Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 022027
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
327 PM EST MON MAR 2 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...30.50 INCHES...WILL MOVE FROM THE OHIO
VALLEY THIS EVENING TO THE MID ATLANTIC BY TUESDAY MORNING.
DEVELOPING LOW PRESSURE IN THE LEE OF THE ROCKIES THIS
EVENING...WILL MOVE INTO THE WESTERN GREAT LAKES TUESDAY AFTERNOON
AT 29.60 INCHES. THIS LOW WILL SLIDE EAST OF LAKE HURON TUESDAY
NIGHT...WHILE A SECONDARY LOW DEEPENS NEAR JAMES BAY. HIGH PRESSURE
WILL SLOWLY EXPAND INTO THE GREAT LAKES AND OHIO VALLEY FROM THE
WEST WEDNESDAY AND THURSDAY.

LCZ460-030915-
LAKE ST CLAIR-
327 PM EST MON MAR 2 2015

.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS LATE. PARTLY CLOUDY MAINLY BEFORE MIDNIGHT...THEN MOSTLY
CLOUDY WITH A CHANCE OF LIGHT SNOW LATE.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 15 TO
20 KNOTS. LIGHT SNOW AND A CHANCE OF LIGHT SLEET IN THE MORNING...
THEN LIGHT RAIN AND A CHANCE OF LIGHT FREEZING RAIN BY AFTERNOON.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST
10 TO 15 KNOTS BY LATE EVENING. MOSTLY CLOUDY. PATCHY DRIZZLE IN THE
EVENING. LIGHT RAIN...LIGHT FREEZING RAIN AND SNOW LIKELY EARLY IN
THE EVENING. SCATTERED FLURRIES AFTER MIDNIGHT.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. MOSTLY CLOUDY.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS LATE IN THE EVENING...THEN DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT...BECOMING NORTH 5 TO 10 KNOTS LATE. MOSTLY
CLOUDY MAINLY BEFORE MIDNIGHT...BECOMING PARTLY CLOUDY OVERNIGHT.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS BY EVENING. PARTLY SUNNY THROUGH MID AFTERNOON...BECOMING
MOSTLY CLEAR.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

SC

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



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