Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 281345
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 AM EDT THU APR 28 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 OF 30.40 INCHES WILL REMAIN ANCHORED OVER
CANADA THROUGH THE WEEKEND. LOW PRESSURE OF 29.70 INCHES WILL TRACK
ACROSS THE OHIO VALLEY LATE TODAY INTO TONIGHT WITH ANOTHER LOW THEN
MOVING INTO THE OHIO VALLEY AND SOUTHERN GREAT LAKES SATURDAY NIGHT
INTO SUNDAY. SURFACE RIDGING ON THE SOUTHERN EDGE OF THE HIGH WILL
BUILD BACK INTO THE CENTRAL GREAT LAKES IN THE WAKE OF EACH OF THESE
LOW PRESSURE SYSTEMS.

LCZ460-282015-
LAKE ST CLAIR-
945 AM EDT THU APR 28 2016

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

$$

SF

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



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