Great Lakes Forecast
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000
FZUS63 KDTX 210219
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1019 PM EDT MON OCT 20 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...CENTRAL LAKE HURON CENTERED LOW PRESSURE SYSTEM WILL
CONTINUE TO ADVANCE SOUTHEAST...WITH IT AND ITS ASSOCIATED COLD
FRONT CROSSING LAKE HURON AND LAKE ST. CLAIR THIS EVENING. WINDS
WILL CONTINUE TO VEER NORTHWEST AFTER FRONTAL PASSAGE...WITH WINDS
FURTHER VEERING TO NORTH AND NORTHEAST LATER TONIGHT AND TUESDAY.
HIGH PRESSURE WILL THEN BUILD INTO THE REGION TUESDAY NIGHT AND LAST
THROUGH THE END OF THE WORK WEEK...BRINGING AN EXTENDED PERIOD OF
DRY WEATHER AND MAINLY LIGHT WINDS.

&&

LCZ460-210815-
LAKE ST CLAIR-
1019 PM EDT MON OCT 20 2014

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY LATE MORNING. LIGHT SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF LIGHT SHOWERS BY MID AFTERNOON. CLOUDY.
WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY THROUGH MIDNIGHT...BECOMING
PARTLY CLOUDY OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS
LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY...BECOMING
SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

99

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





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