National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


307
FZUS63 KDTX 020808
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
308 AM EST Mon Nov 2 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...A slow moving deepening low pressure system will move
from the central Plains Monday to northern Minnesota Tuesday.
This will result in increasing southerly winds topping out in the
20 to 30 knot range. This system will drag a slow moving cold
front into the Great Lakes region Tuesday night into Wednesday as
the low weakens and tracks through Lake Superior on Thursday.

LCZ460-021615-
Lake St Clair-
308 AM EST Mon Nov 2 2026

.TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. Mostly cloudy. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots
by midnight...then diminishing to 10 to 15 knots early in the
morning. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. Mostly cloudy early in the morning then
clearing. Waves 1 to 3 feet.
.TUESDAY NIGHT...South winds 15 to 20 knots. Partly cloudy becoming
mostly cloudy by midnight becoming partly cloudy. Waves 1 to 3 feet.
.WEDNESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots
in the evening. Partly sunny in the morning. A chance of light rain
in the morning...then light rain in the afternoon and evening. Waves
1 to 3 feet.
.THURSDAY...Southwest winds 15 to 20 knots. Partly cloudy. Light
rain likely. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots. Mostly cloudy with a
chance of light rain. Waves 2 feet or less.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes


Forecast Time Series for Detroit River

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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f24

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f30

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f36

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

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(click to enlarge)

Wave Heights

Now-15 hours

Significant

Occasional

(top 10%)

Wave Heights

18-60 hours

Significant

Occasional

(top 10%)

Wave height Frequency Distribution

Wave Height Frequency Distribution

Significant Wave Probabilities

Water Level

Detroit River Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

Prototype: Under Development: Not to be relied on for Operational Decision Making.