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 280738
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 AM EDT WED SEP 28 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...LOW PRESSURE AT 29.70 INCHES OVER NORTHEASTERN WISCONSIN
WILL CONTINUE TO WEAKEN AS IT DIGS SOUTHWARD INTO THE OHIO RIVER
VALLEY TONIGHT. THE BROAD CENTER OF THE LOW PRESSURE SYSTEM WILL BE
29.90 INCHES BY WEDNESDAY EVENING OVER WESTERN OHIO. THIS LOW
PRESSURE SYSTEM WILL STALL OUT SOUTH OF THE GREAT LAKES REGION
THROUGH THE END OF THE WEEK AND MUCH OF THE UPCOMING WEEKEND.

LCZ460-282015-
LAKE ST CLAIR-
338 AM EDT WED SEP 28 2016

.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS...BECOMING EAST LATE.
MOSTLY CLOUDY. A CHANCE OF WATERSPOUTS. A CHANCE OF SHOWERS
THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS BY LATE
MORNING. SHOWERS LIKELY BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT. CLOUDY WITH SHOWERS LIKELY. WAVES 2 FEET OR
LESS.
.THURSDAY...NORTHEAST WINDS 15 TO 20 KNOTS. CLOUDY WITH SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS...BECOMING EAST 20
TO 25 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 15 TO 20 KNOTS AFTER
MIDNIGHT. SHOWERS. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO 15 KNOTS
THROUGH MIDNIGHT. SHOWERS...THEN SHOWERS LIKELY THROUGH MIDNIGHT.
WAVES 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH SHOWERS
LIKELY. WAVES 2 FEET OR LESS.
.SUNDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.

$$

SF

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.