Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220751
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 AM EDT TUE APR 22 2014

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...THE LOW PRESSURE SYSTEM...AVERAGING 29.60 INCHES...THAT
PULLED A COLD FRONT THROUGH THE GREAT LAKES MONDAY NIGHT WILL
CONTINUE TO DEEPEN AS IT APPROACHES NEW ENGLAND THIS AFTERNOON.
MEANWHILE AN AREA OF HIGH PRESSURE...AVERAGING 30.20 INCHES...WILL
BUILD INTO THE REGION BEHIND THE COLD FRONT FROM THE WEST THIS
AFTERNOON BECOMING CENTERED OVER LAKE HURON ON WEDNESDAY. THE HIGH
HOLD OVER THE REGION UNTIL THE NEXT LOW PRESSURE SYSTEM MOVES IN AT
THE END OF THE WEEK.

LCZ460-222000-
LAKE ST CLAIR-
350 AM EDT TUE APR 22 2014

.TODAY...NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 10 TO 15 KNOTS LATE.
PARTLY SUNNY WITH A SLIGHT CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR
LESS.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY THROUGH
MIDNIGHT...BECOMING MOSTLY CLEAR OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY MID AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. PARTLY SUNNY THROUGH EARLY AFTERNOON...
THEN PARTLY CLOUDY WITH LIGHT SHOWERS LIKELY BY MID AFTERNOON. WAVES
2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. LIGHT SHOWERS LIKELY. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

DRK

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






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