Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 141349
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 AM EDT TUE OCT 14 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...29.40 INCHES...WILL MOVE FROM
NORTHEASTERN MISSOURI THIS MORNING TO CENTRAL ILLINOIS BY THIS
AFTERNOON. THE LOW WILL SLOWLY TRACK ACROSS THE OHIO VALLEY TONIGHT
THROUGH WEDNESDAY NIGHT WHILE WEAKENING TO 29.70 INCHES. THE LOW
WILL THEN LIFT TO THE NORTHERN GREAT LAKES ON THURSDAY.

LCZ460-142000-
LAKE ST CLAIR-
944 AM EDT TUE OCT 14 2014

.REST OF TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS
LATE IN THE MORNING...THEN SHOWERS AND A CHANCE OF THUNDERSTORMS BY
LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. LIGHT SHOWERS LIKELY EARLY IN THE EVENING...
THEN A CHANCE OF LIGHT SHOWERS BY MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT AND
VARIABLE. A CHANCE OF LIGHT SHOWERS BY MID AFTERNOON. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES NEARLY CALM.
.THURSDAY...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 10 KNOTS
BY MID AFTERNOON. A CHANCE OF LIGHT SHOWERS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.SATURDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

DT

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





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