Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 161347
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 AM EDT TUE MAY 16 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...A WARM FRONT TO LIFT NORTHEAST THROUGH THE REGION TODAY.
THIS FRONT WILL CLEAR NORTHERN LAKE HURON BY LATE THIS EVENING AS
LOW PRESSURE LIFTS FROM THE UPPER MISSISSIPPI VALLEY INTO ONTARIO.
THE NEXT LOW PRESSURE SYSTEM...29.60 INCHES...WILL THEN LIFT FROM
THE CENTRAL PLAINS INTO THE WESTERN GREAT LAKES FROM WEDNESDAY INTO
THURSDAY WHILE THE AFOREMENTIONED FRONTAL BOUNDARY REMAINS STALLED
NORTH OF THE AREA.

LCZ460-162030-
LAKE ST CLAIR-
947 AM EDT TUE MAY 16 2017

.REST OF TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS VEERING TO THE SOUTH
LATE IN THE AFTERNOON. PARTLY SUNNY. A CHANCE OF LIGHT SHOWERS LATE
IN THE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO 20
KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20
KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 10 TO 15 KNOTS IN THE
EVENING. PARTLY SUNNY UNTIL LATE AFTERNOON BECOMING MOSTLY CLEAR.
WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2
FEET OR LESS.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

SF

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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