164
FZUS63 KDTX 121349 CCA
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 AM EDT THU MAR 12 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 THIS 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 WARNING IS IN
EFFECT. THE LOW QUICKLY MOVES OUT FRIDAY NIGHT WITH HIGH PRESSURE
BUILDING BACK IN ON SATURDAY.
LCZ460-122200-
LAKE ST CLAIR-
948 AM EDT THU MAR 12 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE FRIDAY
NIGHT...
REST OF TODAY
NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
TONIGHT
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS LATE IN THE EVENING...THEN BECOMING SOUTH 10 TO 15 KNOTS AFTER
MIDNIGHT INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS EARLY
IN THE MORNING. PARTLY CLOUDY IN THE EVENING.. THEN MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SNOW AFTER MIDNIGHT. MOSTLY CLOUDY WITH A
LIGHT RAIN AND SNOW LIKELY EARLY IN THE MORNING. WAVES 2 FEET OR
LESS.
FRIDAY
SOUTHWEST WINDS TO 30 KNOTS VEERING TO THE WEST EARLY IN
THE AFTERNOON. GUSTS TO 45 KNOT GALES. LIGHT SNOW EARLY IN THE
MORNING...THEN A CHANCE OF LIGHT RAIN AND SNOW IN THE LATE MORNING
AND EARLY AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7
FEET.
FRIDAY NIGHT
WEST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES
BECOMING NORTHWEST 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10
KNOTS IN THE AFTERNOON...THEN BACKING TO THE SOUTHEAST IN THE
EVENING. PARTLY SUNNY BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW
IN THE EVENING. WAVES 2 FEET OR LESS.
SUNDAY
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES. LIGHT
RAIN WITH SNOW LIKELY. WAVES 2 TO 4 FEET. A GALE WARNING MAY BE
NEEDED.
MONDAY
WEST AT 35 KNOT GALES WITH GUSTS TO 40 KNOT GALES. LIGHT
RAIN AND SNOW. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.
SF
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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