Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 231448
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 AM EST SUN NOV 23 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...A LARGE AREA OF LOW PRESSURE WILL LIFT
ACROSS THE WESTERN AND NORTHERN GREAT LAKES TONIGHT AND
MONDAY...DEEPENING TO 28.80 INCHES. THE PASSAGE OF THIS SYSTEM
THROUGH THE REGION WILL PUSH A STRONG COLD FRONT ACROSS THE AREA
MONDAY AFTERNOON AND EVENING...AND ALLOW VERY STRONG WINDS TO
DEVELOP OVER THE CENTRAL GREAT LAKES. STRONG WINDS ARE EXPECTED TO
DIMINISH TUESDAY AS THE LOW LIFTS NORTHEAST AND WEAK HIGH PRESSURE
BUILDS OVER THE OHIO VALLEY.

LCZ460-232115-
LAKE ST CLAIR-
948 AM EST SUN NOV 23 2014

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
MORNING...

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS. SCATTERED LIGHT SHOWERS
LATE IN THE MORNING...THEN NUMEROUS LIGHT SHOWERS BY LATE MORNING.
PERIODS OF LIGHT SHOWERS LATE. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 15 TO
20 KNOTS BY LATE EVENING. RAIN. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST TO 30 KNOTS
WITH GUSTS TO 40 KNOT GALES BY AFTERNOON. LIGHT SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF LIGHT SHOWERS IN THE AFTERNOON. A CHANCE
OF LIGHT SNOW SHOWERS LATE. WAVES 1 TO 3 FEET... BUILDING TO 2 TO 4
FEET BY AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS TO 30 KNOTS...DIMINISHING TO 20 TO
25 KNOTS AFTER MIDNIGHT. GUSTS TO 35 KNOT GALES. MOSTLY CLOUDY WITH
A CHANCE OF LIGHT SNOW SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET LATE.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO 15 KNOTS
BY EVENING. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS. WAVES
1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SNOW
SHOWERS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SNOW SHOWERS. WAVES 2 FEET OR LESS.

$$

HLO

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



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