Great Lakes Forecast
Issued by NWS

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756
FZUS63 KDTX 240251
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
946 PM EST THU FEB 23 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...29.30 INCHES...WILL LIFT NORTHEAST
OUT OF KANSAS TONIGHT INTO IOWA BY FRIDAY MORNING. THIS LOW WILL
MAINTAIN ITS INTENSITY WHILE TRACKING ACROSS LOWER MICHIGAN FRIDAY
NIGHT AND LAKE HURON ON SATURDAY MORNING. STRONG WESTERLY WINDS ARE
POSSIBLE ON SATURDAY AS THE LOW EXITS THE REGION.

LCZ460-240900-
LAKE ST CLAIR-
946 PM EST THU FEB 23 2017

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO
5 TO 10 KNOTS EARLY IN THE MORNING. SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. A
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS AND
THUNDERSTORMS UNTIL EARLY MORNING, THEN LIGHT SHOWERS LIKELY EARLY
IN THE MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO 25
KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 30 KNOTS. MOSTLY
CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF LIGHT
SNOW SHOWERS UNTIL LATE AFTERNOON. A CHANCE OF LIGHT SHOWERS IN THE
LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO 3 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
.SATURDAY NIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
DIMINISHING TO 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY
EARLY IN THE EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE AFTERNOON, THEN DIMINISHING TO 10 TO 15 KNOTS IN THE
EVENING. PARTLY CLOUDY BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
RAIN AND SNOW. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH RAIN
LIKELY AND A CHANCE OF SNOW. WAVES 2 FEET OR LESS.

$$

DG

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

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES



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