Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 190156
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
956 PM EDT MON MAY 18 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...WEAKENING LOW PRESSURE SYSTEM...AVERAGING 29.80
INCHES...OVER WESTERN QUEBEC IS PULLING A COLD FRONT THROUGH THE
EASTERN GREAT LAKES TONIGHT. SURFACE HIGH PRESSURE WILL
AGGRESSIVELY BUILD INTO THE REGION TUESDAY...PERSISTING FOR MUCH
OF THE WEEK.

LCZ460-190815-
LAKE ST CLAIR-
956 PM EDT MON MAY 18 2015

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 5 TO 10 KNOTS LATE.
PARTLY CLOUDY BY LATE EVENING...THEN CLEARING. WAVES 2 FEET OR LESS.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 15 TO
20 KNOTS LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS LATE. MOSTLY CLOUDY EARLY IN THE EVENING...BECOMING
PARTLY CLOUDY OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING LIGHT AND VARIABLE BY MID
AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY SUNNY...BECOMING MOSTLY
SUNNY BY LATE MORNING...BECOMING PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

DRK

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


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