Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 200110
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
910 PM EDT SUN APR 19 2015

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...LOW PRESSURE OF 29.50 INCHES WILL DEEPEN TO 29.10 INCHES
AS IT LIFTS NORTH FROM THE OHIO VALLEY THIS AFTERNOON THROUGH LOWER
MICHIGAN TONIGHT. THIS LOW WILL WILL CONTINUE INTO ONTARIO MONDAY
WITH A COLD FRONT SWEEPING EASTWARD ACROSS THE AREA IN ITS WAKE. THE
LOW WILL THEN STALL SOUTH OF HUDSON BAY AND SLOWLY WEAKEN DURING THE
FIRST PART OF NEXT WEEK.

LCZ460-200815-
LAKE ST CLAIR-
910 PM EDT SUN APR 19 2015

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.REST OF TONIGHT...EAST WINDS 15 TO 20 KNOTS...BECOMING SOUTHEAST
20 TO 25 KNOTS BY MIDNIGHT...THEN BECOMING SOUTH 15 TO 20 KNOTS
LATE. RAIN WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY MID AFTERNOON. MOSTLY CLOUDY. A
CHANCE OF LIGHT SHOWERS THROUGH EARLY AFTERNOON. A CHANCE OF
THUNDERSTORMS BY LATE MORNING. LIGHT SHOWERS LIKELY BY MID
AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET LATE.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. A CHANCE OF LIGHT
SHOWERS THROUGH MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 15 TO
20 KNOTS BY LATE MORNING. PARTLY SUNNY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS THROUGH MIDNIGHT. PARTLY SUNNY WITH A CHANCE OF LIGHT
SHOWERS...THEN PARTLY CLOUDY THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. 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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