Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 301958
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 PM EDT TUE SEP 30 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...AVERAGING 30.10 INCHES...WILL GRADUALLY
BUILD SOUTHWARD INTO THE REGION FROM ONTARIO THROUGH WEDNESDAY. A
STRONG LOW PRESSURE SYSTEM...AVERAGING 29.30 INCHES...WILL LIFT
THROUGH THE WESTERN GREAT LAKES ON THURSDAY WHICH WILL PULL A COLD
FRONT THROUGH THE REGION THURSDAY NIGHT INTO FRIDAY.

LCZ460-010815-
LAKE ST CLAIR-
358 PM EDT TUE SEP 30 2014

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS
BY MIDNIGHT. PATCHY DRIZZLE. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT
AND VARIABLE. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. PARTLY CLOUDY. WAVES
NEARLY CALM.
.THURSDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 10 TO
15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. CLOUDY WITH LIGHT
SHOWERS LIKELY. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS...THEN PARTLY
CLOUDY WITH A CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS. PARTLY
CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

DRK

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.