Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 221347
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 AM EDT TUE JUL 22 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...A COMPACT LOW PRESSURE SYSTEM...AT 29.50 INCHES...WILL
TRACK EASTWARD TODAY PASSING NORTH OF LAKE HURON BY THIS EVENING. AN
ASSOCIATED COLD FRONT WILL THEN SETTLE SOUTHWARD THROUGH THE LOWER
MICHIGAN TONIGHT. SPRAWLING SURFACE HIGH PRESSURE...AVERAGING 30.15
INCHES...WILL THEN BUILD INTO THE GREAT LAKES THROUGH THE REMAINDER
OF THE WEEK.

LCZ460-222000-
LAKE ST CLAIR-
944 AM EDT TUE JUL 22 2014

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 10 TO
15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT...THEN MOSTLY CLOUDY LATE. WAVES
2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR...BECOMING
CLEAR. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

MM

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





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