Great Lakes Forecast
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175
FZUS63 KDTX 212112
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
403 PM EST SAT JAN 21 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...29.50 INCHES...WILL CONTINUE TO INFLUENCE
THE GREAT LAKES REGION THROUGHOUT THE REMAINDER OF THE WEEKEND.
PRESSURE WILL REMAIN FAIRLY CONSISTENT AT 29.50 INCHES FOR
THE FIRST HALF OF THE WEEK...BEFORE A STRONGER LOW PRESSURE
SYSTEM...29.20 INCHES...MOVES IN FROM THE CENTRAL PLAINS INTO
MICHIGAN BY WEDNESDAY.

LCZ460-220900-
LAKE ST CLAIR-
403 PM EST SAT JAN 21 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST SUNDAY...

.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. WIDESPREAD
DENSE FOG. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS.
CLOUDY. WIDESPREAD DENSE FOG IN THE MORNING. A CHANCE OF LIGHT RAIN
IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE EVENING. CLOUDY WITH LIGHT RAIN LIKELY. WAVES
2 FEET OR LESS.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS. CLOUDY WITH RAIN LIKELY.
WAVES 2 FEET OR LESS.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY LATE EVENING. CLOUDY. A CHANCE OF LIGHT RAIN AND SNOW IN
THE EVENING...THEN A CHANCE OF LIGHT SNOW AFTER MIDNIGHT. WAVES
2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY EVENING. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF RAIN AND SNOW. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

CB

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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



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