Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 181335
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
934 AM EDT MON AUG 18 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 OF 30.00 INCHES WILL RETREAT EASTWARD
TODAY ALLOWING A BROAD LOW PRESSURE SYSTEM TO BUILD INTO THE GREAT
LAKES REGION. THE SURFACE LOW...AT 29.80 INCHES...WILL BE SLOW
MOVING EXPECTED TO CENTER OVER THE SOUTHERN LAKE MICHIGAN BASIN BY
MIDDAY WEDNESDAY.

LCZ460-182000-
LAKE ST CLAIR-
934 AM EDT MON AUG 18 2014

.REST OF TODAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
2 FEET OR LESS.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY LATE MORNING. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING...BECOMING LIGHT AND VARIABLE OVERNIGHT. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

JVC

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





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