Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 020744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT SUN AUG 2 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 AVERAGING 29.60 INCHES WILL TRACK THROUGH
THE CENTRAL GREAT LAKES TONIGHT...TRIGGERING NUMEROUS SHOWERS AND
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE. HIGH PRESSURE OF 30.10
INCHES WILL THEN SLOWLY BUILD IN THROUGH WEDNESDAY.

LCZ460-022015-
LAKE ST CLAIR-
344 AM EDT SUN AUG 2 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS...INCREASING TO 15 TO 20
KNOTS WITH GUSTS TO 25 KNOTS. MOSTLY SUNNY. A CHANCE OF SHOWERS
AND THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
25 KNOTS...DIMINISHING TO 10 TO 15 KNOTS LATE. PARTLY CLOUDY WITH
SHOWERS AND THUNDERSTORMS LIKELY THROUGH MIDNIGHT...THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY LATE MORNING. PARTLY SUNNY WITH A CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
.MONDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS THROUGH MIDNIGHT. PARTLY CLOUDY...BECOMING MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.

$$

SF

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


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