• 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 ·
IL- chicago area

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map

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

fzus53 kapx 121758
nshapx
expires:202507130200;;327756

nearshore marine forecast
national weather service gaylord mi
158 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

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.


lmz345-346-130200-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
158 pm edt sat jul 12 2025

.tonight...west wind 5 to 10 knots. slight chance of showers
early in the evening. waves 2 feet or less. 
.sunday...southwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.sunday night...southwest wind 5 to 10 knots. haze and areas of
smoke. waves 2 feet or less. 
.monday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kgrb 121828
nshgrb
expires:202507130200;;328911

nearshore marine forecast
national weather service green bay wi
128 pm cdt sat jul 12 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-130200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
128 pm cdt sat jul 12 2025

.this afternoon...sw wind 10 to 15 kts. a chance of light showers
and thunderstorms. waves 2 ft or less. 
.tonight...w wind 5 to 10 kts. areas of smoke. waves 2 ft or
less. 
.sunday...sw wind 5 to 10 kts. patchy smoke in the afternoon.
waves 2 ft or less. 
.sunday night...sw wind 5 to 10 kts. clear. waves 2 ft or less. 

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332815

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz849-130800-
pentwater to manistee mi-
405 pm edt sat jul 12 2025

.through early evening...southwest winds 15 to 25 knots. mostly
sunny with a slight chance of showers and thunderstorms. waves 2 to
4 feet. 
.tonight...west winds 10 to 15 knots. mostly clear. waves 2 to
3 feet. 
.sunday...west winds 10 to 15 knots backing southwest late in the
day. sunny. waves 1 to 2 feet. 
.sunday night...southwest winds 10 to 15 knots. mostly clear. waves
1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.monday night...south winds 5 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.wednesday...southwest winds 10 to 15 knots veering northwest 15 to
20 knots. partly sunny with a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.thursday...northeast winds 15 to 20 knots backing north. mostly
cloudy with a chance of rain showers. waves 2 to 3 feet. 

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332820

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz844-130800-
st joseph to south haven mi-
405 pm edt sat jul 12 2025

.through early evening...west winds 10 to 15 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...west winds around 10 knots veering northwest after
midnight. mostly clear. waves around 1 foot. 
.sunday...west winds 10 to 15 knots decreasing to around 10 knots
late in the day. mostly sunny. waves around 1 foot. 
.sunday night...southwest winds around 10 knots. mostly clear. waves
1 foot or less. 
.monday...southwest winds 5 to 15 knots. sunny. waves around 1 foot.
.monday night...south winds 5 to 10 knots. mostly clear. waves less
than 1 foot. 
.tuesday...south winds 5 to 10 knots. sunny. waves less than 1 foot.
.wednesday...southwest winds 10 to 15 knots veering west. partly
sunny with a chance of showers and thunderstorms. waves 1 to 2 feet.
.thursday...west winds around 15 knots veering northwest late in the
day. mostly cloudy with a chance of showers and thunderstorms. waves
2 to 3 feet. 

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332819

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz845-130800-
south haven to holland mi-
405 pm edt sat jul 12 2025

.through early evening...southwest winds 10 to 15 knots. sunny.
waves 1 to 3 feet. 
.tonight...southwest winds around 10 knots veering northwest after
midnight. mostly clear. waves 1 to 2 feet. 
.sunday...west winds 5 to 10 knots. mostly sunny. waves around
1 foot. 
.sunday night...southwest winds 5 to 10 knots. mostly clear. waves
1 foot or less. 
.monday...southwest winds 5 to 15 knots. sunny. waves 1 to 2 feet. 
.monday night...south winds 5 to 10 knots. mostly clear. waves
1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday...southwest winds 10 to 15 knots veering west. partly
sunny with a chance of showers and thunderstorms. waves 1 to 3 feet.
.thursday...west winds 15 to 20 knots veering northwest late in the
day. partly sunny with a chance of showers and thunderstorms. waves
2 to 4 feet.

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332818

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz846-130800-
holland to grand haven mi-
405 pm edt sat jul 12 2025

.through early evening...southwest winds 15 to 20 knots. mostly
sunny. waves 2 to 3 feet. 
.tonight...southwest winds 10 to 15 knots veering northwest after
midnight. mostly clear. waves 1 to 2 feet. 
.sunday...west winds around 10 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...southwest winds around 10 knots. mostly clear. waves
around 1 foot. 
.monday...southwest winds 10 to 15 knots. sunny. waves 1 to 2 feet. 
.monday night...south winds 5 to 10 knots. mostly clear. waves
around 1 foot. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny. waves
1 foot or less. 
.wednesday...south winds 10 to 15 knots veering west 15 to 20 knots.
partly sunny with a chance of showers and thunderstorms. waves 2 to
3 feet. 
.thursday...southwest winds 15 to 20 knots veering northwest late in
the day. partly sunny with a chance of rain showers. waves 2 to
4 feet. 

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332817

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz847-130800-
grand haven to whitehall mi-
405 pm edt sat jul 12 2025

.through early evening...southwest winds around 15 knots. mostly
sunny. waves 2 to 3 feet. 
.tonight...southwest winds 10 to 15 knots veering west after
midnight. mostly clear. waves 1 to 3 feet. 
.sunday...west winds around 10 knots backing southwest late in the
day. mostly sunny. waves 1 to 2 feet. 
.sunday night...southwest winds 10 to 15 knots. mostly clear. waves
1 to 2 feet. 
.monday...southwest winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.monday night...south winds around 10 knots. mostly clear. waves
1 to 2 feet. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.wednesday...south winds around 15 knots veering west. partly sunny
with a chance of showers and thunderstorms. waves 2 to 3 feet. 
.thursday...southwest winds around 20 knots veering northwest late
in the day. partly sunny with a chance of rain showers. waves 2 to
4 feet. 

$$
fzus53 kgrr 122005
nshgrr
expires:202507130800;;332816

nearshore marine forecast
national weather service grand rapids mi
405 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz848-130800-
whitehall to pentwater mi-
405 pm edt sat jul 12 2025

.through early evening...southwest winds 15 to 20 knots. mostly
sunny with a slight chance of showers and thunderstorms. waves 2 to
3 feet. 
.tonight...southwest winds 10 to 15 knots veering west after
midnight. mostly clear. a slight chance of rain showers in the
evening. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots backing southwest late in the
day. mostly sunny. waves 1 to 2 feet. 
.sunday night...southwest winds 10 to 15 knots. mostly clear. waves
1 to 2 feet. 
.monday...southwest winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.monday night...south winds 5 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.wednesday...southwest winds 10 to 15 knots veering northwest 15 to
20 knots. partly sunny with a chance of rain showers. waves 2 to
3 feet. 
.thursday...southwest winds 15 to 20 knots veering north. mostly
cloudy with a chance of rain showers. waves 2 to 4 feet.

$$
fzus53 kiwx 122007
nshiwx
expires:202507130215;;332975

nearshore marine forecast
national weather service northern indiana
407 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz043-130215-
new buffalo mi to st joseph mi-
407 pm edt sat jul 12 2025

.tonight...west winds 5 to 10 knots becoming northwest. a slight
chance of showers and thunderstorms early. waves 2 feet or less. 
.sunday...northwest winds 10 knots or less. sunny in the morning,
then becoming partly sunny. waves around 1 foot. 
.sunday night...light and variable winds. mostly clear. waves
1 foot or less. 
.monday...southwest winds 10 knots or less. sunny. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 74 degrees and at michigan
city is 63 degrees.

$$
fzus53 kiwx 122007
nshiwx
expires:202507130215;;332974

nearshore marine forecast
national weather service northern indiana
407 pm edt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz046-130215-
michigan city in to new buffalo mi-
407 pm edt sat jul 12 2025

.tonight...west winds 5 to 10 knots becoming northwest. a slight
chance of showers and thunderstorms early. waves 1 foot or less. 
.sunday...northwest winds 10 knots or less. sunny in the morning,
then becoming partly sunny. waves 1 foot or less. 
.sunday night...light and variable winds. partly cloudy. waves
1 foot or less. 
.monday...southwest winds 10 knots or less. sunny. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 74 degrees and at michigan
city is 63 degrees.

$$
fzus53 klot 122007
nshlot
expires:202507130315;;332979

nearshore marine forecast
national weather service chicago/romeoville il
307 pm cdt sat jul 12 2025

for waters within 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 waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-130315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
307 pm cdt sat jul 12 2025

.tonight...west winds 5 to 10 kt becoming northwest late. slight
chance of showers in the evening. waves 1 to 2 ft. 
.sunday...northwest winds 5 to 10 kt becoming northeast late.
mostly sunny in the morning, then becoming partly cloudy. waves
1 to 2 ft. 
.sunday night...southeast winds around 5 kt becoming southwest
overnight. partly cloudy in the evening then clearing. waves 1 ft
or less. 
.monday...southwest winds 5 to 10 kt becoming south. sunny. waves
1 ft or less.  

$$
fzus53 klot 122007
nshlot
expires:202507130315;;332978

nearshore marine forecast
national weather service chicago/romeoville il
307 pm cdt sat jul 12 2025

for waters within 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 waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740>742-130315-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
307 pm cdt sat jul 12 2025

.tonight...west winds 10 to 15 kt easing to 5 to 10 kt and becoming
northwest overnight. slight chance of showers in the evening. 
waves around 1 ft. 
.sunday...northwest winds 5 to 10 kt becoming east late. partly
cloudy. waves around 1 ft. 
.sunday night...south winds 5 to 10 kt becoming southwest
overnight. partly cloudy in the evening then clearing. waves 1 ft
or less. 
.monday...southwest winds 5 to 10 kt becoming south. sunny. waves
around 1 ft.  

$$
fzus53 kmkx 122005
nshmkx
expires:202507130900;;332824

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz646-130900-
wind point wi to winthrop harbor il-
305 pm cdt sat jul 12 2025

.through early evening...southwest wind 5 to 10 knots. partly
sunny. waves around 1 foot. 
.tonight...west wind 5 to 10 knots. slight chance of showers and
thunderstorms in the evening. waves around 1 foot. 
.sunday...west wind 5 to 10 knots backing south late in the
afternoon. partly sunny. waves around 1 foot. 
.sunday night...southwest wind 5 to 10 knots. areas of smoke
after midnight. waves around 1 foot. 
.monday...southwest wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then becoming south 5 to 10 knots late in
the afternoon. areas of smoke in the morning. waves around
1 foot. 

$$
fzus53 kmkx 122005
nshmkx
expires:202507130900;;332821

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz643-130900-
sheboygan to port washington wi-
305 pm cdt sat jul 12 2025

.through early evening...southwest wind 10 to 15 knots. partly
sunny with a 50 percent chance of showers and thunderstorms.
waves around 1 foot. 
.tonight...west wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then becoming west 5 to 10 knots after midnight
rising to 10 to 15 knots early in the morning. slight chance of
showers and thunderstorms in the evening. waves around 1 foot. 
.sunday...west wind 5 to 10 knots backing southwest late in the
afternoon. mostly sunny. waves around 1 foot. 
.sunday night...southwest wind 5 to 10 knots rising to 10 to
15 knots after midnight. areas of smoke. waves around 1 foot. 
.monday...southwest wind 10 to 15 knots. areas of smoke in the
morning. waves around 1 foot. 

$$
fzus53 kmkx 122005
nshmkx
expires:202507130900;;332822

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz644-130900-
port washington to north point light wi-
305 pm cdt sat jul 12 2025

.through early evening...southwest wind 5 to 10 knots rising to
10 to 15 knots late in the afternoon. partly sunny with a
20 percent chance of showers and thunderstorms. waves around
1 foot. 
.tonight...west wind 10 to 15 knots easing to 5 to 10 knots in
the late evening and early morning, then becoming west 5 to
10 knots early in the morning. slight chance of showers and
thunderstorms in the evening. waves around 1 foot. 
.sunday...west wind 5 to 10 knots backing south late in the
afternoon. mostly sunny. waves around 1 foot. 
.sunday night...southwest wind 5 to 10 knots. areas of smoke
through the night. waves around 1 foot. 
.monday...southwest wind 10 to 15 knots. areas of smoke in the
morning. waves around 1 foot. 

$$
fzus53 kmkx 122005
nshmkx
expires:202507130900;;332823

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt sat jul 12 2025

for waters within five nautical miles of shore on lake michigan


lmz645-130900-
north point light to wind point wi-
305 pm cdt sat jul 12 2025

.through early evening...southwest wind 5 to 10 knots rising to
10 to 15 knots late in the afternoon. partly sunny with a
20 percent chance of showers and thunderstorms. waves around
1 foot. 
.tonight...west wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then becoming west 5 to 10 knots after midnight.
slight chance of showers and thunderstorms in the evening. waves
around 1 foot. 
.sunday...west wind 5 to 10 knots backing south late in the
afternoon. partly sunny. waves around 1 foot. 
.sunday night...southwest wind 5 to 10 knots. areas of smoke
through the night. waves around 1 foot. 
.monday...southwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming southwest 10 to 15 knots in
the afternoon. areas of smoke in the morning. waves around
1 foot. 

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