815
FZUS63 KDTX 310821
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
321 AM EST Wed Dec 31 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...A weak low pressure system, 30.00 inches, will track
along a stationary front which is draped across Lake Superior and
Lake Huron tonight. A second system will drop through the region
along the stalled front Wednesday evening which will reinforce
the arctic airmass and bring borderline gales across Lake Huron
Wednesday late afternoon and early evening.

LCZ460-311630-
Lake St Clair-
321 AM EST Wed Dec 31 2025

.TODAY...West winds 10 to 15 knots increasing to 15 to 20 knots late
in the afternoon. Light snow in the afternoon. Waves 2 feet or less.
.TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15
knots early in the morning. Mostly cloudy this evening becoming
mostly clear. Light snow early in the evening...then a chance of
light snow by midnight. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...West winds 10 to 15 knots. Partly cloudy early in
the evening becoming mostly cloudy. Waves 2 feet or less.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy becoming mostly
clear. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Partly cloudy. Waves 2 feet or
less.
.SUNDAY...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes