Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 300200
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1000 PM EDT FRI MAY 29 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 MOVING THROUGH CANADA WILL DRAG A SURFACE
TROUGH...AVERAGING 29.80 INCHES...ACROSS THE WESTERN AND CENTRAL
GREAT LAKES TONIGHT. THIS WILL PULL A STRONG COLD FRONT ACROSS
THE AREA LATE TONIGHT AND SATURDAY...ALLOWING GUSTY WINDS TO
DEVELOP LATE TONIGHT THROUGH SUNDAY. HIGH PRESSURE WILL BUILD INTO
THE GREAT LAKES ON SUNDAY AND MONDAY.

LCZ460-300815-
LAKE ST CLAIR-
1000 PM EDT FRI MAY 29 2015

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. A CHANCE OF THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY EARLY AFTERNOON...THEN VEERING TO THE NORTH LATE.
SHOWERS LIKELY THROUGH EARLY AFTERNOON. THUNDERSTORMS LIKELY. WAVES
2 FEET OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES 2 FEET
OR LESS.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS THROUGH MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

BT

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



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