Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 271342
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
942 AM EDT SAT JUN 27 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...A STRONG LOW PRESSURE SYSTEM...29.50 INCHES...TRACKING
THROUGH NORTHERN OHIO TODAY AND WILL SLOWLY EXIT EAST-NORTHEAST
TONIGHT. A WEAK SURFACE RIDGE WILL BUILD INTO THE CENTRAL GREAT
LAKES FROM THE WEST LATER SUNDAY...AND LINGER THROUGH MONDAY MORNING.

LCZ460-272015-
LAKE ST CLAIR-
942 AM EDT SAT JUN 27 2015

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NORTHEAST WINDS 20 TO 25 KNOTS...INCREASING TO
30 KNOTS BY LATE MORNING. GUSTS TO 35 KNOT GALES. RAIN AND A CHANCE
OF THUNDERSTORMS. RAIN MAY BE HEAVY AT TIMES LATE. WAVES 2 TO
4 FEET.
.TONIGHT...NORTH WINDS TO 30 KNOTS...DIMINISHING TO 20 TO 25 KNOTS
BY MIDNIGHT. GUSTS TO 35 KNOT GALES. A CHANCE OF THUNDERSTORMS
THROUGH MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN LIGHT RAIN LIKELY
LATE. WAVES 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 20 TO 25 KNOTS...DIMINISHING TO 10 TO
15 KNOTS. CLOUDY THROUGH MID AFTERNOON...BECOMING PARTLY SUNNY. A
CHANCE OF LIGHT SHOWERS THROUGH EARLY AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTHWEST
BY MIDNIGHT...THEN BECOMING LIGHT AND VARIABLE LATE. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHEAST 15 TO
20 KNOTS BY MID AFTERNOON...THEN BECOMING EAST 10 TO 15 KNOTS
THROUGH MIDNIGHT. PARTLY SUNNY EARLY...BECOMING MOSTLY CLOUDY.
SHOWERS AND THUNDERSTORMS LIKELY BY MID AFTERNOON. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

SF

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


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