000
FZUS63 KDTX 200153
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 PM EDT SUN MAY 19 2013

.SYNOPSIS...WEAKENING HIGH PRESSURE...AVERAGING 30.00 INCHES...WILL
PERSIST ACROSS THE GREAT LAKES AREA THROUGH TONIGHT. A LARGE LOW
PRESSURE SYSTEM...AVERAGING 29.50 INCHES...WILL STALL OVER THE
NORTHERN PLAINS EARLY IN THE WEEK BRINGING INCREASING CHANCES OF
SHOWERS AND THUNDERSTORMS THROUGH MIDWEEK. THE LOW WILL PASS THROUGH
THE SOUTHERN GREAT LAKES LATE IN THE WEEK ALLOWING HIGH PRESSURE TO
BUILD BACK IN FROM THE NORTH.

LCZ460-200800-
LAKE ST CLAIR-
947 PM EDT SUN MAY 19 2013

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS THIS EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. PATCHY FOG AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS
LIKELY AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY MID AFTERNOON. SHOWERS AND THUNDERSTORMS THROUGH EARLY
AFTERNOON...THEN SHOWERS AND THUNDERSTORMS LIKELY BY MID AFTERNOON.
WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. LIGHT SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.

$$

JVC

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)