057
FZUS63 KDTX 121356
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
956 AM EDT SAT SEP 12 2026
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, 30.00 INCHES, WILL SLOWLY MOVE EASTWARD
TOWARDS THE EAST COAST TODAY. LOW PRESSURE, 29.30 INCHES, LIFTING
OVER NORTHERN ONTARIO THEN DRAGS A COLD FRONT ACROSS THE CENTRAL
GREAT LAKES LATE SATURDAY INTO SUNDAY.
LCZ460-122200-
LAKE ST CLAIR-
956 AM EDT SAT SEP 12 2026
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES 2
FEET OR LESS.
TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10
KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
SUNDAY
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO 15
KNOTS EARLY IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
SUNDAY NIGHT
NORTHWEST WINDS 20 TO 25 KNOTS BECOMING NORTH 15 TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY BECOMING PARTLY CLOUDY BY
MIDNIGHT BECOMING CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
AFTER MIDNIGHT.
MONDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO 10
KNOTS IN THE AFTERNOON...THEN BECOMING EAST 10 TO 15 KNOTS IN THE
EVENING. SUNNY BECOMING MOSTLY SUNNY IN THE AFTERNOON BECOMING
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
TUESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
WEDNESDAY
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY. WAVES 2 FEET OR LESS.
MANN
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page