Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 281347
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 AM EDT SAT MAR 28 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 AVERAGING 30.30 INCHES WILL BUILD ACROSS
THE GREAT LAKES TODAY. THE NEXT LOW PRESSURE SYSTEM THEN REMAINS ON
TRACK TO MOVE NORTH OF LAKE SUPERIOR DURING SUNDAY. THIS SYSTEM WILL
PULL WARMER AIR INTO THE REGION INITIALLY BEFORE THE ASSOCIATED COLD
FRONT SWEEPS THROUGH LAKE HURON AND LOWER MICHIGAN SUNDAY NIGHT.
WEAK HIGH PRESSURE WILL MOVE IN BRIEFLY DURING MONDAY.

LCZ460-282015-
LAKE ST CLAIR-
947 AM EDT SAT MAR 28 2015

.REST OF TODAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY BY LATE
MORNING...THEN CLEARING. WAVES 2 FEET OR LESS.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS
BY MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 20 TO 25 KNOTS.
PARTLY SUNNY THROUGH MID AFTERNOON...BECOMING CLOUDY. A CHANCE OF
LIGHT SHOWERS BY EARLY AFTERNOON. LIGHT SHOWERS LIKELY LATE. WAVES 2
FEET OR LESS. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. LIGHT SHOWERS LIKELY THROUGH
MIDNIGHT. A CHANCE OF LIGHT SNOW SHOWERS BY MIDNIGHT. WAVES 2 FEET
OR LESS.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
THROUGH MIDNIGHT. PARTLY SUNNY...THEN PARTLY CLOUDY WITH A CHANCE OF
LIGHT SNOW SHOWERS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

JVC

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


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