Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 171943
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EDT FRI OCT 17 2014

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...LOW PRESSURE AVERAGING 29.40 INCHES WILL IS MOVING
ACROSS THE GREAT LAKES TODAY.  THIS LOW WILL QUICKLY SHIFT INTO
QUEBEC TONIGHT.  HIGH PRESSURE OF 30.20 INCHES WILL THEN BUILD
INTO THE REGION THROUGH THE LATTER HALF OF THE WEEKEND.  THE NEXT
LOW PRESSURE SYSTEM TRACKS ACROSS LOWER MICHIGAN ON MONDAY.

LCZ460-180800-
LAKE ST CLAIR-
342 PM EDT FRI OCT 17 2014

.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS
THROUGH MIDNIGHT...THEN A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT.
CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS...BECOMING NORTH 10 TO
15 KNOTS LATE. CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO
3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY
EARLY IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. WAVES
2 FEET OR LESS.
.SUNDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS THROUGH MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS.
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.

$$

JVC

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






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