Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 051403
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1003 AM EDT THU MAY 5 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...WEAKENING LOW PRESSURE...AVERAGING 29.60 INCHES...
WILL CONTINUE TO RAPIDLY LIFT FROM THE OHIO VALLEY TO THE EAST
COAST TODAY. HIGH PRESSURE...AVERAGING 29.90 INCHES...CENTERED
OVER THE UPPER MISSISSIPPI VALLEY WILL SETTLE INTO THE CENTRAL
GREAT LAKES TONIGHT. THIS HIGH WILL REMAIN OVER THE REGION THROUGH
FRIDAY. LOW PRESSURE TRACKING ACROSS SOUTHERN ONTARIO WILL THEN
SEND THE NEXT COLD FRONT THROUGH THE REGION ON SATURDAY.

LCZ460-052045-
LAKE ST CLAIR-
1003 AM EDT THU MAY 5 2016

.REST OF TODAY...NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY.
WAVES 2 FEET OR LESS.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 10 TO 15 KNOTS...VEERING TO THE NORTHWEST BY
MID AFTERNOON...THEN BECOMING NORTH 5 TO 10 KNOTS THROUGH MIDNIGHT.
MOSTLY CLOUDY WITH LIGHT SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS...THEN PARTLY CLOUDY THROUGH MIDNIGHT. WAVES 2 FEET OR
LESS.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.

$$

BT

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



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