Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 231500
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
959 AM 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...29.50 INCHES...WILL MOVE FROM FAR
NORTHERN LAKE HURON EARLY THIS MORNING TO QUEBEC BY AFTERNOON. THIS
SYSTEM WILL DRIVE A COLD FRONT INTO THE OHIO VALLEY TONIGHT. LOW
PRESSURE...29.30 INCHES...WILL LIFT INTO IOWA FROM THE SOUTHWEST BY
FRIDAY MORNING. THIS LOW WILL TRACK ACROSS LOWER MICHIGAN FRIDAY
NIGHT AND EXIT NORTHEAST OF THE REGION ON SATURDAY.

LCZ460-232100-
LAKE ST CLAIR-
959 AM EST THU FEB 23 2017

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

$$

MR

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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


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