Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KDTX 050754
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 AM EDT SAT JUL 5 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...30.30 INCHES...WILL TREK FROM THE
CENTRAL GREAT LAKES TODAY TO TO THE MID ATLANTIC BY TONIGHT. LOW
PRESSURE...29.60 INCHES...WILL DEVELOP OVER CENTRAL CANADA ON
SUNDAY.  THIS LOW WILL DEEPEN TO 29.40 INCHES AS IT MOVES ACROSS
NORTHERN ONTARIO SUNDAY NIGHT.  AN ASSOCIATED COLD FRONT WILL BE
PULLED ACROSS LAKE HURON EARLY MONDAY MORNING. A LINGERING SURFACE
TROUGH WILL THEN HOLD ACROSS THE GREAT LAKES INTO TUESDAY AS THE LOW
PRESSURE SYSTEM LIFTS INTO SOUTHERN QUEBEC.

LCZ460-052000-
LAKE ST CLAIR-
350 AM EDT SAT JUL 5 2014

.TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO 10 KNOTS
BY AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. PARTLY CLOUDY EARLY IN THE EVENING...BECOMING
MOSTLY CLOUDY OVERNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
THROUGH MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON...THEN PARTLY CLOUDY BY MID
AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

MR

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





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.