196
FZUS63 KDTX 171312
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
912 AM EDT Sat May 17 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, 29.30 inches, tracks across Lake
Superior and the UP today before exiting into New England on
Sunday. A cold front passes through the region Sunday night into
Monday with a ridge of Hudson Bay high pressure extending into
the Great Lakes through the early week.

LCZ460-172115-
Lake St Clair-
912 AM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...West winds 15 to 20 knots. Gusts to 30 knots in the
afternoon. Mostly cloudy with a chance of light showers. Waves 1 to
3 feet.
.TONIGHT...West winds 15 to 20 knots with gusts to 30 knots
diminishing to 10 to 15 knots early in the morning. Partly cloudy.
Waves 1 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon. Partly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Partly cloudy. Waves 2 feet or less.
.MONDAY...North winds 10 to 15 knots increasing to 15 to 20 knots in
the evening. Partly cloudy in the morning then clearing. Waves 2
feet or less.
.TUESDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...North winds 15 to 20 knots. Mostly cloudy with showers
likely. Waves 1 to 3 feet.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes