Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 290744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT WED MAR 29 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...30.50 INCHES...WILL TRACK FROM NORTHERN
ONTARIO TO QUEBEC ON THURSDAY. MEANWHILE...LOW PRESSURE OF 29.50
INCHES...WILL MOVE FROM THE SOUTHERN PLAINS TODAY TO THE MID
MISSISSIPPI VALLEY ON THURSDAY. THIS LOW WILL THEN LIFT ACROSS THE
EASTERN GREAT LAKES ON FRIDAY...WEAKENING AS IT HEADS EAST OF THE
REGION FRIDAY NIGHT.

LCZ460-292015-
LAKE ST CLAIR-
344 AM EDT WED MAR 29 2017

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10
KNOTS AFTER MIDNIGHT...THEN BECOMING EAST 10 TO 15 KNOTS EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS LATE IN THE
AFTERNOON. A CHANCE OF LIGHT RAIN IN THE MORNING...THEN LIGHT RAIN
IN THE AFTERNOON. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
.THURSDAY NIGHT...EAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. RAIN. WAVES 1 TO 3
FEET.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH IN THE
EVENING. RAIN...THEN A CHANCE OF LIGHT RAIN LATE IN THE EVENING.
WAVES 2 FEET OR LESS.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

DRK

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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