Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 210754
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 AM EDT SUN AUG 21 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...LOW PRESSURE 29.20 INCHES NORTH OF LAKE HURON WILL
CONTINUE TO MOVE NORTHEAST WHILE A TRAILING SURFACE TROUGH SWEEPS
THROUGH THIS AFTERNOON.  HIGH PRESSURE 30.10 INCHES WILL MOVE
THROUGH THE REGION TONIGHT.

LCZ460-212000-
LAKE ST CLAIR-
351 AM EDT SUN AUG 21 2016

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...WEST WINDS 15 TO 20 KNOTS. PARTLY SUNNY. A CHANCE OF
WATERSPOUTS. A CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON.
WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS EARLY IN THE EVENING...THEN PARTLY CLOUDY BY MIDNIGHT. A
CHANCE OF WATERSPOUTS. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT AND
VARIABLE. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.

$$

CB

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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



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