Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 180858
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 AM EST SUN JAN 18 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...LOW PRESSURE...AVERAGING 29.40 INCHES...WILL TRACK
THROUGH QUEBEC TODAY AND PULL A COLD FRONT SOUTH OVER LAKE HURON AND
LOWER MICHIGAN TONIGHT THROUGH MONDAY. MODERATE WEST TO NORTHWEST
WIND WILL THEN GIVE WAY TO WEAK HIGH PRESSURE BY MONDAY NIGHT WHICH
WILL REMAIN IN PLACE AS AN EQUALLY WEAK LOW PRESSURE SYSTEM MOVES
THROUGH THE OHIO VALLEY TUESDAY.

LCZ460-182115-
LAKE ST CLAIR-
358 AM EST SUN JAN 18 2015

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS. CLOUDY. SCATTERED LIGHT RAIN AND SNOW SHOWERS IN THE
MORNING...THEN SCATTERED LIGHT SNOW SHOWERS BY AFTERNOON.
.TONIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH SCATTERED LIGHT SNOW
SHOWERS IN THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. PARTLY SUNNY.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS BY LATE EVENING...THEN BECOMING LIGHT AND VARIABLE LATE.
MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND VARIABLE.
CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SNOW SHOWERS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT SNOW SHOWERS.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

BT

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


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