Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 240158
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT MON MAR 23 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...HIGH PRESSURE CENTERED OVER ONTARIO...30.50 INCHES...
WILL PERSIST THROUGH TUESDAY UNTIL A DEEPENING LOW PRESSURE
SYSTEM...29.50 INCHES...TRACKS THROUGH THE GREAT LAKES REGION
WEDNESDAY.

LCZ460-240815-
LAKE ST CLAIR-
958 PM EDT MON MAR 23 2015

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS LATE. SUNNY. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. MOSTLY CLEAR THROUGH MIDNIGHT...THEN LIGHT SHOWERS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS...VEERING TO THE SOUTHWEST
BY MID AFTERNOON. MOSTLY CLOUDY THROUGH MID AFTERNOON...BECOMING
MOSTLY SUNNY. LIGHT SHOWERS LIKELY EARLY...THEN A CHANCE OF LIGHT
SHOWERS BY LATE MORNING. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTHWEST LATE. PARTLY CLOUDY EARLY IN THE EVENING...BECOMING MOSTLY
CLOUDY OVERNIGHT. A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES
2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS...THEN A CHANCE OF LIGHT RAIN AND SNOW SHOWERS
THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

BT

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


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