486
FZUS63 KDTX 301456
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
956 AM EST Tue Dec 30 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, 28.90 inches, continues moving away from
the Great Lakes to the Atlantic coast today. Winds should
continue to ease through this morning, which will allow gales and
heavy freezing spray to drop off before the afternoon. Though,
occasional gales across Lake Huron will be possible through the
rest of the morning. Small Craft Advisory across Thumb nearshores
take over with elevated waves remaining through the day. The next
weaker clipper low pressure system arrives tonight in a
persistent northwest flow pattern through mid week. Borderline
gales across Lake Huron Wednesday late afternoon and early
evening.

LCZ460-302300-
Lake St Clair-
956 AM EST Tue Dec 30 2025

.REST OF TODAY...West winds 15 to 20 knots. Mostly cloudy with
scattered light snow showers. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots. Light snow showers ...then
scattered light snow showers early in the morning. Waves 2 feet or
less.
.WEDNESDAY...West winds 10 to 15 knots. Light snow likely early in
the morning...then light snow in the late morning and afternoon.
Waves 2 feet or less.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy.
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 in the morning
becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or
less.
.SATURDAY...West winds 5 to 10 knots. Partly cloudy. Waves 2 feet or
less.

Wave heights are for ice free areas.

$$

AA

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

Graphical marine forecasts are available at weather.gov/greatlakes