675
FZUS63 KDTX 290852
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 AM EST SAT NOV 29 2025
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, 30.40 INCHES, GRADUALLY WORKS ACROSS
THE REGION THIS MORNING MAINTAINING WEAKER WINDS. LOW PRESSURE,
29.60 INCHES, IS FORECAST TO LIFT DIRECTLY ACROSS THE CENTRAL
GREAT LAKES FROM THE MIDWEST TONIGHT INTO SUNDAY, BRINGING
WIDESPREAD SNOW AND A FEW HOUR PERIOD OF GALES OVER LAKE HURON
LATE SUNDAY.
LCZ460-291700-
LAKE ST CLAIR-
352 AM EST SAT NOV 29 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH EARLY IN
THE AFTERNOON...THEN BECOMING SOUTHEAST 10 TO 15 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW IN THE AFTERNOON.
WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 20 TO 25
KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. SNOW UNTIL EARLY
MORNING...THEN RAIN AND LIGHT SNOW EARLY IN THE MORNING. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
SUNDAY
SOUTHWEST WINDS TO 30 KNOTS BECOMING WEST 20 TO 25 KNOTS
EARLY IN THE AFTERNOON. LIGHT RAIN EARLY IN THE MORNING. LIGHT
SNOW UNTIL LATE AFTERNOON...THEN A CHANCE OF LIGHT SNOW EARLY IN
THE AFTERNOON. WAVES 2 TO 4 FEET.
SUNDAY NIGHT
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
MONDAY
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS
IN THE AFTERNOON AND EVENING. PARTLY SUNNY IN THE MORNING BECOMING
MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW IN THE EVENING. WAVES 2 FEET
OR LESS.
TUESDAY
NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. LIGHT SNOW
LIKELY. WAVES 2 FEET OR LESS.
WEDNESDAY
WEST WINDS 20 TO 25 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SNOW. WAVES 2 TO 4 FEET.
TF
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