• 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 031940
nshapx
expires:202607040345;;354428

nearshore marine forecast
national weather service gaylord mi
340 pm edt fri jul 3 2026

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.


lmz346-040345-
manistee to point betsie mi-
340 pm edt fri jul 3 2026

.tonight...light winds. chance of showers. waves 2 feet or less. 
.saturday...north wind 5 to 10 knots. slight chance of showers
and thunderstorms. waves 2 feet or less. 
.saturday night...east wind 5 to 10 knots. showers likely and a
chance of thunderstorms. waves 2 feet or less. 
.sunday...northeast wind 10 to 15 knots. chance of showers. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus53 kgrb 031936
nshgrb
expires:202607032200;;354135

nearshore marine forecast
national weather service green bay wi
236 pm cdt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-032200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
236 pm cdt fri jul 3 2026

.this afternoon...sw wind 10 to 15 kts. waves 2 ft or less. a
slight chance of showers and thunderstorms. 
.tonight...s wind 5 to 10 kts veering sw, then veering n after
midnight. waves 2 ft or less. a slight chance of showers and
thunderstorms. patchy fog after midnight. 
.saturday...ne wind 5 to 10 kts. waves 2 ft or less. a chance of
showers in the afternoon. 
.saturday night...ne wind 10 to 15 kts. waves 1 to 3 ft. a chance
of showers and thunderstorms.  

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356708

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz844-040800-
st joseph to south haven mi-
417 pm edt fri jul 3 2026

...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...

.through early evening...southwest winds 5 to 10 knots. mostly sunny
with rain showers likely and a chance of thunderstorms. waves 1 foot
or less. 
.tonight...south winds 5 to 10 knots. partly cloudy with rain
showers likely and a chance of thunderstorms in the evening, then
mostly cloudy with a chance of rain showers and a slight chance of
thunderstorms after midnight. waves 1 foot or less. 
.independence day...southwest winds 5 to 10 knots veering west early
in the afternoon. partly sunny with a chance of rain showers and a
slight chance of thunderstorms. waves less than 1 foot. 
.saturday night...northeast winds 5 to 10 knots backing southwest in
the late evening and overnight. mostly cloudy with a chance of
showers and thunderstorms. waves 1 foot or less. 
.sunday...west winds 10 to 15 knots. partly sunny with a chance of
rain showers and a slight chance of thunderstorms. waves around
1 foot. 
.sunday night...north winds around 10 knots veering northeast in the
late evening and overnight. partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.tuesday...north winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves around 1 foot. 
.wednesday...south winds around 5 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356707

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz845-040800-
south haven to holland mi-
417 pm edt fri jul 3 2026

...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...

.through early evening...southwest winds 5 to 10 knots. mostly sunny
with a chance of rain showers and a slight chance of thunderstorms.
waves around 1 foot. 
.tonight...southwest winds 5 to 10 knots. partly cloudy with a
chance of showers and thunderstorms. waves 1 foot or less. 
.independence day...southwest winds 5 to 10 knots veering west early
in the afternoon. partly sunny with a chance of rain showers and a
slight chance of thunderstorms. waves 1 foot or less. 
.saturday night...north winds 5 to 10 knots backing southwest 10 to
15 knots in the late evening and overnight. mostly cloudy with a
chance of showers and thunderstorms. waves around 1 foot. 
.sunday...south winds 10 to 15 knots veering west early in the
afternoon. partly sunny with a chance of rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots veering northeast in the
late evening and overnight. partly cloudy. waves 1 to 2 feet. 
.monday...north winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.tuesday...north winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves around 1 foot. 
.wednesday...southwest winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356706

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz846-040800-
holland to grand haven mi-
417 pm edt fri jul 3 2026

...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...

.through early evening...southwest winds around 10 knots. mostly
sunny with a chance of rain showers and a slight chance of
thunderstorms. waves 1 to 2 feet. 
.tonight...southwest winds 5 to 10 knots. partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.independence day...southwest winds 5 to 10 knots veering west early
in the afternoon. partly sunny with a chance of rain showers and a
slight chance of thunderstorms. waves 1 foot or less. 
.saturday night...northwest winds around 10 knots backing southwest
in the late evening and early morning, then backing southeast after
midnight. mostly cloudy with a chance of showers and thunderstorms.
waves around 1 foot. 
.sunday...southeast winds 10 to 15 knots veering southwest in the
late morning and early afternoon, then veering west early in the
afternoon. partly sunny with a chance of rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots veering east in the late
evening and early morning, then backing northeast after midnight.
partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. partly sunny. waves around 1 foot. 
.tuesday...north winds 5 to 10 knots backing northwest 10 to
15 knots in the late morning and afternoon. mostly sunny. waves
1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. mostly sunny. waves less
than 1 foot. 

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356705

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz847-040800-
grand haven to whitehall mi-
417 pm edt fri jul 3 2026

.through early evening...southwest winds around 10 knots. mostly
sunny with a chance of rain showers and a slight chance of
thunderstorms. waves 1 to 2 feet. 
.tonight...south winds around 10 knots. partly cloudy in the evening
then becoming mostly cloudy. a chance of rain showers and a slight
chance of thunderstorms. waves around 1 foot. 
.independence day...southwest winds around 10 knots veering west
early in the afternoon. partly sunny with a chance of rain showers
and a slight chance of thunderstorms. waves 1 foot or less. 
.saturday night...northwest winds around 10 knots veering east in
the late evening and overnight. mostly cloudy with a chance of
showers and thunderstorms. waves 1 foot or less. 
.sunday...east winds around 15 knots veering south in the late
morning and early afternoon, then veering southwest early in the
afternoon. mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...east winds around 15 knots backing north after
midnight. partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. partly sunny. waves around 1 foot. 
.tuesday...north winds around 10 knots backing northwest in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds around 10 knots. mostly sunny. waves
less than 1 foot. 

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356704

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz848-040800-
whitehall to pentwater mi-
417 pm edt fri jul 3 2026

.through early evening...south winds 10 to 15 knots. partly sunny.
waves 1 to 2 feet. 
.tonight...south winds 5 to 10 knots. partly cloudy in the evening
then becoming mostly cloudy. a chance of rain showers and a slight
chance of thunderstorms. waves around 1 foot. 
.independence day...south winds 5 to 10 knots veering northwest
10 to 15 knots early in the afternoon. partly sunny with a slight
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday night...north winds 10 to 15 knots veering east in the
late evening and overnight. mostly cloudy with a chance of showers
and thunderstorms. waves 1 foot or less. 
.sunday...east winds around 15 knots veering south in the late
morning and afternoon. mostly cloudy with a chance of rain showers
and a slight chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...southeast winds 15 to 20 knots backing north 10 to
15 knots after midnight. partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. partly sunny. waves 1 to 2 feet. 
.tuesday...north winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. mostly sunny. waves 1 foot or less.
.wednesday...southwest winds 5 to 15 knots. mostly sunny. waves
1 foot or less. 

$$
fzus53 kgrr 032017
nshgrr
expires:202607040800;;356703

nearshore marine forecast
national weather service grand rapids mi
417 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz849-040800-
pentwater to manistee mi-
417 pm edt fri jul 3 2026

.through early evening...southwest winds 10 to 15 knots. partly
sunny. waves 1 to 2 feet. 
.tonight...south winds 5 to 10 knots becoming around 5 knots after
midnight. partly cloudy in the evening then becoming mostly cloudy.
a chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.independence day...southeast winds 5 to 10 knots veering northwest
in the late morning and early afternoon, then veering north 10 to
15 knots early in the afternoon. mostly cloudy with a slight chance
of showers and thunderstorms. waves around 1 foot. 
.saturday night...north winds 10 to 15 knots veering east in the
late evening and overnight. mostly cloudy with a chance of showers
and thunderstorms. waves around 1 foot. 
.sunday...east winds 10 to 20 knots veering south early in the
afternoon. rain showers likely and a chance of thunderstorms. waves
1 to 2 feet. 
.sunday night...south winds 10 to 20 knots backing northeast after
midnight. partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.tuesday...north winds around 5 knots backing northwest 5 to
15 knots in the late morning and afternoon. mostly sunny. waves
1 foot or less. 
.wednesday...southwest winds 5 to 15 knots. mostly sunny. waves
1 foot or less. 

$$
fzus53 kiwx 032008
nshiwx
expires:202607040215;;355876

nearshore marine forecast
national weather service northern indiana
408 pm edt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-040215-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
408 pm edt fri jul 3 2026

...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...

.tonight...south winds less than 10 knots becoming southwest. a
chance of showers and thunderstorms this evening, then a slight 
chance of thunderstorms after midnight. waves 1 foot or less. 
.saturday...southwest winds less than 10 knots becoming
northwest. a chance of showers with a slight chance of
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 1 foot or less. 
.saturday night...north winds 10 knots or less becoming
southwest. a chance of showers and thunderstorms in the evening,
then a chance of showers with a slight chance of thunderstorms
overnight. waves 1 foot or less. 
.sunday...west winds 5 to 10 knots becoming northwest. a chance
of showers with a slight chance of thunderstorms. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 68 degrees and at michigan
city is 48 degrees.

$$
fzus53 klot 032038
nshlot
expires:202607040315;;357550

nearshore marine forecast
national weather service chicago/romeoville il
338 pm cdt fri jul 3 2026

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>742-040315-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
338 pm cdt fri jul 3 2026

.tonight...south winds 10 to 15 kt becoming southwest. scattered 
showers and thunderstorms. waves 1 to 3 ft. 
.saturday...south winds around 10 kt becoming east in the
afternoon. scattered showers and thunderstorms. waves around
1 to 2 ft. 
.saturday night...north winds around 10 kt becoming northwest
overnight. scattered showers and thunderstorms. waves 1 to 2 ft. 
.sunday...northwest winds 10 to 15 kt. scattered showers and
thunderstorms. waves 1 to 2 ft.

$$
fzus53 klot 032038
nshlot
expires:202607040315;;357551

nearshore marine forecast
national weather service chicago/romeoville il
338 pm cdt fri jul 3 2026

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>745-040315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
338 pm cdt fri jul 3 2026

...severe thunderstorm watch 445 in effect until 7 pm cdt this
evening...

.tonight...southeast winds 10 to 15 kt becoming southwest this
evening. scattered showers and thunderstorms. some thunderstorms 
may produce damaging winds and large hail in the evening. waves 
1 to 3 ft.
.saturday...south winds around 10 kt becoming southeast in the
afternoon. scattered showers and thunderstorms. waves 1 ft or
less. 
.saturday night...northwest winds around 10 kt becoming west
overnight. scattered showers and thunderstorms. waves 1 to 2 ft.
.sunday...west winds 10 to 15 kt becoming northwest in the
afternoon. scattered showers and thunderstorms. waves 1 to 2 ft. 

$$
fzus53 kmkx 032010
nshmkx
expires:202607040900;;356402

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz646-040900-
wind point wi to winthrop harbor il-
310 pm cdt fri jul 3 2026

...severe thunderstorm watch 445 in effect until 7 pm cdt this
evening...

.through early evening...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. partly sunny with a 40 percent
chance of showers and thunderstorms. some thunderstorms may be
severe with damaging winds and large hail. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest after
midnight, then easing to 5 knots early in the morning. slight
chance of showers and thunderstorms in the evening, then chance
of showers and thunderstorms late in the evening. slight chance
of showers and thunderstorms after midnight. patchy fog after
midnight. waves around 1 foot. 
.saturday...southwest wind 5 to 10 knots backing east late in the
afternoon. patchy fog in the morning. slight chance of showers
and thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon. waves around 1 foot. 
.saturday night...northeast wind 5 to 10 knots backing northwest
after midnight. chance of thunderstorms through around midnight.
chance of showers through the night. slight chance of
thunderstorms after midnight. waves around 1 foot. 
.sunday...northwest wind 5 to 10 knots becoming west 10 to
15 knots in the late morning and afternoon. chance of showers.
waves around 1 foot. 

$$
fzus53 kmkx 032010
nshmkx
expires:202607040900;;356400

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz644-040900-
port washington to north point light wi-
310 pm cdt fri jul 3 2026

.through early evening...south wind 5 to 10 knots. partly sunny
with a 20 percent chance of showers and thunderstorms. some
thunderstorms may produce damaging winds and large hail. waves
around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then becoming southwest 5 to 10 knots after midnight
easing to 5 knots early in the morning. patchy fog through the
night. slight chance of thunderstorms in the evening. slight
chance of showers through the night. slight chance of
thunderstorms in the late evening and overnight. waves around
1 foot. 
.saturday...west wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
backing northeast late in the afternoon. patchy fog in the
morning. slight chance of showers and thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon. waves around 1 foot. 
.saturday night...northeast wind 5 to 10 knots backing north
early in the morning. chance of thunderstorms through around
midnight. chance of showers through the night. slight chance of
thunderstorms after midnight. waves around 1 foot. 
.sunday...north wind 10 to 15 knots backing west late in the
morning, then backing southwest early in the afternoon veering
northwest late in the afternoon. chance of showers. waves 1 to
2 feet. 

$$
fzus53 kmkx 032010
nshmkx
expires:202607040900;;356399

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz643-040900-
sheboygan to port washington wi-
310 pm cdt fri jul 3 2026

.through early evening...south wind 10 to 15 knots. partly sunny
with a 20 percent chance of showers and thunderstorms. waves
around 1 foot. 
.tonight...south wind 5 to 15 knots veering southwest 5 to
10 knots in the late evening and early morning, then easing to
5 knots early in the morning. patchy fog. slight chance of
showers and thunderstorms. waves around 1 foot. 
.saturday...northwest wind 5 to 10 knots veering northeast in the
late morning and early afternoon, then rising to 10 to 15 knots
late in the afternoon. patchy fog in the morning. slight chance
of showers and thunderstorms in the morning, then chance of
showers and thunderstorms in the afternoon. waves around 1 foot. 
.saturday night...northeast wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then backing north after midnight
rising to 10 to 15 knots early in the morning. chance of
thunderstorms through around midnight. chance of showers through
the night. slight chance of thunderstorms after midnight. waves
1 to 2 feet. 
.sunday...north wind 10 to 15 knots backing west late in the
morning, then backing southwest with gusts to around 20 knots
early in the afternoon becoming north 15 to 20 knots late in the
afternoon. chance of showers. waves 1 to 2 feet building to 2 to
4 feet late in the afternoon. 

$$
fzus53 kmkx 032010
nshmkx
expires:202607040900;;356401

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 3 2026

for waters within five nautical miles of shore on lake michigan


lmz645-040900-
north point light to wind point wi-
310 pm cdt fri jul 3 2026

...severe thunderstorm watch 445 in effect until 7 pm cdt this
evening...

.through early evening...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. mostly cloudy with a 20 percent
chance of showers and thunderstorms. some thunderstorms may be
severe with damaging winds and large hail. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest after
midnight, then easing to 5 knots early in the morning. patchy fog
in the evening. patchy fog after midnight. slight chance of
thunderstorms in the evening. slight chance of showers through
the night. slight chance of thunderstorms in the late evening and
overnight. waves around 1 foot. 
.saturday...west wind 5 to 10 knots backing southeast late in the
morning, then backing east early in the afternoon becoming east
5 to 10 knots late in the afternoon. patchy fog in the morning.
slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon. waves
around 1 foot. 
.saturday night...northeast wind 5 to 10 knots backing north
early in the morning. chance of thunderstorms through around
midnight. chance of showers through the night. slight chance of
thunderstorms after midnight. waves around 1 foot. 
.sunday...northwest wind 10 to 15 knots backing west late in the
morning, then becoming west 10 to 15 knots in the afternoon.
chance of showers through the day. waves around 1 foot. 

$$
© Copyright 2026 WeatherFlow, Inc · Contact Us ·