Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 251943
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT SAT JUL 25 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...A WEAK COLD FRONT WILL ADVANCE ACROSS THE LOWER
GREAT LAKES OVERNIGHT WHILE HIGH PRESSURE AVERAGING 30.00 INCHES
SETTLES IN OVER THE UPPER LAKES REGION. THIS HIGH WILL PERSIST OVER
THE GREAT LAKES THROUGH TUESDAY. ANOTHER COLD FRONT WILL APPROACH
THE UPPER LAKES TUESDAY NIGHT AND MOVE THROUGH THE REGION MIDWEEK..
BRINGING ANOTHER CHANCE OF THUNDERSTORMS.

LCZ460-260815-
LAKE ST CLAIR-
343 PM EDT SAT JUL 25 2015

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO 10 KNOTS
BY MIDNIGHT. MOSTLY CLOUDY...BECOMING PARTLY CLOUDY BY MIDNIGHT...
BECOMING CLEAR OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY THIS EVENING. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS BY
MID AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. SUNNY THROUGH EARLY
AFTERNOON...BECOMING MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

05

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


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