Great Lakes Forecast
Issued by NWS

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335
FZUS63 KDTX 251354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT SUN SEP 25 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...30.30 INCHES...OVER LAKE HURON WILL
EXIT EAST TODAY...ALLOWING A COLD FRONT TO SWING THROUGH THE
CENTRAL GREAT LAKES MONDAY MORNING. LOW PRESSURE...29.40
INCHES...OVER WESTERN ONTARIO SUNDAY NIGHT WILL MOVES SOUTHEAST
INTO THE NORTHERN GREAT LAKES EARLY NEXT WEEK.

LCZ460-252015-
LAKE ST CLAIR-
954 AM EDT SUN SEP 25 2016

.REST OF TODAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 15 TO
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THROUGH MIDNIGHT...THEN A
CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY LATE. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. SHOWERS AND A CHANCE OF
THUNDERSTORMS THROUGH EARLY AFTERNOON...THEN PARTLY SUNNY BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...DIMINISHING TO 15 TO
20 KNOTS LATE. PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 1
TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. PARTLY SUNNY THROUGH MID
AFTERNOON...BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS. WAVES
1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

RBP

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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