Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
413
FZUS63 KDTX 071936
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
336 PM EDT Mon Apr 7 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, 29.70 inches, exiting east of Georgian
Bay late this afternoon with gale force wind gusts behind it.
Winds will slowly diminish tonight and tomorrow as high pressure
expands into the region from the west late Tuesday. Low pressure
is then forecast to track across the Ohio Valley Wednesday night
into Thursday.

LCZ460-080345-
Lake St Clair-
336 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots in the late
evening and early morning...then diminishing to 15 to 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon. Partly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy in the
evening then clearing. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Partly sunny. A chance
of light rain in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. A
chance of light rain in the evening...then light rain after
midnight. Waves 2 feet or less.
.THURSDAY...East winds 10 to 15 knots backing to the north in the
evening. Mostly cloudy with a chance of light rain. Waves 2 feet or
less.
.FRIDAY...North winds 10 to 15 knots. Partly cloudy. Waves 2 feet or
less.
.SATURDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes