National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KDTX 180120
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
919 PM EDT FRI MAY 17 2013

.SYNOPSIS...A HIGH PRESSURE SYSTEM...AVERAGING 30.20 INCHES...WILL
PERSIST ACROSS THE GREAT LAKES AREA THROUGH THE WEEKEND. ON
MONDAY...A LARGE LOW PRESSURE SYSTEM...AVERAGING 29.50 INCHES...WILL
BEGIN INFLUENCING CONDITIONS...BRINGING INCREASING CHANCES OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY NEXT WEEK.

LCZ460-180800-
LAKE ST CLAIR-
919 PM EDT FRI MAY 17 2013

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING LIGHT
AND VARIABLE...THEN BECOMING EAST 5 TO 10 KNOTS LATE. PARTLY CLOUDY
THIS EVENING...BECOMING MOSTLY CLOUDY OVERNIGHT. WAVES 2 FEET OR
LESS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS BY MID AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON...THEN SHOWERS AND
THUNDERSTORMS LIKELY BY MID AFTERNOON. PARTLY SUNNY THROUGH EARLY
AFTERNOON...BECOMING MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS. MOSTLY CLOUDY WITH SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.

$$

SC

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. MAXIMUM WAVE HEIGHT IS THE HIGHEST 1/20
WAVE HEIGHT.

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