Great Lakes Forecast
Issued by NWS

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299
FZUS63 KDTX 160157
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
957 PM EDT FRI MAY 15 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...LOW PRESSURE...29.90 INCHES...OVER THE EASTERN GREAT
LAKES WILL TRACK INTO SOUTHERN ONTARIO TONIGHT. THE WEAK FRONT
TRAILING THE LOW WILL STALL OVER THE SOUTHERN GREAT LAKES SATURDAY
AND PROVIDE A FOCUS FOR SCATTERED SHOWERS AND THUNDERSTORMS BEFORE
MOVING NORTHWARD THROUGH THE AREA SATURDAY NIGHT AND SUNDAY. WARM
AND INCREASINGLY MOIST CONDITIONS UNDER A LIGHT SOUTHERLY WIND
FIELD WILL CONTINUE TO SUPPORT PERIODIC SHOWERS AND THUNDERSTORMS
INTO MONDAY. THE NEXT COLD FRONT IS SET TO SWEEP THROUGH THE GREAT
LAKES TUESDAY.

LCZ460-160815-
LAKE ST CLAIR-
957 PM EDT FRI MAY 15 2015

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY...BECOMING MOSTLY CLOUDY
OVERNIGHT. A CHANCE OF LIGHT SHOWERS LATE. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS EARLY...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
BY LATE MORNING. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THROUGH MIDNIGHT...BECOMING
MOSTLY CLOUDY OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON...THEN BECOMING WEST 5 TO 10 KNOTS THROUGH
MIDNIGHT. PARTLY SUNNY WITH A CHANCE OF LIGHT SHOWERS...THEN PARTLY
CLOUDY THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.

$$

DRK

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



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