Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 150756
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
355 AM EDT MON SEP 15 2014

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...HIGH PRESSURE...AVERAGING 30.30 INCHES...OVER THE
EASTERN GREAT LAKES WILL MAINTAIN A GRIP HERE LOCALLY THROUGH THIS
MORNING. A LOW PRESSURE SYSTEM...AVERAGING 29.90 INCHES...WILL THEN
DROP A COLD FRONT THROUGH THE CENTRAL GREAT LAKES LATER TODAY AND
TONIGHT AS IT TRACKS FROM ONTARIO TO QUEBEC. HIGH PRESSURE WILL THEN
BUILD BACK INTO THE REGION FOR A RATHER LONG EXTENDED STAY FOR THIS
WEEK.

LCZ460-152000-
LAKE ST CLAIR-
355 AM EDT MON SEP 15 2014

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS. LIGHT SHOWERS LIKELY BY
EARLY AFTERNOON. LIGHT SHOWERS LATE. PARTLY SUNNY THROUGH MID
AFTERNOON. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS BY MIDNIGHT. LIGHT SHOWERS EARLY IN THE EVENING...THEN A
CHANCE OF LIGHT SHOWERS BY MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND VARIABLE.
PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTHWEST
THROUGH MIDNIGHT. MOSTLY CLEAR...BECOMING PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.

$$

CB

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






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