000
FZUS63 KDTX 201356
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
957 AM EDT SUN JUL 20 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...30.10 INCHES...WILL RESIDE OVER THE
GREAT LAKES TODAY. HIGH PRESSURE WILL EXPAND ACROSS THE EASTERN US
MONDAY INTO TUESDAY...WHILE A SLOW MOVING FRONTAL BOUNDARY TRACKS
ACROSS THE NORTHERN PLAINS AND UPPER MIDWEST. THE COLD FRONT WILL
ADVANCE ACROSS LAKE HURON AND THE EASTERN GREAT LAKES REGION TUESDAY
NIGHT INTO WEDNESDAY.

LCZ460-202000-
LAKE ST CLAIR-
957 AM EDT SUN JUL 20 2014

.REST OF TODAY...LIGHT AND VARIABLE WINDS. PARTLY SUNNY. WAVES
NEARLY CALM.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES NEARLY CALM.
.MONDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS 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. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY...THEN PARTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

RBP

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