571
FZUS63 KDTX 130839
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 AM EST THU NOV 13 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, 30.10 INCHES, EXPANDS OVER THE REGION
INTO FRIDAY OFFERING LIGHTER WINDS TO END THE WEEK. LOW PRESSURE,
29.30 INCHES, TRACKING OVER NORTHERN ONTARIO THEN SWINGS A COLD
FRONT ACROSS THE REGION SATURDAY BRINGING COLDER AIR BACK SOUTH
AND SUPPORTING THE POTENTIAL FOR NORTHWEST GALES SUNDAY.
LCZ460-131645-
LAKE ST CLAIR-
339 AM EST THU NOV 13 2025
TODAY
WEST WINDS 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
TONIGHT
WEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH EARLY IN THE
AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO 25
KNOTS IN THE EVENING. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN IN THE
AFTERNOON AND EVENING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN
THE EVENING.
SUNDAY
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS. MOSTLY
CLEAR. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY
NORTHWEST WINDS 20 TO 25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3
FEET.
AM
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES
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