Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 281946
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
346 PM EDT SUN MAY 28 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...LOW PRESSURE WILL LIFT ACROSS MICHIGAN THIS AFTERNOON
AND INTO ONTARIO TONIGHT AS IT DEEPENS TO 29.60 INCHES. THIS WILL
BRING A ROUND OF SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT
THAT WILL SWEEP ACROSS THE AREA THIS EVENING. CONDITIONS WILL THEN
BECOME BREEZY AND UNSETTLED MEMORIAL DAY AND TUESDAY AS LOW PRESSURE
BECOMES STALLED OVER NORTHERN ONTARIO.

LCZ460-290815-
LAKE ST CLAIR-
346 PM EDT SUN MAY 28 2017

...SEVERE THUNDERSTORM WATCH 292 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY UNTIL EARLY MORNING
BECOMING PARTLY CLOUDY. NUMEROUS SHOWERS AND THUNDERSTORMS THIS
EVENING. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS...AND LARGE HAIL
EARLY IN THE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. PARTLY SUNNY. 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 IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO 15
KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 2
FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY THEN CLEARING.
WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. 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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