Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 010812
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 AM 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...WILL BUILD INTO THE AREA
TODAY AND SATURDAY AS A TROUGH OF LOW PRESSURE PROGRESSES TO THE
MID ATLANTIC SEABOARD. THIS HIGH WILL ALSO SETTLE TO THE MID
ATLANTIC LATE THIS WEEKEND AS LOW PRESSURE ORGANIZES OVER CENTRAL
CANADA AND LIFTS TO HUDSON BAY. THIS WILL DRIVE A FRONTAL BOUNDARY
INTO THE REGION BY LATE SUNDAY NIGHT AND MONDAY.

&&

LCZ460-012015-
LAKE ST CLAIR-
412 AM EDT FRI MAY 1 2015

.TODAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE 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. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING LIGHT AND VARIABLE AFTER
MIDNIGHT...BECOMING SOUTHWEST 5 TO 10 KNOTS LATE. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS BY MID AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
THROUGH MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH 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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