Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220148
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 PM EDT FRI APR 21 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...AROUND 30.20 INCHES...WILL BUILD OVER THE GREAT
LAKES REGION THROUGH THE WEEKEND. THIS WILL BRING COOL DRY AIR TO
THE AREA ALONG WITH FAIRLY LIGHT NORTHWEST TO NORTHEAST WIND.

LCZ460-220815-
LAKE ST CLAIR-
948 PM EDT FRI APR 21 2017

.REST OF TONIGHT...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY IN THE
LATE EVENING AND EARLY MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS
LATE IN THE MORNING...THEN INCREASING TO 10 TO 15 KNOTS EARLY IN THE
AFTERNOON BECOMING NORTHEAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE. SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO 10
KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 2 FEET OR
LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. SUNNY BECOMING MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2
FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH 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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