Great Lakes Forecast
Issued by NWS

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910
FZUS63 KDTX 251351
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
946 AM EDT WED MAY 25 2016

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 COLD FRONT WILL SETTLE TOWARD THE SOUTH END OF LAKE
HURON TODAY AND THEN RETURN NORTHWARD INTO NORTHERN ONTARIO
THURSDAY. MARINE WIND WILL REMAIN LIGHT DURING THIS TIME WHILE
SHOWER AND THUNDERSTORM ACTIVITY BECOMES MORE FREQUENT. LIGHT SOUTH
WIND WILL THEN PERSIST FRIDAY INTO SATURDAY AND RAIN ACTIVITY WILL
BE LESS ORGANIZED WITH THE FRONT NORTH OF THE REGION. THE NEXT LOW
PRESSURE SYSTEM IS DUE IN THE MIDWEST SATURDAY AT 29.70 INCHES WHICH
IS EXPECTED TO TRACK THROUGH THE WESTERN GREAT LAKES INTO NORTHERN
ONTARIO BY SUNDAY.

LCZ460-252000-
LAKE ST CLAIR-
946 AM EDT WED MAY 25 2016

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH
10 TO 15 KNOTS BY MID AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE
EVENING...THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

CB

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



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