Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 180134
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
932 PM EDT SUN AUG 17 2014

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 30.10 INCHES WILL BUILD SLOWLY EAST
FROM THE NORTHERN GREAT LAKES AND ONTARIO TONIGHT INTO QUEBEC BY
LATE MONDAY AND MONDAY NIGHT. A LOW PRESSURE SYSTEM WILL THEN TRACK
INTO THE WESTERN GREAT LAKES ON TUESDAY...WOBBLING SLOWLY EAST
THROUGH THE REST OF THE GREAT LAKES FROM WEDNESDAY INTO THURSDAY.

LCZ460-180800-
LAKE ST CLAIR-
932 PM EDT SUN AUG 17 2014

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING EAST 5
TO 10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY LATE MORNING. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE
SOUTH LATE. PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

SC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)





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