Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 150847
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EST MON DEC 15 2014

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...MILD AIR WILL CONTINUE TO STREAM INTO LAKE HURON AND
LOWER MICHIGAN THROUGH TUESDAY. THIS WILL OCCUR AHEAD OF THE NEXT
LOW PRESSURE SYSTEM WHICH IS EXPECTED TO TRACK ACROSS SOUTHERN
MICHIGAN TUESDAY AND TUESDAY NIGHT AT 29.70 INCHES. COLDER AIR WILL
MOVE BACK INTO THE REGION WEDNESDAY ON INCREASED NORTHWEST WIND
TRAILING THE LOW PRESSURE SYSTEM.

LCZ460-152115-
LAKE ST CLAIR-
347 AM EST MON DEC 15 2014

.TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS BY
AFTERNOON. MOSTLY CLOUDY. AREAS OF DRIZZLE AND FOG IN THE MORNING. A
CHANCE OF LIGHT SHOWERS LATE. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. A CHANCE OF LIGHT SHOWERS EARLY IN THE EVENING...THEN
LIGHT SHOWERS LIKELY LATE IN THE EVENING. LIGHT SHOWERS AFTER
MIDNIGHT. AREAS OF FOG BY LATE EVENING. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE MORNING...THEN VEERING TO THE SOUTHWEST LATE. AREAS
OF FOG IN THE MORNING. LIGHT SHOWERS IN THE MORNING...THEN LIGHT
SHOWERS LIKELY BY AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 20 TO 25
KNOTS OVERNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN AND SNOW
SHOWERS IN THE EVENING...THEN A CHANCE OF FLURRIES AFTER MIDNIGHT.
WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.WEDNESDAY...WEST WINDS 20 TO 25 KNOTS...DIMINISHING TO 10 TO
15 KNOTS. MOSTLY CLOUDY THROUGH MID AFTERNOON...BECOMING PARTLY
CLOUDY. A CHANCE OF FLURRIES. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
FLURRIES AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.

$$

CB

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



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