Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 310740
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
340 AM EDT SUN MAY 31 2015

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...29.90 INCHES...WILL MOVE EAST ACROSS THE
OHIO VALLEY TODAY THEN INTO THE MID ATLANTIC ON MONDAY.
MEANWHILE...HIGH PRESSURE OF 30.40 INCHES WILL BUILD ACROSS THE
NORTHERN GREAT LAKES. THIS HIGH WILL GRADUALLY TRACK INTO THE
EASTERN GREAT LAKES BY MID WEEK.

LCZ460-312015-
LAKE ST CLAIR-
340 AM EDT SUN MAY 31 2015

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS...WITH GUSTS TO 25 KNOTS. RAIN
THROUGH EARLY AFTERNOON...THEN LIGHT RAIN BY EARLY AFTERNOON. A
CHANCE OF LIGHT RAIN LATE. RAIN MAY BE HEAVY AT TIMES THROUGH
EARLY AFTERNOON. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS EARLY
IN THE EVENING. WAVES 1 TO 3 FEET.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND
VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY THROUGH MID
AFTERNOON...BECOMING CLEAR. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

JVC/SC

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



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