• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
MI - south

Real-Time Data
 > Dynamic Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus61 kcle 201934
glfle 
expires:202511210315;;211117

open lake forecast for lake erie
national weather service cleveland oh
234 pm est thu nov 20 2025

for waters beyond five nautical miles of shore on lake erie

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 move east across lake erie late friday and 
friday evening with high pressure 30.20 inches building over the 
great lakes in its wake on saturday. a warm front lift across the 
lake late saturday into sunday, followed by another cold front on 
late sunday into early monday.


lez162>164-210315-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
234 pm est thu nov 20 2025

.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.friday...southwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.friday night...northwest winds 5 to 15 knots becoming north.
waves 1 to 3 feet. 
.saturday...north winds 5 to 15 knots becoming northwest less
than 10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday night...west winds 10 knots or less becoming southwest
10 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.monday...south winds 5 to 15 knots becoming southeast. rain
likely monday night. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain
during the day, then a chance of rain tuesday night. waves 1 to
3 feet. 

$$
fzus63 kdtx 202043
glfsc 
expires:202511210445;;213434

lake st clair forecast
national weather service detroit/pontiac mi
343 pm est thu nov 20 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 weak cold front, 29.90 inches, tracks across the
region tonight, supporting moderate preceding southwest winds and
renewed colder west-northwest winds following. high pressure,
30.10 inches, then slides across the central great lakes to close
out the week.


lcz460-210445-
lake st clair-
343 pm est thu nov 20 2025

.tonight...southwest winds 5 to 10 knots. cloudy. waves 2 feet or
less.
.friday...west winds 5 to 10 knots veering to the northwest late in
the afternoon. partly sunny. waves 2 feet or less.
.friday night...northwest winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and overnight. partly cloudy becoming
mostly cloudy in the late evening and early morning becoming partly
cloudy. waves 2 feet or less.
.saturday...north winds 10 to 15 knots becoming northwest 5 to 10
knots in the late morning and afternoon. mostly sunny. waves 2 feet
or less.
.saturday night...light and variable winds becoming southwest 10 to
15 knots. partly cloudy. waves 2 feet or less.
.sunday...west winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.monday...southeast winds 10 to 15 knots. partly cloudy. a chance
of. waves 2 feet or less.
.tuesday...southwest winds 15 to 20 knots. mostly cloudy with light
rain. waves 1 to 3 feet.

$$
fzus63 kdtx 202043
glflh 
expires:202511210445;;213432

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm est thu nov 20 2025

for waters beyond five nautical miles off shore on lake huron

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 weak cold front, 29.90 inches, tracks across the
region tonight, supporting moderate preceding southwest winds and
renewed colder west-northwest winds following. high pressure,
30.10 inches, then slides across the central great lakes to close
out the week.


lhz463-464-210445-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
343 pm est thu nov 20 2025

.tonight...southwest winds 10 to 15 knots. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...northwest winds 10 to 15 knots. waves 2 to 4 feet
building to 3 to 5 feet in the late evening and overnight. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.saturday night...west winds 5 to 10 knots becoming southwest
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet building to 2 to 4 feet after midnight. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the evening. waves 2 to 4 feet. 
.monday...west winds 5 to 10 knots becoming south 10 to 15 knots
until early evening...then backing to the southeast in the late
evening and early morning. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots veering to the southwest in
the late evening and early morning. rain until afternoon...then
rain likely early in the evening. a chance of rain in the late
evening and early morning. waves 2 to 4 feet. 


$$
fzus63 kdtx 201445
glflh 
expires:202511202245;;198718

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am est thu nov 20 2025

for waters beyond five nautical miles off shore on lake huron

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 weak cold front, 29.90 inches, tracks across the
region tonight, supporting moderate preceding southwest winds and
renewed colder west-northwest winds following. high pressure,
30.10 inches, then slides across the central great lakes to close
out the week.


lhz462>464-202245-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
945 am est thu nov 20 2025

.rest of today...south winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. patchy drizzle late in the morning.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of rain.
waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots. a chance of rain in the
morning. waves 2 to 4 feet. 
.friday night...northwest winds 10 to 15 knots. waves 3 to
5 feet. 
.saturday...north winds 10 to 15 knots becoming northwest 5 to
10 knots late in the morning...then backing to the southwest late
in the afternoon increasing to 10 to 15 knots late in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots until early morning. waves 3 to 5 feet. 
.monday...west winds 10 to 15 knots backing to the south until
early morning. a chance of. waves 2 to 4 feet subsiding to 1 to
3 feet. 


$$
fzus63 kmkx 202044
glflm 
expires:202511210415;;213453

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 pm cst thu nov 20 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

a weak cold front over the upper mississippi river valley this 
afternoon will slowly move across lake michigan tonight. modest 
southwest winds will shift northwesterly and continue through
friday. light to modest north winds friday night will become light
and variable saturday morning when high pressure moves across the
region. winds will become southwesterly again saturday afternoon 
and evening, then westerly late saturday night and sunday with the
passage of another weak canadian cold front. 



lmz261-362-364-366-563-565-567-868-210415-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
244 pm cst thu nov 20 2025

sheboygan wi to pentwater mi north...

.tonight...west winds 15 to 25 kt becoming northwest 10 to 20 kt.
slight chance of rain this evening. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.friday...west winds 10 to 20 kt becoming northwest. waves 2 to
4 ft. 
.friday night...north winds 10 to 20 kt becoming northwest 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.saturday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft building to 1 to 3 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...west winds 10 to 20 kt. waves 3 to 5 ft subsiding to
1 to 3 ft. 
.sunday night...west winds 10 to 15 kt becoming southwest 5 to
10 kt. waves 1 to 2 ft. 
.monday...south winds 10 to 20 kt. waves 1 to 3 ft building to
2 to 4 ft. 
.tuesday...south winds 10 to 20 kt. rain likely. waves 3 to 5 ft.
 

$$
fzus63 kmkx 202044
glflm 
expires:202511210415;;213454

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 pm cst thu nov 20 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

a weak cold front over the upper mississippi river valley this 
afternoon will slowly move across lake michigan tonight. modest 
southwest winds will shift northwesterly and continue through
friday. light to modest north winds friday night will become light
and variable saturday morning when high pressure moves across the
region. winds will become southwesterly again saturday afternoon 
and evening, then westerly late saturday night and sunday with the
passage of another weak canadian cold front. 



lmz080-669-671-673-675-777-779-870-872-874-876-878-210415-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
244 pm cst thu nov 20 2025

sheboygan wi to pentwater mi south...

.tonight...southwest winds 10 to 20 kt becoming northwest. slight
chance of drizzle this evening. waves 2 to 4 ft. 
.friday...northwest winds 10 to 15 kt becoming north. slight
chance of drizzle in the afternoon. waves 2 to 4 ft. 
.friday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft. 
.saturday...north winds 5 to 10 kt backing to southwest 10 to
20 kt in the afternoon. waves 1 to 3 ft. 
.saturday night...southwest winds 10 to 20 kt becoming west.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.sunday...west winds 10 to 20 kt. waves 4 to 6 ft occasionally to
8 ft subsiding to 3 to 5 ft. 
.sunday night...southwest winds 5 to 10 kt becoming south 10 to
15 kt. waves 1 to 3 ft. 
.monday...southeast winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...south winds 10 to 20 kt becoming southwest. rain
likely. waves 4 to 6 ft occasionally to 8 ft.  

$$
© Copyright 2025 WeatherFlow, Inc · Contact Us ·