National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 132037
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
337 PM EST Tue Jan 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
An arctic cold front will drop across the central Great Lakes Wednesday morning. The inbound arctic air will lead to near gale force winds, heavy freezing spray, and snow squalls. Lingering troughing will hold across the eastern Great Lakes through Thursday while high pressure, 30.10 inches, expands across Lake Superior. Another low pressure system is forecast to track across the northern Great Lakes on Friday, bringing more gusty winds and snow showers.

LCZ460-140500
Lake St Clair
337 PM EST Tue Jan 13 2026

TONIGHT
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy this evening becoming mostly cloudy. Waves 1 to 3 feet.

WEDNESDAY
West winds 10 to 15 knots becoming northwest 15 to 20 knots in the late morning and afternoon. Mostly cloudy. Light snow likely until late afternoon. A chance of light snow late in the afternoon. Waves 1 to 3 feet.

WEDNESDAY NIGHT
Northwest winds 15 to 20 knots increasing to 20 to 25 knots by midnight...then diminishing to 15 to 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet.

THURSDAY
Northwest winds 15 to 20 knots diminishing to 10 to 15 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

THURSDAY NIGHT
West winds 5 to 10 knots becoming southwest 10 to 15 knots by midnight...then increasing to 15 to 20 knots after midnight. Clear becoming partly cloudy by midnight becoming mostly cloudy. Waves 1 to 3 feet.

FRIDAY
South winds 20 to 25 knots becoming southwest 15 to 20 knots in the afternoon and evening. Light snow...then light snow likely in the evening. Waves 1 to 3 feet.

SATURDAY
Southwest winds 15 to 20 knots. Mostly cloudy with a chance of light snow. Waves 1 to 3 feet.

SUNDAY
Southwest winds 15 to 20 knots. Mostly cloudy with a chance of light snow. Waves 1 to 3 feet.

Wave heights are for ice free areas.

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes