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 040739
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 AM EDT SAT JUL 4 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...A COLD FRONT...29.90 INCHES...WILL TRACK FROM UPPER
MICHIGAN THIS MORNING TO CENTRAL LOWER MICHIGAN BY AFTERNOON WHILE
WEAKENING. HIGH PRESSURE OF 30.10 INCHES WILL REESTABLISH ITSELF
ACROSS LOWER MICHIGAN AND THE EASTERN GREAT LAKES TONIGHT INTO
SUNDAY. AN AREA OF LOW PRESSURE IS FORECAST TO DEVELOP ALONG A COLD
FRONT OVER THE UPPER MIDWEST ON MONDAY. THIS LOW WILL LIFT INTO
NORTHERN ONTARIO MONDAY NIGHT THROUGH TUESDAY AND WILL DRIVE A COLD
FRONT ACROSS THE GREAT LAKES REGION.

LCZ460-042015-
LAKE ST CLAIR-
339 AM EDT SAT JUL 4 2015

.TODAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS
LATE. MOSTLY SUNNY. WAVES NEARLY CALM.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS
LATE. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS EARLY IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

SF/SC

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.