Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 271345
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 AM EDT FRI MAY 27 2016

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...THE WESTERN EXTENT OF A LARGE AREA OF SURFACE HIGH
PRESSURE CENTERED OFF THE EAST COAST WILL EXPAND INTO THE CENTRAL
GREAT LAKES TODAY AND SATURDAY. THIS WILL KEEP A WARM AND HUMID
AIRMASS OVER THE AREA...MAINTAINING CHANCES FOR SHOWERS AND
THUNDERSTORMS. WEAK LOW PRESSURE...29.70 INCHES...WILL MOVE
THROUGH THE UPPER MIDWEST SATURDAY NIGHT AND INTO THE NORTHERN
GREAT LAKES ON SUNDAY. THIS WILL BRING A BETTER CHANCE FOR
THUNDERSTORMS OVER THE AREA SUNDAY AFTERNOON AND EVENING AS A WEAK
COLD FRONT PUSHES ACROSS THE AREA.

LCZ460-272015-
LAKE ST CLAIR-
945 AM EDT FRI MAY 27 2016

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST
10 TO 15 KNOTS LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON. PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY THROUGH
MIDNIGHT...BECOMING PARTLY CLOUDY OVERNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
THROUGH MIDNIGHT. PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.

$$

SF

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



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