National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 172036
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
336 PM EST Sat Jan 17 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
Several successive disturabances of varying magnitude work through the central Great Lakes this weekend and into next week. This results in elevated winds/waves, freezing spray, and additional snowfall, especially once arctic air surges by Monday.

LCZ460-180445
Lake St Clair
336 PM EST Sat Jan 17 2026

GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING

TONIGHT
Southwest winds 10 to 15 knots. Partly cloudy becoming mostly cloudy.

SUNDAY
Southwest winds 10 to 15 knots. Mostly cloudy.

SUNDAY NIGHT
Southwest winds 15 to 20 knots. Mostly cloudy with numerous light snow showers.

MONDAY
West winds 20 to 25 knots. Gusts to 35 knot gales in the late morning and afternoon. Mostly cloudy. Numerous light snow showers early in the morning...then scattered light snow showers in the late morning and afternoon. A Gale Warning may be needed.

MONDAY NIGHT
West winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Partly cloudy.

TUESDAY
Southwest winds 15 to 20 knots. Partly cloudy.

WEDNESDAY
West winds 15 to 20 knots. Mostly cloudy with a chance of light snow.

THURSDAY
Southwest winds 15 to 20 knots. Partly cloudy.

Waves omitted due to ice coverage.

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KDK

Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes