Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 230246
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 PM EST SUN JAN 22 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...29.70 INCHES...CONTINUES TO HOLD STEADY
OVER THE GREAT LAKES REGION SUNDAY THROUGH TUESDAY. A SLIGHTLY
STRONGER LOW PRESSURE SYSTEM...29.40 INCHES...WILL PUSH FROM THE
CENTRAL PLAINS INTO MICHIGAN TUESDAY EVENING THROUGH WEDNESDAY.
HIGHER PRESSURE WILL THEN SLOWLY CREEP BACK IN BEHIND THE LOW ON
THURSDAY...AND INTO THE WEEKEND.

LCZ460-230900-
LAKE ST CLAIR-
945 PM EST SUN JAN 22 2017

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

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO
10 KNOTS THIS EVENING. CLOUDY. AREAS OF DENSE FOG THIS EVENING.
AREAS OF DRIZZLE. WIDESPREAD DENSE FOG LATE. WAVES 2 FEET OR LESS.
.MONDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WIDESPREAD DENSE FOG EARLY.
LIGHT RAIN. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS MAINLY BEFORE MIDNIGHT
BECOMING LIGHT AND VARIABLE OVERNIGHT. CLOUDY. A CHANCE OF LIGHT
RAIN EARLY IN THE EVENING...THEN A CHANCE OF LIGHT RAIN AND SNOW BY
LATE EVENING. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS. CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT RAIN AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS BY EVENING. CLOUDY. A CHANCE OF LIGHT RAIN...THEN A CHANCE
OF RAIN AND SNOW BY EVENING. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF SNOW AND RAIN. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
SNOW. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

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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