Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220853
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
353 AM EST MON DEC 22 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...LOW PRESSURE OF 29.40 INCHES OVER THE CENTRAL PLAINS
WILL TRACK INTO THE WESTERN GREAT LAKES TOMORROW...WEAKENING IN THE
PROCESS. A SECOND AREA OF LOW PRESSURE IS FORECAST TO DEVELOP OVER
THE GULF COASTAL REGION AND RAPIDLY STRENGTHEN AS IT TRAVERSES THE
CENTRAL AND EASTERN GREAT LAKES REGION ON WEDNESDAY.

LCZ460-222115-
LAKE ST CLAIR-
353 AM EST MON DEC 22 2014

.TODAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS IN THE EVENING...THEN LIGHT SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. LIGHT SHOWERS IN THE
MORNING...THEN LIGHT SHOWERS LIKELY IN THE AFTERNOON. A CHANCE OF
LIGHT SHOWERS LATE. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST 10 TO 15
KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS WITH
GUSTS TO 30 KNOTS BY EVENING. RAIN...THEN RAIN AND SNOW SHOWERS
LIKELY BY EVENING. WAVES 2 FEET OR LESS. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
.THURSDAY...SOUTHWEST WINDS 20 TO 25 KNOTS. GUSTS TO 35 KNOT
GALES. MOSTLY CLOUDY. SNOW SHOWERS LIKELY. WAVES 1 TO 3 FEET. A
GALE WARNING MAY BE NEEDED.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS. WAVES 2 FEET OR LESS.

$$

SF

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


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