606
FZUS63 KDTX 131945
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT SUN SEP 13 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
POST-FRONTAL NORTHWEST FLOW BECOMES BREEZY THIS
AFTERNOON THROUGH MONDAY MORNING WITH SCATTERED SHOWERS POSSIBLE.
HIGH PRESSURE, 30.20 INCHES, THEN ARRIVES MONDAY BRINGING RELAXED
FLOW AND DRY WEATHER. LOW PRESSURE, 29.40 INCHES, THEN TRACKS
ACROSS ONTARIO TUESDAY WHICH ELEVATES WIND GUSTS TOWARD GALE
FORCE ACROSS NORTH AND CENTRAL LAKE HURON.
LCZ460-140345-
LAKE ST CLAIR-
345 PM EDT SUN SEP 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS BECOMING NORTH 10 TO 15
KNOTS. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE EVENING...THEN SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
MONDAY
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT AND
VARIABLE LATE IN THE AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 20 TO
25 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. A CHANCE OF LIGHT
SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT...THEN VEERING TO THE WEST AFTER MIDNIGHT.
LIGHT SHOWERS AND A CHANCE OF THUNDERSTORMS ...THEN LIGHT SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
WEDNESDAY
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO 15
KNOTS IN THE EVENING. PARTLY SUNNY BECOMING MOSTLY CLOUDY. WAVES 2
FEET OR LESS.
THURSDAY
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. SHOWERS
LIKELY. WAVES 2 FEET OR LESS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
SS
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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