Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 270740
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
340 AM 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 AND
TEMPORARILY BREAK DOWN THIS SURFACE RIDGING OVER THE REGION.

LCZ460-272015-
LAKE ST CLAIR-
340 AM EDT WED APR 27 2016

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY THROUGH
MIDNIGHT...BECOMING MOSTLY CLOUDY OVERNIGHT. A CHANCE OF LIGHT
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS LATE. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH
A CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY MID AFTERNOON...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.

$$

SS

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


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