National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


374
FZUS63 KDTX 130752
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
352 AM EDT Wed Aug 13 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 cold front will finish passing through the Great
Lakes today. Showers and thunderstorms will be possible until the
front comes through, which also shifts winds from southwest to
northwest. High pressure, 30.10 inches, then builds in to support
drier conditions to end the work week.

LCZ460-131600-
Lake St Clair-
352 AM EDT Wed Aug 13 2025

.TODAY...West winds 5 to 10 knots veering to the north in the
afternoon. Mostly cloudy with a chance of light showers early in the
morning...then partly sunny in the late morning and afternoon. Waves
2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.THURSDAY...North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Clear. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to 10 knots
in the afternoon and evening. Clear. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.SUNDAY...North winds 15 to 20 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.

$$

DRK

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 Lake St Clair

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

f03

f04

f05

f06

f07

f08

f09

f10

f11

f12

f13

f14

f15

f16

f17

f18

f24

f27

f30

f33

f36

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

f03

f04

f05

f06

f07

f08

f09

f10

f11

f12

f13

f14

f15

f16

f17

f18

f24

f27

f30

f33

f36

 

(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

Significant Wave Probabilities

Water Level

Lake St. Clair Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

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