Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220736
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
336 AM EDT SUN MAR 22 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...30.40 INCHES...WILL BUILD FROM MANITOBA
INTO LOWER MICHIGAN THIS AFTERNOON AND TONIGHT. THIS HIGH WILL
EXPAND INTO THE EASTERN GREAT LAKES ON MONDAY AND REMAIN NEARLY
STATIONARY THROUGH TUESDAY. A DEEPENING LOW PRESSURE SYSTEM IS
FORECAST TO MOVE ACROSS THE NORTHERN GREAT LAKES REGION ON
WEDNESDAY.

LCZ460-222015-
LAKE ST CLAIR-
336 AM EDT SUN MAR 22 2015

.TODAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS BY LATE MORNING. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY...THEN PARTLY
CLOUDY WITH LIGHT SHOWERS LIKELY AND A CHANCE OF LIGHT SNOW SHOWERS
THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. LIGHT
SHOWERS LIKELY AND A CHANCE OF LIGHT SNOW SHOWERS. WAVES 2 FEET OR
LESS.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DRK/SC

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


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