Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 210806
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
406 AM EDT MON JUL 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...HIGH PRESSURE...30.10 INCHES...WILL SLOWLY MOVE FROM THE
CENTRAL LAKES REGION TO THE EAST COAST BY TUESDAY. A SLOW MOVING
FRONTAL BOUNDARY WILL TRACK ACROSS THE NORTHERN PLAINS AND UPPER
MIDWEST ON TODAY AND TUESDAY. THIS COLD FRONT WILL THEN ADVANCE
ACROSS LAKE HURON AND THE EASTERN GREAT LAKES REGION TUESDAY NIGHT
INTO WEDNESDAY.

LCZ460-212000-
LAKE ST CLAIR-
406 AM EDT MON JUL 21 2014

.TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO 10 KNOTS
LATE. SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS
BY LATE MORNING. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE. PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS...THEN PARTLY CLOUDY THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.

$$

CB

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






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