370
FZUS63 KDTX 190756
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
356 AM EDT SUN OCT 19 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.
LCZ460-191600-
LAKE ST CLAIR-
356 AM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS BECOMING
SOUTHWEST 10 TO 15 KNOTS EARLY IN THE AFTERNOON...THEN VEERING TO
THE WEST LATE IN THE AFTERNOON. SHOWERS UNTIL LATE AFTERNOON...THEN
LIGHT SHOWERS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. LIGHT SHOWERS IN
THE EVENING...THEN MOSTLY CLEAR AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
MONDAY
WEST WINDS 10 TO 15 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTH 20 TO
25 KNOTS. MOSTLY CLEAR. A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KNOTS. PARTLY SUNNY WITH LIGHT
SHOWERS LIKELY...THEN PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS
IN THE EVENING. WAVES 2 TO 4 FEET.
WEDNESDAY
WEST WINDS TO 30 KNOTS. LIGHT SHOWERS. WAVES 2 TO 4
FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
WEST WINDS 20 TO 25 KNOTS. PARTLY CLOUDY. LIGHT SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
MR
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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