Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 290148
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 PM EDT TUE MAR 28 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...30.40 INCHES WILL BUILD ACROSS NORTHERN
ONTARIO THROUGH TONIGHT. THIS HIGH WILL STRENGTHEN TO 30.60 INCHES
BY WEDNESDAY BEFORE DRIFTING TO QUEBEC BY THURSDAY. LOW PRESSURE IS
FORECAST TO LIFT INTO THE OHIO VALLEY FROM THE SOUTHERN PLAINS ON
THURSDAY...THEN DRIFT ACROSS THE EASTERN GREAT LAKES ON FRIDAY.

LCZ460-290800-
LAKE ST CLAIR-
947 PM EDT TUE MAR 28 2017

.REST OF TONIGHT...NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 2 FEET
OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO 10
KNOTS EARLY IN THE AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5
TO 10 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
EAST 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 2
FEET OR LESS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN IN THE
MORNING...THEN LIGHT RAIN LIKELY IN THE AFTERNOON. WAVES 1 TO 3
FEET.
.THURSDAY NIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO 10
KNOTS. RAIN. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO 15 KNOTS
IN THE AFTERNOON AND EVENING. MOSTLY CLOUDY. RAIN LIKELY UNTIL LATE
AFTERNOON...THEN A CHANCE OF LIGHT RAIN EARLY IN THE EVENING. WAVES
2 FEET OR LESS.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

DG

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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