Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 281351
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
950 AM EDT SUN JUN 28 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...29.60 INCHES...NEAR BUFFALO WILL SLOW
EXIT EAST OF THE REGION TODAY. WEAK SURFACE RIDGING WILL BUILD INTO
THE CENTRAL GREAT LAKES IN THE WAKE OF THE POTENT STORM SYSTEM...AND
LINGER THROUGH MONDAY MORNING. THE NEXT LOW PRESSURE SYSTEM...29.80
INCHES...WILL LIFT THROUGH SOUTHERN LOWER MICHIGAN TUESDAY EVENING
AND NIGHT.

LCZ460-282000-
LAKE ST CLAIR-
950 AM EDT SUN JUN 28 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS
BY LATE MORNING. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTHWEST
BY MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS BY LATE MORNING. PARTLY SUNNY THROUGH MID AFTERNOON...
BECOMING CLOUDY. A CHANCE OF LIGHT SHOWERS BY LATE MORNING. LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
2 FEET OR LESS.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY MIDNIGHT...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS LATE.
SHOWERS AND A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT...THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3
FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.TUESDAY...WEST WINDS 20 TO 25 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS BY MID AFTERNOON...THEN VEERING TO THE NORTHWEST THROUGH
MIDNIGHT. MOSTLY CLOUDY EARLY...THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

MANN

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



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