Great Lakes Forecast
Issued by NWS

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349
FZUS63 KDTX 221349 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 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...WILL SINK FROM CENTRAL
ONTARIO INTO THE CENTRAL GREAT LAKES LATE TODAY AND TONIGHT...AND TO
THE CENTRAL APPALACHIANS MONDAY NIGHT. 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.

LCZ460-222000-
LAKE ST CLAIR-
948 AM EDT SUN MAY 22 2016

.REST OF 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 BY LATE MORNING...THEN CLEARING. WAVES 2 FEET OR LESS.
.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.

$$

HLO

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



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