Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 271939
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 PM EDT MON MAR 27 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...A WEAK LOW PRESSURE SYSTEM WILL TRACK THROUGH THE OHIO
VALLEY TONIGHT...AVERAGING 29.80 INCHES. STRONG HIGH
PRESSURE...30.50...CENTERED OVER ONTARIO WILL THEN EXPAND INTO THE
CENTRAL GREAT LAKES FOR TUESDAY AND WEDNESDAY.

LCZ460-280815-
LAKE ST CLAIR-
339 PM EDT MON MAR 27 2017

.TONIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTH 5 TO 10 KNOTS IN
THE LATE EVENING AND EARLY MORNING...THEN INCREASING TO 10 TO 15
KNOTS EARLY IN THE MORNING. CLOUDY WITH A CHANCE OF LIGHT SHOWERS.
WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF LIGHT
SHOWERS EARLY IN THE MORNING...THEN MOSTLY CLOUDY IN THE LATE
MORNING AND AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO 15
KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN DIMINISHING TO
5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5
TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SNOW UNTIL
LATE AFTERNOON. A CHANCE OF LIGHT RAIN IN THE LATE MORNING AND EARLY
AFTERNOON...THEN RAIN IN THE EVENING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS. RAIN. WAVES 2 FEET OR LESS.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. 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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