Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 301955
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
355 PM EDT SAT MAY 30 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 COLD FRONT...29.90 INCHES...WILL MOVE SOUTH ACROSS THE
GREAT LAKES THROUGH TONIGHT. DEVELOPING LOW PRESSURE OVER
MISSOURI...29.80 INCHES...WILL THEN TRACK ALONG THIS FRONT AND
ACROSS THE OHIO VALLEY ON SUNDAY.  MEANWHILE...HIGH PRESSURE...30.40
INCHES...WILL BUILD ACROSS LAKE SUPERIOR ON SUNDAY. THIS HIGH WILL
MOVE INTO LOWER MICHIGAN BY MONDAY AS THE LOW LIFTS OFF TO THE EAST.

LCZ460-310815-
LAKE ST CLAIR-
355 PM EDT SAT MAY 30 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH SUNDAY EVENING...

.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. THUNDERSTORMS AND PERIODS
OF SHOWERS THROUGH MIDNIGHT...THEN PERIODS OF SHOWERS AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THROUGH
MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY LATE MORNING...THEN DIMINISHING TO 15 TO 20 KNOTS BY MID
AFTERNOON. RAIN. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF
LIGHT SHOWERS EARLY IN THE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE EAST
THROUGH MIDNIGHT. MOSTLY SUNNY...BECOMING CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

MR

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


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