Great Lakes Forecast
Issued by NWS

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701
FZUS63 KDTX 200143
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 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.

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

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2
FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. SCATTERED LIGHT
SHOWERS EARLY IN THE MORNING...THEN NUMEROUS LIGHT SHOWERS AND
SCATTERED 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 NUMEROUS
SHOWERS AND SCATTERED 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.

$$

SC

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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