Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 232102
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
402 PM EST MON FEB 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 WILL WEAKEN TO 30.60 INCHES AS IT BECOMES
CENTERED OVER THE OHIO VALLEY THIS EVENING. LOW PRESSURE WILL THEN
TRACK THROUGH FAR NORTHERN ONTARIO TONIGHT AND TUESDAY. THIS WILL
PUSH ANOTHER ARCTIC COLD FRONT DOWN ACROSS THE CENTRAL GREAT LAKES
TUESDAY NIGHT.

LCZ460-232215-
LAKE ST CLAIR-
402 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS. SUNNY.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. MOSTLY CLEAR.
.TUESDAY...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
INCREASING TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES BY LATE MORNING...
THEN DIMINISHING TO 15 TO 20 KNOTS LATE. MOSTLY CLOUDY EARLY...THEN A
CHANCE OF LIGHT SNOW SHOWERS LATE IN THE MORNING. CLOUDY WITH LIGHT
SNOW SHOWERS LIKELY BY AFTERNOON. A GALE WARNING MAY BE NEEDED.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SNOW SHOWERS IN THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE NORTHEAST BY
EVENING. MOSTLY CLEAR.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

CB

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


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