National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 161944
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
344 PM EDT Thu Apr 16 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
Weak area of low pressure, 29.60 inches, tracks into the Great Lakes today maintaining periods of showers and thunderstorms. A powerful cold front looks to cross the area on Saturday, with will present strong winds ahead and behind the front.

LCZ460-170345
Lake St Clair
344 PM EDT Thu Apr 16 2026

TONIGHT
Northwest winds 5 to 10 knots veering to the north in the late evening and overnight. Mostly cloudy this evening becoming partly cloudy. A chance of thunderstorms early in the evening. Patchy fog early in the evening. Areas of fog late in the evening...then widespread fog after midnight. Waves 2 feet or less.

FRIDAY
Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Partly sunny. Widespread fog early in the morning...then areas of fog late in the morning. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy ...then mostly cloudy with light showers likely and a chance of thunderstorms after midnight. Waves 2 feet or less.

SATURDAY
South winds 15 to 20 knots veering to the west early in the afternoon. Light showers and a chance of thunderstorms until late afternoon...then light showers likely early in the afternoon. Waves 1 to 3 feet.

SATURDAY NIGHT
West winds 15 to 20 knots. Partly cloudy. Light showers likely early in the evening...then a chance of light showers by midnight. Waves 1 to 3 feet.

SUNDAY
Northwest winds 15 to 20 knots. Mostly sunny in the morning becoming partly cloudy. Waves 1 to 3 feet.

MONDAY
South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less.

TUESDAY
West winds 20 to 25 knots. Partly cloudy. Waves 2 to 4 feet.

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes