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 041956 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 PM EDT WED MAY 4 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 CENTERED OVER SOUTHEAST MICHIGAN...29.50
INCHES...WILL SLIDE INTO OHIO TONIGHT AND WEAKEN BY THURSDAY
MORNING. MODERATE NORTHERLY WIND WILL FOLLOW OVER LAKE HURON AND
LOWER MICHIGAN THROUGH THROUGH THURSDAY BEFORE WEAK HIGH
PRESSURE...29.90 INCHES...SETTLES OVER THE REGION. THIS WILL PRODUCE
FAVORABLE MARINE CONDITIONS FRIDAY BEFORE THE NEXT COLD FRONT WHICH
IS DUE TO ARRIVE LATER SATURDAY INTO SATURDAY NIGHT. UNSETTLED
MARINE CONDITIONS ARE EXPECTED TO LINGER WITH A SECONDARY FRONT INTO
SUNDAY.

LCZ460-050800-
LAKE ST CLAIR-
352 PM EDT WED MAY 4 2016

.TONIGHT...EAST WINDS 5 TO 10 KNOTS...BACKING TO THE NORTH AFTER
MIDNIGHT. CLOUDY WITH A CHANCE OF LIGHT SHOWERS EARLY THIS EVENING...
THEN MOSTLY CLOUDY BY MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING...THEN INCREASING TO 15 TO 20 KNOTS BY EARLY
AFTERNOON...DIMINISHING TO 10 TO 15 KNOTS LATE. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
.THURSDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO 15 KNOTS
BY MID AFTERNOON...THEN VEERING TO THE NORTH THROUGH MIDNIGHT.
PARTLY SUNNY WITH SHOWERS AND THUNDERSTORMS LIKELY...THEN PARTLY
CLOUDY THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
LIGHT SHOWERS. WAVES 2 FEET OR LESS.

$$

HLO

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.