Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 191946
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
346 PM EDT SUN MAR 19 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 OF 30.40 INCHES WILL SLOWLY WEAKEN AS
IT SETTLES SOUTHEAST OF THE REGION TONIGHT. LOW PRESSURE OF 28.80
INCHES WILL THEN MOVE OVER OVER HUDSON BAY AND FORCE A COLD FRONT
THROUGH THE AREA ON MONDAY. IN THE WAKE OF THIS FRONT...A LARGE AREA
OF HIGH PRESSURE AT 30.70 INCHES WILL GRADUALLY SETTLE INTO THE
GREAT LAKES THROUGH THE MIDDLE OF NEXT WEEK.



DG

LCZ460-200815-
LAKE ST CLAIR-
346 PM EDT SUN MAR 19 2017

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. LIGHT RAIN
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND
AFTERNOON. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLOUDY WITH RAIN LIKELY
AND A CHANCE OF THUNDERSTORMS EARLY IN THE EVENING...THEN PARTLY
CLOUDY IN THE LATE EVENING AND OVERNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING LIGHT
AND VARIABLE...THEN...BECOMING WEST 5 TO 10 KNOTS LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...BECOMING NORTH
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING. MOSTLY SUNNY IN THE MORNING...BECOMING
CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE
OF SNOW AND RAIN. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. RAIN AND SNOW. WAVES
2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DRK

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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