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
000
FZUS63 KDTX 100245 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 PM EST FRI DEC 9 2016

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 WEAK TROUGH OVER LAKE HURON WILL DEEPEN TO 30.30
INCHES LATE TONIGHT AND SATURDAY AS AN UPPER LEVEL DISTURBANCE WORKS
ACROSS THE AREA. A STRONGER LOW PRESSURE SYSTEM...29.60 INCHES...
WILL THEN TRACK ACROSS THE SOUTHERN GREAT LAKES LATE SUNDAY INTO
MONDAY.

LCZ460-100900-
LAKE ST CLAIR-
945 PM EST FRI DEC 9 2016

.REST OF TONIGHT...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THIS EVENING...BECOMING
MOSTLY CLOUDY OVERNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF LIGHT SNOW AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS
BY AFTERNOON. SNOW. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. SNOW IN THE EVENING...THEN LIGHT SNOW
LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO 15 KNOTS
BY EVENING. MOSTLY CLOUDY...BECOMING PARTLY CLOUDY. WAVES 1 TO
3 FEET.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET OR
LESS.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF SNOW. WAVES 1 TO 3 FEET.

$$

MANN

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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.