Great Lakes Forecast
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261
FZUS63 KDTX 170736
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
336 AM EDT MON APR 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...HIGH PRESSURE...30.20 INCHES...WILL INFLUENCE THE GREAT
LAKES REGION THROUGHOUT MONDAY. HIGHER PRESSURE WILL HOLD IN PLACE
THROUGH MOST OF TUESDAY...BEFORE LOW PRESSURE...29.70
INCHES...TRAVELS FROM THE NORTH CENTRAL PLAINS INTO LAKE SUPERIOR BY
TUESDAY NIGHT. A SECOND LOW PRESSURE SYSTEM...29.50 INCHES...IS THEN
EXPECTED TO PUSH FROM THE CENTRAL PLAINS INTO LOWER MICHIGAN
WEDNESDAY INTO THURSDAY...BRINGING THE CHANCE FOR BOTH RAIN AND
THUNDERSTORMS.

LCZ460-172015-
LAKE ST CLAIR-
336 AM EDT MON APR 17 2017

.TODAY...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 10 TO 15 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10
KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO 15
KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY UNTIL
EARLY MORNING...THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS IN THE AFTERNOON...THEN VEERING TO THE NORTH IN THE EVENING.
CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 15 TO 20 KNOTS. CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.

$$

JVC

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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