Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 201413
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1000 AM 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...NORTHERN LAKE HURON CENTERED LOW PRESSURE SYSTEM OF
29.70 INCHES WILL CONTINUE TO ADVANCE SOUTHEAST...WITH IT AND ITS
ASSOCIATED COLD FRONT CROSSING LAKE HURON AND LAKE ST. CLAIR TODAY
THROUGH TONIGHT. INITIAL AT TIMES GUSTY SOUTHWEST WINDS WILL QUICKLY
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.

LCZ460-202015-
LAKE ST CLAIR-
1000 AM EDT MON OCT 20 2014

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE. LIGHT SHOWERS LIKELY. CLOUDY. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 1 TO 3 FEET.
.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 1 TO 3 FEET.
.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. PARTLY SUNNY...BECOMING
MOSTLY SUNNY BY MID AFTERNOON...BECOMING CLEAR. WAVES 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.

$$

MSB

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






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