Great Lakes Forecast
Issued by NWS

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574
FZUS63 KDTX 280146
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
946 PM EDT SAT MAY 27 2017

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...HIGH PRESSURE...29.90 INCHES...OVER THE CENTRAL GREAT
LAKES WILL MOVE EASTWARD TONIGHT BECOMING CENTERED OVER NEW ENGLAND
BY SUNDAY MORNING. AN AREA OF LOW PRESSURE...DEEPENING TO 29.60
INCHES...WILL THEN LIFT ACROSS THE AREA ON SUNDAY. THIS WILL BRING A
ROUND OF SHOWERS AND THUNDERSTORMS AND DRAG A COLD FRONT ACROSS THE
AREA SUNDAY EVENING.

LCZ460-280815-
LAKE ST CLAIR-
946 PM EDT SAT MAY 27 2017

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. LIGHT SHOWERS AND
THUNDERSTORMS LIKELY LATE IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHWEST
AFTER MIDNIGHT...THEN BECOMING WEST 10 TO 15 KNOTS EARLY IN THE
MORNING. MOSTLY CLOUDY UNTIL EARLY MORNING BECOMING PARTLY CLOUDY.
THUNDERSTORMS LIKELY IN THE EVENING. SHOWERS LIKELY UNTIL EARLY
MORNING...THEN A CHANCE OF LIGHT SHOWERS EARLY IN THE MORNING. WAVES
2 FEET OR LESS.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. A CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN A CHANCE OF LIGHT SHOWERS
IN THE LATE EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO 20
KNOTS IN THE AFTERNOON AND EVENING. MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

SC

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES



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