Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 190740
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
340 AM EDT SAT APR 19 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...STRONG HIGH PRESSURE...30.50 INCHES...WILL BUILD THROUGH
THE NORTHERN AND CENTRAL GREAT LAKES TODAY BEFORE BEFORE MOVING EAST
LATE TONIGHT. LOW PRESSURE TRACKING THROUGH ONTARIO WILL THEN PUSH A
FRONTAL BOUNDARY SOUTH TO LAKE HURON EARLY SUNDAY. THIS FRONT WILL
REMAIN NEARLY STATIONARY UNTIL A SECOND LOW PRESSURE MOVES INTO THE
GREAT LAKES AND DRAWS IT SOUTH MONDAY AND MONDAY NIGHT.

LCZ460-192000-
LAKE ST CLAIR-
340 AM EDT SAT APR 19 2014

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. LIGHT SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS BY MID AFTERNOON. PARTLY SUNNY THROUGH EARLY
AFTERNOON...BECOMING MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

DG

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






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