571
FZUS63 KDTX 050207
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1007 PM EDT THU SEP 4 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 LINGERS THIS EVENING BEFORE A LOW
PRESSURE SYSTEM, 29.20 INCHES, PIVOTS OVER LAKE MICHIGAN LATE
TONIGHT. THE SYSTEM THEN LIFTS INTO THE STRAITS ON FRIDAY
OFFERING WIDESPREAD GUSTS TO GALES FOR LAKE HURON AND SMALL CRAFT
ADVISORIES FOR LAKE ST CLAIR AND WESTERN LAKE ERIE. WATERSPOUTS
CHANCES ALSO RETURN WITH THIS SYSTEM IN THE WEEKEND AS A COOLER
AIRMASS RETURNS.
LCZ460-051015-
LAKE ST CLAIR-
1007 PM EDT THU SEP 4 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT FRIDAY THROUGH
FRIDAY EVENING...
REST OF TONIGHT
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15
KNOTS EARLY IN THE MORNING. CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
SOUTHWEST WINDS 20 TO 25 KNOTS VEERING TO THE WEST LATE IN
THE AFTERNOON. GUSTS TO 30 KNOTS. PARTLY SUNNY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15
KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3
FEET.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO 15
KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
SATURDAY NIGHT
WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS
IN THE AFTERNOON AND EVENING. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
MR
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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