058
FZUS63 KDTX 181353
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 AM EDT SAT OCT 18 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
LOW PRESSURE, 29.20 INCHES, RAPIDLY DEVELOPS ALONG A
COLD FRONT OVER THE MID-MISSISSIPPI AND MOVES OVER LOWER MICHIGAN
SUNDAY, BRINGING THE CHANCE FOR SOUTHERLY GALES SUNDAY MORNING
ACROSS CENTRAL AND SOUTHERN LAKE HURON WITH HIGHER PROBABILITIES
FOR NORTHWESTERLY GALES OVER MOST OF LAKE HURON BY LATE SUNDAY
AFTERNOON. ELSEWHERE, NEAR GALE GUSTS CAN BE EXPECTED. HIGH
PRESSURE BUILDS IN BRIEFLY ON MONDAY BEFORE ANOTHER LOW PRESSURE
MOVES THROUGH THE REGION ON TUESDAY BRINGING ANOTHER CHANCE AT
GALES.
LCZ460-182200-
LAKE ST CLAIR-
953 AM EDT SAT OCT 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...
REST OF TODAY
SOUTH WINDS 15 TO 20 KNOTS. SUNNY LATE IN THE
MORNING BECOMING PARTLY SUNNY. LIGHT SHOWERS LIKELY LATE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 20 TO 25 KNOTS.
LIGHT SHOWERS AND A CHANCE OF THUNDERSTORMS UNTIL EARLY
MORNING...THEN SHOWERS EARLY IN THE MORNING. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST 20 TO 25 KNOTS
EARLY IN THE AFTERNOON. SHOWERS. WAVES 3 TO 5 FEET.
SUNDAY NIGHT
WEST WINDS TO 30 KNOTS. BECOMING PARTLY CLOUDY AFTER
MIDNIGHT. LIGHT SHOWERS EARLY IN THE EVENING...THEN LIGHT SHOWERS
LIKELY IN THE LATE EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET.
MONDAY
WEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO 20 KNOTS IN
THE AFTERNOON...THEN BECOMING SOUTHWEST 20 TO 25 KNOTS IN THE
EVENING. SUNNY IN THE MORNING BECOMING MOSTLY CLEAR. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON AND EVENING.
TUESDAY
WEST AT 35 KNOT GALES. PARTLY CLOUDY. LIGHT SHOWERS
LIKELY. WAVES 3 TO 5 FEET. A GALE WARNING MAY BE NEEDED.
WEDNESDAY
WEST AT 35 KNOT GALES. PARTLY CLOUDY. LIGHT SHOWERS
LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
MANN
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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