Great Lakes Forecast
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FZUS63 KDTX 170823
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
416 AM EDT FRI MAR 17 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...WILL PUSH FROM SOUTHERN
MANITOBA INTO THE LOWER PENINSULA TONIGHT AND INTO SATURDAY
MORNING...WEAKENING TO 29.90 INCHES AS IT TRAVELS SOUTHEAST. HIGH
PRESSURE...30.40 INCHES...WILL THEN PUSH FROM THE CENTRAL PLAINS
INTO THE OHIO VALLEY BY SUNDAY. THAT HIGH PRESSURE WILL MOVE TO THE
EAST AS A COLD FRONT SWINGS THROUGH THE GREAT LAKES ON MONDAY.

LCZ460-172000-
LAKE ST CLAIR-
416 AM EDT FRI MAR 17 2017

.TODAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. SNOW AND RAIN LATE IN THE
AFTERNOON. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS EARLY IN THE MORNING. SNOW IN THE EVENING. RAIN. A CHANCE
OF LIGHT SNOW AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF LIGHT RAIN
AND SNOW UNTIL LATE AFTERNOON,...THEN A CHANCE OF LIGHT RAIN LATE IN
THE AFTERNOON. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY UNTIL
EARLY MORNING...BECOMING PARTLY CLOUDY. A CHANCE OF LIGHT RAIN EARLY
IN THE EVENING. WAVES 2 FEET OR LESS.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING LIGHT
AND VARIABLE...THEN...BECOMING SOUTH 5 TO 10 KNOTS IN THE EVENING.
MOSTLY CLOUDY EARLY IN THE MORNING...BECOMING PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. LIGHT RAIN
LIKELY. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. 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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