Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 231938
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 PM EDT THU APR 23 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...HIGH PRESSURE...30.10 INCHES...WILL BUILD INTO LAKE
HURON THROUGH FRIDAY...AND MORE OR LESS HOLD AS STRONGER HIGH
PRESSURE BUILDS OVER ONTARIO OVER THE WEEKEND. MEANWHILE...LOW
PRESSURE WILL TRACK ALONG THE OHIO RIVER.

LCZ460-240815-
LAKE ST CLAIR-
338 PM EDT THU APR 23 2015

.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS WITH GUSTS TO 20 KNOTS...DIMINISHING
TO 5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THROUGH
MIDNIGHT...THEN CLEARING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE MORNING. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS BY LATE
MORNING. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN PARTLY CLOUDY AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
THROUGH MIDNIGHT. PARTLY SUNNY THROUGH EARLY AFTERNOON...BECOMING
MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 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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