND A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT...THEN SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS THROUGH EARLY AFTERNOON...THEN PARTLY CLOUDY
BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

SC

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



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