Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 301355
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
955 AM EDT THU MAR 30 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 FROM MISSOURI
THIS MORNING TO CENTRAL ILLINOIS BY THIS EVENING. MEANWHILE...HIGH
PRESSURE OF 30.40 INCHES WILL HOLD STEADY OVER QUEBEC TODAY. THE LOW
WILL CONTINUE NORTHEAST TONIGHT...BECOMING CENTERED NEAR TOLEDO BY
FRIDAY MORNING. THE LOW WILL WEAKEN AS IT SKIRTS NORTHERN OHIO ON
FRIDAY. WEAK HIGH PRESSURE WILL BUILD INTO THE REGION FROM THE WEST
IN ITS WAKE. THIS HIGH WILL STRENGTHEN DURING THE COURSE OF THE
WEEKEND.

LCZ460-302015-
LAKE ST CLAIR-
955 AM EDT THU MAR 30 2017

.REST OF TODAY...EAST WINDS 15 TO 20 KNOTS. RAIN AND SCATTERED
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. RAIN AND SCATTERED THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON...THEN BACKING TO THE NORTH
LATE IN THE AFTERNOON. RAIN AND SCATTERED THUNDERSTORMS EARLY IN THE
MORNING...THEN RAIN IN THE LATE MORNING AND 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. CLOUDY. LIGHT RAIN LIKELY
EARLY IN THE EVENING...THEN A CHANCE OF LIGHT RAIN IN THE LATE
EVENING AND 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. MOSTLY CLOUDY EARLY IN THE MORNING
BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
RAIN. WAVES 2 FEET OR LESS.
.MONDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF RAIN. WAVES 2 FEET OR LESS.

$$

SF

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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