Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 280200
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT WED APR 27 2016

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...HIGH PRESSURE OF 30.40 INCHES WILL REMAIN ANCHORED OVER
CANADA THIS WEEK WITH THE SOUTHERN EDGE OF THE RIDGING FROM THIS
HIGH REACHING INTO THE CENTRAL GREAT LAKES. LOW PRESSURE...AROUND
29.70 INCHES...WILL TRACK ACROSS THE OHIO VALLEY ON THURSDAY/FRIDAY
AND TEMPORARILY BREAK DOWN THIS SURFACE RIDGING OVER THE REGION.

LCZ460-280800-
LAKE ST CLAIR-
958 PM EDT WED APR 27 2016

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT...THEN BECOMING EAST 15 TO 20 KNOTS
LATE. MOSTLY CLEAR THIS EVENING...BECOMING MOSTLY CLOUDY OVERNIGHT.
WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS...BECOMING NORTHEAST 10 TO
15 KNOTS BY MID AFTERNOON. CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS
THROUGH MID AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY...BECOMING
MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT. WAVES
2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.

$$

CB

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



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