Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 310158
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT SAT MAY 30 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 OVER ILLINOIS...29.80 INCHES...WILL TRACK
ALONG A COLD FRONT ACROSS THE OHIO VALLEY TONIGHT AND SUNDAY.
MEANWHILE...HIGH PRESSURE...30.40 INCHES...WILL BUILD ACROSS LAKE
SUPERIOR. STRONG WIND WILL DEVELOP OVER THE LAKES AS THIS HIGH
MOVES INTO LOWER MICHIGAN BY MONDAY.

LCZ460-310815-
LAKE ST CLAIR-
958 PM EDT SAT MAY 30 2015

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

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. PERIODS OF
SHOWERS AND A CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
BY LATE MORNING...THEN DIMINISHING TO 15 TO 20 KNOTS BY MID
AFTERNOON. RAIN. WAVES 2 OT 4 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF
LIGHT SHOWERS EARLY IN THE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE EAST
THROUGH MIDNIGHT. MOSTLY SUNNY...BECOMING CLEAR. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

BT

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



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