Great Lakes Forecast
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000
FZUS63 KDTX 280245
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 PM 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.

LCZ460-280915-
LAKE ST CLAIR-
945 PM EST MON FEB 27 2017

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF LIGHT
SHOWERS UNTIL LATE AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15
TO 20 KNOTS AFTER MIDNIGHT. LIGHT RAIN AND A CHANCE OF
THUNDERSTORMS. RAIN MAY BE HEAVY AT TIMES AFTER MIDNIGHT. WAVES 1
TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHWEST
LATE IN THE AFTERNOON. RAIN AND A CHANCE OF THUNDERSTORMS EARLY IN
THE MORNING...THEN RAIN IN THE LATE MORNING AND AFTERNOON. WAVES 2
FEET OR LESS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.
LIGHT RAIN LIKELY EARLY IN THE EVENING. LIGHT SNOW LIKELY UNTIL
EARLY MORNING...THEN A CHANCE OF LIGHT SNOW EARLY IN THE MORNING.
WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO 10
KNOTS IN THE AFTERNOON AND EVENING. PARTLY CLOUDY WITH A CHANCE OF
LIGHT SNOW. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A
CHANCE OF SNOW AND RAIN. WAVES 2 FEET OR LESS.

$$

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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