Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 300141 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
940 PM EDT WED MAR 29 2017

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...29.60 INCHES...WILL MOVE NORTHEAST FROM
MO INTO THE GREAT LAKES REGION THURSDAY INTO FRIDAY...BRINGING THE
LIKELY CHANCE FOR RAIN. HIGH PRESSURE...30.30 INCHES.. WILL THEN
MOVE IN FROM THE NORTHERN CENTRAL PLAINS INTO MICHIGAN BY SATURDAY.
PRESSURE WILL GRADUALLY DIMINISH TO 29.80 INCHES THROUGHOUT SUNDAY
AND EARLY MONDAY...AS LOW PRESSURE FROM TX MOVES NORTHEAST INTO THE
OHIO VALLEY.

LCZ460-300800-
LAKE ST CLAIR-
940 PM EDT WED MAR 29 2017

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN EARLY
IN THE MORNING. WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS. RAIN. A CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15
KNOTS AFTER MIDNIGHT. RAIN AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS IN THE MORNING BECOMING LIGHT AND
VARIABLE...THEN BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.
RAIN AND A CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A
CHANCE OF LIGHT RAIN LATE IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15
KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. A CHANCE OF
LIGHT RAIN UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS
IN THE AFTERNOON AND EVENING. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF RAIN.
WAVES 2 FEET OR LESS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
RAIN. WAVES 2 FEET OR LESS.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES



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