Great Lakes Forecast
Issued by NWS

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790
FZUS63 KDTX 241943
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT MON APR 24 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...RIDGE FROM THE HIGH PRESSURE SYSTEM CENTERED OVER HUDSON
BAY...AVERAGING AROUND 30.40 INCHES...WILL GRADUALLY GET SQUEEZED
OUT OF THE GREAT LAKES REGION BY WEDNESDAY. DEVELOPING LOW PRESSURE
OVER SOUTHERN STATES...AROUND 29.40 INCHES...WILL TRACK NORTHWARD
AND BRING ANOTHER ROUND OF UNSETTLED WEATHER TO THE AREA FOR
WEDNESDAY AND THURSDAY. POTENTIAL FOR THUNDERSTORMS AND GUSTY SOUTH
WINDS EXISTS DURING THIS PERIOD.

LCZ460-250815-
LAKE ST CLAIR-
343 PM EDT MON APR 24 2017

.TONIGHT...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10
KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2
FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 5
TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON...THEN BECOMING SOUTHWEST 10 TO 15 KNOTS IN THE
EVENING. PARTLY SUNNY BECOMING MOSTLY CLOUDY IN THE AFTERNOON AND
EVENING BECOMING PARTLY CLOUDY. A CHANCE OF UNTIL LATE AFTERNOON. A
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY. WAVES 2 FEET OR LESS.

$$

SF

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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