Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220755
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
355 AM EDT SUN MAY 22 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...30.20 INCHES...OVER ONTARIO THIS MORNING
WILL SINK SOUTH THROUGH THE CENTRAL GREAT LAKES TONIGHT...AND INTO
THE CENTRAL APPALACHIANS TOMORROW. SOUTHWEST WINDS AHEAD OF A COLD
FRONT WILL ALLOW WARMER AIR TO MOVE IN...WITH THE FRONT BRINGING A
GOOD CHANCE OF SHOWERS AND THUNDERSTORMS ON WEDNESDAY.

LCZ460-222015-
LAKE ST CLAIR-
355 AM EDT SUN MAY 22 2016

.TODAY...NORTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS
BY LATE MORNING...THEN DIMINISHING TO 10 TO 15 KNOTS LATE. PARTLY
SUNNY THROUGH MID AFTERNOON...THEN CLEARING. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS. SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. SUNNY...THEN PARTLY CLOUDY
WITH A CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.

$$

BT

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



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