Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 011957
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
357 PM EDT FRI MAY 1 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...HIGH PRESSURE...30.20 INCHES...OVER THE REGION
WILL DROP SOUTHWARD THROUGH SATURDAY. THIS HIGH WILL SETTLE
SOUTHEASTWARD OVER THE MID ATLANTIC LATE THIS WEEKEND AS LOW
PRESSURE ORGANIZES OVER CENTRAL CANADA. THIS LOW WILL PULL A COLD
FRONTAL TROUGH...AVERAGING 29.90 INCHES...INTO THE REGION LATE
SUNDAY NIGHT AND MONDAY AS IT LIFTS TOWARD HUDSON BAY.

&&

LCZ460-020815-
LAKE ST CLAIR-
357 PM EDT FRI MAY 1 2015

.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY THIS EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY LATE MORNING. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS THROUGH MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. 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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