Great Lakes Forecast
Issued by NWS

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440
FZUS63 KDTX 251942
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EDT SAT MAR 25 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...AVERAGING 29.70 INCHES...CENTERED OVER
THE UPPER MISSISSIPPI RIVER VALLEY AND ITS ASSOCIATED WARM FRONT
DRAPED ACROSS THE SOUTHERN GREAT LAKES...WILL REMAIN RELATIVELY
STALLED THROUGH SUNDAY. THE LOW CENTER IS EXPECTED TO SLOWLY LIFT
NORTHEAST CROSSING LAKE MICHIGAN SUNDAY NIGHT AND REACHING LAKE
HURON BY MONDAY WHILE WEAKENING TO A PRESSURE OF 29.80 INCHES.

LCZ460-260815-
LAKE ST CLAIR-
342 PM EDT SAT MAR 25 2017

.TONIGHT...EAST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF LIGHT
SHOWERS IN THE EVENING. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN LIGHT SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR
LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING. SHOWERS UNTIL EARLY MORNING...
THEN A CHANCE OF LIGHT SHOWERS EARLY IN THE MORNING. WAVES 2 FEET OR
LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS EARLY IN THE MORNING. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...WEST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTH 5 TO 10 KNOTS
AFTER MIDNIGHT. CLOUDY WITH A CHANCE OF LIGHT RAIN. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS IN
THE AFTERNOON AND EVENING. MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN
UNTIL LATE AFTERNOON...THEN PARTLY CLOUDY IN THE EVENING. WAVES 2
FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
RAIN. WAVES 2 FEET OR LESS.

$$

MR

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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