Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 241359
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
959 AM EDT THU APR 24 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 30.20 INCHES...WILL HOLD OVER
THE EASTERN GREAT LAKES THROUGH MOST OF THE DAY BEFORE BEING FORCED
EAST BY AN APPROACHING LOW PRESSURE SYSTEM. THIS LOW...AVERAGING
29.50 INCHES...WILL TRACK THROUGH THE SOUTHERN GREAT LAKES EARLY
FRIDAY. A FRONTAL BOUNDARY WILL THEN DROP SOUTH THROUGH THE REGION
FRIDAY NIGHT ASSOCIATED WITH A SECOND AREA OF LOW PRESSURE SKIRTING
THROUGH THE NORTHERN LAKES.

LCZ460-242000-
LAKE ST CLAIR-
959 AM EDT THU APR 24 2014

.REST OF TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. LIGHT SHOWERS LIKELY
AFTER MIDNIGHT. CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY MID AFTERNOON. LIGHT SHOWERS THROUGH EARLY AFTERNOON...
THEN PARTLY SUNNY WITH LIGHT SHOWERS LIKELY BY MID AFTERNOON. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS THROUGH MIDNIGHT. PARTLY SUNNY THROUGH EARLY AFTERNOON...
BECOMING MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 1 TO 3 FEET.

$$

JVC

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






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