Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 232042
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EST MON JAN 23 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...WEAK HIGH PRESSURE...29.80 INCHES...WILL SETTLE OVER THE
GREAT LAKES REGION TONIGHT THROUGH TUESDAY AFTERNOON. LOW
PRESSURE...29.30 INCHES...WILL THEN PUSH IN FROM THE CENTRAL PLAINS
INTO MICHIGAN TUESDAY EVENING THROUGH WEDNESDAY. THURSDAY AND INTO
THE WEEKEND...HIGHER PRESSURE WILL BUILD BACK INTO THE REGION...AND
IS EXPECTED TO HOLD STEADY AT 29.90 INCHES.

LCZ460-240915-
LAKE ST CLAIR-
342 PM EST MON JAN 23 2017

.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY THIS EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. CLOUDY WITH SCATTERED LIGHT
SHOWERS. AREAS OF FOG. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS. CLOUDY. AREAS OF FOG IN THE
MORNING. WAVES NEARLY CALM.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT RAIN. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF
LIGHT RAIN IN THE EVENING...THEN A CHANCE OF LIGHT RAIN AND SNOW
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
SNOW. WAVES 2 FEET OR LESS.
.SATURDAY...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.

$$

SF

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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