Great Lakes Forecast
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FZUS63 KDTX 271459
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
956 AM EST MON FEB 27 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...HIGH PRESSURE...30.20 INCHES...WILL BUILD OVER THE
CENTRAL GREAT LAKES TODAY AND THEN MOVE EAST TONIGHT. LIGHT TO
MODERATE SOUTH WIND WILL THEN BRING MILDER AIR BACK INTO THE REGION
AHEAD OF THE NEXT LOW PRESSURE SYSTEM...29.40 INCHES...THAT IS
PROJECTED TO MOVE OVER THE NORTHERN GREAT LAKES WEDNESDAY. MODERATE
NORTH WIND WILL BRING COLDER AIR BACK INTO THE REGION AS THE LOW
EXITS WEDNESDAY NIGHT. THE CENTRAL GREAT LAKES WILL THEN BE IN
BETWEEN WEAK PRESSURE SYSTEMS THURSDAY THROUGH FRIDAY.

LCZ460-272100-
LAKE ST CLAIR-
956 AM EST MON FEB 27 2017

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY...BECOMING
MOSTLY CLOUDY LATE IN THE EVENING...BECOMING PARTLY CLOUDY...
BECOMING MOSTLY CLOUDY EARLY IN THE MORNING. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. CLOUDY. LIGHT SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON,...THEN A CHANCE
OF LIGHT SHOWERS LATE IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 15 TO
20 KNOTS IN THE EVENING. A CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. RAIN. A CHANCE OF LIGHT SNOW IN THE EVENING. WAVES 2 FEET
OR LESS.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SNOW AND LIGHT RAIN. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

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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