Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 171958 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
357 PM EDT SUN JUL 17 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 LOW PRESSURE SYSTEM...AVERAGING 29.50 INCHES...WILL
TRACK THROUGH THE NORTHERN GREAT LAKES REACHING QUEBEC LATER
TONIGHT. THIS SYSTEM WILL PUSH A COLD FRONT SLOWLY THROUGH THE
REGION LATE TONIGHT INTO MONDAY MORNING. THE NEXT HIGH PRESSURE
SYSTEM WILL THEN BUILD ACROSS THE AREA THROUGH THE MIDDLE OF THE
WEEK.

LCZ460-180800-
LAKE ST CLAIR-
357 PM EDT SUN JUL 17 2016

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT...THEN DIMINISHING TO 10 TO 15 KNOTS LATE.
PARTLY CLOUDY EARLY THIS EVENING...BECOMING MOSTLY CLOUDY OVERNIGHT.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY THROUGH EARLY
AFTERNOON...THEN CLEARING. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS BY MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS LATE. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND
VARIABLE OVERNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. SUNNY THROUGH MID
AFTERNOON...BECOMING MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

HLO

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



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