Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 201945
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT FRI MAY 20 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...HIGH PRESSURE...30.10 INCHES...WILL CONTINUE TO HOLD
OVER MOST OF THE GREAT LAKES REGION THROUGH THE WEEKEND.  WEAKER LOW
PRESSURE...AVERAGING 29.80 INCHES...DOES TRY TO WORK UP INTO
SOUTHEAST PORTIONS OF THE GREAT LAKES ON SATURDAY.  HIGH PRESSURE
THEN MAKES A RETURN TO THE AREA ON SUNDAY AND INTO THE BEGINNING OF
NEXT WEEK.

LCZ460-210800-
LAKE ST CLAIR-
345 PM EDT FRI MAY 20 2016

.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO 10 KNOTS
BY MIDNIGHT...THEN BECOMING LIGHT AND VARIABLE LATE. MOSTLY CLOUDY.
A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO
10 KNOTS LATE. MOSTLY CLEAR. WAVES NEARLY CALM.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH BY
MID AFTERNOON. CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

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



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