Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 170246
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
946 PM EST TUE DEC 16 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...AVERAGING 29.70 INCHES...OVER THE EASTERN
GREAT LAKES WILL TRACK TOWARD THE NORTH ATLANTIC STATES BY
WEDNESDAY. A LINGERING SURFACE TROUGH WILL REMAIN ACROSS THE CENTRAL
GREAT LAKES THROUGH WEDNESDAY. HIGH PRESSURE...AVERAGING 30.30
INCHES...WILL THEN BE IN PLACE THROUGH THE END OF THE WEEK.

LCZ460-170930-
LAKE ST CLAIR-
946 PM EST TUE DEC 16 2014

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

.REST OF TONIGHT...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS THIS EVENING. GUST TO 25 KNOTS OVERNIGHT. CLOUDY. LIGHT
SHOWERS LIKELY...THEN A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES
2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. FLURRIES.
WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE
OF LIGHT SNOW SHOWERS. WAVES NEARLY CALM.
.SUNDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF LIGHT
SNOW SHOWERS. WAVES 2 FEET OR LESS.

$$

MR

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



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