Great Lakes Forecast
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FZUS63 KDTX 171937
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 PM 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...29.80 INCHES WILL CONTINUE TO PUSH FROM
SOUTHERN MANITOBA TO THE THUMB OF THE LOWER PENINSULA BY SATURDAY
MORNING...WEAKENING SLIGHTLY TO 29.90 INCHES AS IT TRAVELS
SOUTHEAST. HIGH PRESSURE...30.40 INCHES...WILL THEN TRAVEL EAST FROM
THE CENTRAL PLAINS INTO THE OHIO VALLEY. THE NEXT CHANCE FOR
PRECIPITATION WILL ENTER ON MONDAY AS LOW PRESSURE...29.90
INCHES...TRAVELS FROM SOUTHERN ALBERTA TO THE HUDSON BAY...DRAGGING
A COLD FRONT WITH IT ACROSS THE GREAT LAKES.

LCZ460-180815-
LAKE ST CLAIR-
337 PM EDT FRI MAR 17 2017

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS EARLY IN THE MORNING. RAIN AND SNOW.
.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.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT RAIN EARLY IN THE EVENING.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON BECOMING
LIGHT AND VARIABLE. PARTLY SUNNY.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10
KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTHWEST IN
THE EVENING. PARTLY SUNNY EARLY IN THE MORNING BECOMING MOSTLY
CLOUDY. A CHANCE OF LIGHT RAIN.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES


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