737
FZUS63 KDTX 131949
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 PM EDT FRI MAR 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
A STRONG LOW PRESSURE SYSTEM, 29.10 INCHES, MOVES FROM
NORTHERN LOWER MICHIGAN TO CENTRAL LAKE HURON THIS EVENING. THIS
WILL CONTINUE TO BRING WIDESPREAD GALES TO THE GREAT LAKES. A
GALE WARNING IS IN EFFECT. THE LOW QUICKLY MOVES OUT TONIGHT WITH
HIGH PRESSURE, 30.20 INCHES, BRIEFLY BUILDING BACK IN ON
SATURDAY. A SECOND STRONG LOW PRESSURE SYSTEM, 28.90 INCHES,
MOVES ACROSS SOUTHERN MICHIGAN AND LAKE HURON LATE SUNDAY INTO
MONDAY. THIS BRINGS ADDITIONAL POTENTIAL FOR GUST TO GALES.
LCZ460-140400-
LAKE ST CLAIR-
349 PM EDT FRI MAR 13 2026
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
TONIGHT
WEST WINDS TO 30 KNOTS WITH STORM FORCE STORM FORCE GUSTS
TO 50 KNOTS INCREASING TO 35 KNOT GALES WITH GUSTS TO 45 KNOT GALES
BY MIDNIGHT...THEN BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO
35 KNOT GALES EARLY IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS EARLY IN THE EVENING...THEN PARTLY
CLOUDY IN THE LATE EVENING AND OVERNIGHT. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15
KNOTS LATE IN THE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS EARLY
IN THE AFTERNOON BACKING TO THE SOUTHEAST LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 2 FEET OR LESS.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS INCREASING TO 15 TO 20
KNOTS. CLOUDY. A CHANCE OF LIGHT SNOW ...THEN SNOW LIKELY AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
SUNDAY
EAST WINDS 20 TO 25 KNOTS BECOMING SOUTHEAST 15 TO 20
KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING SOUTH
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS EARLY IN THE AFTERNOON. MOSTLY
CLOUDY. A CHANCE OF LIGHT RAIN AND SNOW UNTIL LATE AFTERNOON. WAVES
2 TO 4 FEET.
SUNDAY NIGHT
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES.
A CHANCE OF LIGHT RAIN ...THEN RAIN AFTER MIDNIGHT. WAVES 3 TO 5
FEET. WAVES OCCASIONALLY AROUND 7 FEET.
MONDAY
SOUTHWEST WINDS TO 30 KNOTS VEERING TO THE WEST IN THE
EVENING. GUSTS TO 40 KNOT GALES. MOSTLY CLOUDY. LIGHT RAIN IN THE
MORNING...THEN LIGHT RAIN LIKELY IN THE AFTERNOON. A CHANCE OF LIGHT
SNOW IN THE AFTERNOON AND EVENING. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
TUESDAY
WEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES.
MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
WEDNESDAY
SOUTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A CHANCE OF
LIGHT SNOW. WAVES 2 FEET OR LESS.
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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