Great Lakes Forecast
Issued by NWS

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844
FZUS63 KDTX 312035
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
335 PM EST SUN JAN 31 2016

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...A LOW PRESSURE SYSTEM WILL STRENGTHEN FROM 29.50 TO
29.30 INCHES AS IT MOVES FROM LOWER MICHIGAN INTO SOUTHERN QUEBEC
THROUGH TONIGHT. COOLER AIR WILL MOVE IN TONIGHT ON THE BACK SIDE OF
THIS SYSTEM. HIGH PRESSURE AVERAGING 30.10 INCHES WILL BRIEFLY BUILD
INTO THE WESTERN GREAT LAKES MONDAY BEFORE EASTERLY WINDS INCREASE
TUESDAY AHEAD OF A STRONG LOW PRESSURE SYSTEM MOVING INTO THE MID-
MISSISSIPPI VALLEY.

LCZ460-010915-
LAKE ST CLAIR-
335 PM EST SUN JAN 31 2016

.TONIGHT...WEST WINDS 10 TO 15 KNOTS. LIGHT SHOWERS EARLY THIS
EVENING...THEN A CHANCE OF LIGHT SHOWERS LATE IN THE EVENING.
.MONDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY SUNNY.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLOUDY.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO 20 KNOTS.
CLOUDY. A CHANCE OF LIGHT RAIN IN THE AFTERNOON.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. RAIN IN THE EVENING...THEN A CHANCE
OF LIGHT RAIN AFTER MIDNIGHT.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT RAIN AND SNOW SHOWERS...THEN PARTLY CLOUDY BY EVENING.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
.FRIDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

JVC

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



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