Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 211354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT TUE OCT 21 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...29.80 INCHES...WILL TRACK FROM EASTERN
ONTARIO TO THE EAST COAST TODAY. THE PASSAGE OF THIS SYSTEM WILL
PUSH A COLD FRONT THROUGH THE REGION TODAY...BRINGING GUSTY WINDS. A
RIDGE OF HIGH PRESSURE WILL THEN BUILD OVER THE AREA FOR WEDNESDAY
AND THURSDAY...ALLOWING FOR CALMER CONDITIONS.

&&

LCZ460-212015-
LAKE ST CLAIR-
954 AM EDT TUE OCT 21 2014

.REST OF TODAY...NORTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY LATE MORNING. AREAS OF DRIZZLE LATE IN THE MORNING.
CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...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. MOSTLY 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. SUNNY...BECOMING MOSTLY
CLEAR. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

CB

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


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