899
FZUS63 KDTX 120141
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
941 PM EDT WED MAR 11 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
A BRIEF RIDGE OF HIGH PRESSURE, 30.10 INCHES, WILL
FILL IN ACROSS THE GREAT LAKES THURSDAY AFTERNOON. A STRONG LOW
PRESSURE SYSTEM, 29.10 INCHES, THEN ENTERS NORTHERN LOWER MICHIGAN
AND NORTHERN LAKE HURON TOMORROW MORNING. THIS WILL BRING
WIDESPREAD GALES TO THE GREAT LAKES. A GALE WATCH REMAINS IN
EFFECT.
LCZ460-120945-
LAKE ST CLAIR-
941 PM EDT WED MAR 11 2026
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE
FRIDAY NIGHT...
REST OF TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS. MOSTLY CLOUDY BY
MIDNIGHT BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15
KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3
FEET.
THURSDAY NIGHT
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING SOUTH 20 TO 25 KNOTS WITH GUSTS
TO 30 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY ...THEN MOSTLY CLOUDY WITH
LIGHT RAIN AND SNOW LIKELY AFTER MIDNIGHT. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
FRIDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST AT 35 KNOT
GALES IN THE LATE MORNING AND AFTERNOON. GUSTS TO 45 KNOT GALES.
CLOUDY EARLY IN THE MORNING BECOMING PARTLY SUNNY. LIGHT RAIN AND
SNOW LIKELY EARLY IN THE MORNING...THEN A CHANCE OF LIGHT RAIN AND
SNOW IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
WEST WINDS TO 30 KNOTS WITH GUSTS TO 45 KNOT GALES
DIMINISHING TO 20 TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 3
TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 5 TO 10
KNOTS IN THE AFTERNOON...THEN BACKING TO THE SOUTHEAST IN THE
EVENING. PARTLY SUNNY BECOMING MOSTLY SUNNY IN THE AFTERNOON
BECOMING MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
SUNDAY
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES. LIGHT
RAIN WITH LIGHT SNOW LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
AROUND 7 FEET.
MONDAY
WEST AT 35 KNOT GALES WITH GUSTS TO 40 KNOT GALES. MOSTLY
CLOUDY. LIGHT RAIN WITH LIGHT SNOW LIKELY. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
SC
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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