Great Lakes Forecast
Issued by NWS

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290
FZUS63 KDTX 180250 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 PM EST TUE JAN 17 2017

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 CONTINUE TO MOVE
ACROSS THE CENTRAL GREAT LAKES TODAY BEFORE MOVING INTO THE LAKE
ONTARIO REGION TONIGHT.  HIGH PRESSURE...30.20 INCHES...WILL THEN
EXPAND INTO THE OHIO VALLEY AND SOUTHERN GREAT LAKES REGION ON
WEDNESDAY AND WILL INFLUENCE THE REGION INTO THURSDAY.

LCZ460-180900-
LAKE ST CLAIR-
945 PM EST TUE JAN 17 2017

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS. CLOUDY WITH A CHANCE OF
LIGHT RAIN.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON
BECOMING LIGHT AND VARIABLE. PARTLY SUNNY.
.THURSDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF RAIN.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF RAIN
AND SNOW.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES



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