• 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 260706
nshapx
expires:202511261815;;523212

nearshore marine forecast
national weather service gaylord mi
206 am est wed nov 26 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.


lmz346-261815-
manistee to point betsie mi-
206 am est wed nov 26 2025

...storm warning in effect from this afternoon through late
tonight...
...gale warning in effect from late tonight through late thursday
night...

.today...southwest wind 15 to 25 knots becoming west up to
30 knots with gusts to around 35 knots in the afternoon, then
becoming northwest gales to 40 knots early in the evening. rain
showers early in the morning, then showers likely in the morning.
snow showers in the afternoon. patchy blowing snow in the
afternoon. waves 6 to 9 feet building to 11 to 14 feet in the
afternoon. waves occasionally around 17 feet. 
.tonight...northwest gales to 40 knots, occasional storms to 50
knots. patchy blowing snow. snow showers. waves 13 to 18 feet. 
.thursday...northwest gales to 35 knots. patchy blowing snow.
snow showers likely. waves 10 to 15 feet. 
.thursday night...northwest wind up to 30 knots with gusts to
around 35 knots. patchy blowing snow. snow showers likely. waves
8 to 11 feet. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kgrb 260834
nshgrb
expires:202511261400;;526274

nearshore marine forecast
national weather service green bay wi
234 am cst wed nov 26 2025

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


lmz542-543-261400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
234 am cst wed nov 26 2025

...gale warning in effect from 9 am cst this morning through
thursday morning...

.early in the morning...sw wind 10 to 20 kts with a few gusts to
around 25 kts. patchy fog. a slight chance of light rain. waves
3 to 5 ft. 
.today...sw wind to around 30 kts with gale force gusts to around
40 kts veering nw wind to 35 kts with gale force gusts to around
45 kts in the afternoon. a chance of light rain in the morning.
light snow. light rain in the afternoon. waves 3 to 5 ft building
to 4 to 7 ft in the afternoon. 
.tonight...nw wind to 35 kts decreasing to around 30 kts after
midnight. gusts to around 45 kts. light snow likely in the
evening. waves 4 to 7 ft subsiding to 3 to 5 ft after midnight. 
.thursday...nw wind to around 30 kts with gusts to around 35 kts.
mostly cloudy. waves 3 to 5 ft subsiding to 2 to 4 ft late in the
afternoon. 
.thursday night...nw wind 15 to 25 kts with gusts to around
30 kts. mostly cloudy in the evening then becoming partly cloudy.
waves 2 to 4 ft subsiding to 1 to 3 ft early in the morning. a
small craft advisory may be needed. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526186

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz848-260930-
whitehall to pentwater mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest gales to 35 knots. cloudy with a chance
of rain showers. waves 6 to 9 feet. 
.wednesday...southwest gales to 45 knots becoming west storm force
winds to 55 knots early in the afternoon. rain and snow showers.
waves 12 to 16 feet building to 15 to 19 feet early in the
afternoon. 
.wednesday night...northwest storm force winds to 55 knots. snow
showers. waves 18 to 22 feet. 
.thanksgiving day...northwest storm force winds to 50 knots becoming
gales to 45 knots in the late morning and afternoon. snow showers
likely. waves 14 to 18 feet. 
.thursday night...northwest gales to 45 knots. snow showers likely.
waves 11 to 15 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of snow
showers. waves 7 to 11 feet subsiding to 4 to 6 feet early in the
afternoon. 
.saturday...south winds 5 to 15 knots becoming southeast to 30 knots
in the late morning and afternoon. snow showers. waves 1 to 2 feet
building to 4 to 6 feet in the late morning and afternoon. 
.sunday...northwest winds to 30 knots. snow showers likely. waves
6 to 8 feet. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526187

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz847-260930-
grand haven to whitehall mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest gales to 35 knots. mostly cloudy with a
chance of rain showers. waves 7 to 10 feet. 
.wednesday...southwest gales to 45 knots becoming west storm force
winds to 55 knots early in the afternoon. rain and snow showers.
waves 14 to 18 feet building to 16 to 20 feet early in the
afternoon. 
.wednesday night...northwest storm force winds to 55 knots. snow
showers. waves 18 to 22 feet. 
.thanksgiving day...northwest storm force winds to 50 knots becoming
gales to 45 knots in the late morning and afternoon. snow showers
likely. waves 14 to 18 feet. 
.thursday night...northwest gales to 40 knots. snow showers likely.
waves 11 to 15 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of snow
showers. waves 7 to 11 feet subsiding to 5 to 7 feet early in the
afternoon. 
.saturday...southeast winds to 30 knots. snow showers. waves 1 to
3 feet building to 4 to 6 feet in the late morning and afternoon. 
.sunday...west winds to 30 knots. snow showers likely. waves 6 to
9 feet. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526188

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz846-260930-
holland to grand haven mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest gales to 40 knots. cloudy with a chance
of rain showers. waves 7 to 10 feet. 
.wednesday...southwest gales to 45 knots becoming west storm force
winds to 55 knots early in the afternoon. rain and snow showers.
waves 14 to 18 feet building to 18 to 22 feet early in the
afternoon. 
.wednesday night...northwest storm force winds to 55 knots. snow
showers. waves 20 to 24 feet. 
.thanksgiving day...northwest storm force winds to 50 knots becoming
gales to 45 knots in the late morning and afternoon. snow showers
likely. waves 15 to 19 feet. 
.thursday night...northwest gales to 45 knots. snow showers. waves
12 to 16 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of snow
showers. waves 8 to 12 feet subsiding to 6 to 8 feet early in the
afternoon. 
.saturday...south winds to 30 knots. snow showers. waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon. 
.sunday...west winds to 30 knots veering northwest early in the
afternoon. snow showers likely. waves 6 to 9 feet. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526189

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz845-260930-
south haven to holland mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest gales to 40 knots. cloudy with a chance
of rain showers. waves 7 to 10 feet. 
.wednesday...southwest gales to 45 knots becoming west storm force
winds to 55 knots in the late morning and afternoon. rain and snow
showers. waves 13 to 17 feet building to 18 to 22 feet early in the
afternoon. 
.wednesday night...northwest storm force winds to 55 knots
decreasing to gales to 45 knots after midnight. snow showers. waves
20 to 24 feet. 
.thanksgiving day...northwest storm force winds to 50 knots becoming
gales to 45 knots in the late morning and afternoon. snow showers
likely. waves 15 to 19 feet. 
.thursday night...northwest gales to 45 knots. snow showers. waves
12 to 16 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of snow
showers. waves 9 to 13 feet subsiding to 6 to 8 feet early in the
afternoon. 
.saturday...south winds 15 to 25 knots. snow showers. waves 2 to
3 feet. 
.sunday...west winds to 30 knots veering northwest early in the
afternoon. snow showers likely. waves 6 to 9 feet. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526190

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz844-260930-
st joseph to south haven mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest gales to 40 knots. mostly cloudy with a
chance of rain showers. waves 7 to 10 feet. 
.wednesday...southwest gales to 45 knots becoming west storm force
winds to 55 knots in the late morning and afternoon. snow showers
and a slight chance of rain showers. waves 12 to 16 feet building to
17 to 21 feet early in the afternoon. 
.wednesday night...west storm force winds to 55 knots veering
northwest gales to 45 knots after midnight. snow showers. waves
18 to 22 feet. 
.thanksgiving day...northwest storm force winds to 50 knots becoming
gales to 45 knots in the late morning and afternoon. cloudy with
snow showers likely. waves 15 to 19 feet. 
.thursday night...northwest gales to 45 knots. snow showers likely.
waves 12 to 16 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of snow
showers. waves 9 to 13 feet subsiding to 6 to 8 feet early in the
afternoon. 
.saturday...south winds 15 to 25 knots. snow showers. waves 1 to
3 feet. 
.sunday...west winds to 30 knots. rain and snow showers likely.
waves 6 to 9 feet. 

$$
fzus53 kgrr 260828
nshgrr
expires:202511260930;;526185

nearshore marine forecast
national weather service grand rapids mi
328 am est wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz849-260930-
pentwater to manistee mi-
328 am est wed nov 26 2025

...gale warning in effect until 7 am est this morning...
...storm warning in effect from 7 am est this morning through late
tonight...

.rest of tonight...southwest winds to 30 knots. rain showers. patchy
fog. waves 5 to 7 feet. 
.wednesday...southwest gales to 40 knots becoming west storm force
winds to 50 knots early in the afternoon. rain and snow showers.
waves 9 to 13 feet building to 12 to 16 feet early in the afternoon.
.wednesday night...northwest storm force winds to 55 knots. snow
showers. waves 16 to 20 feet. 
.thanksgiving day...northwest storm force winds to 50 knots
decreasing to gales to 45 knots in the late morning and afternoon.
snow showers likely. waves 13 to 17 feet. 
.thursday night...northwest gales to 45 knots. snow showers likely.
waves 9 to 13 feet. 
.friday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy. waves 7 to 10 feet
subsiding to 4 to 6 feet early in the afternoon. 
.saturday...south winds 15 to 25 knots. snow showers. waves 1 to
3 feet building to 3 to 5 feet early in the afternoon. 
.sunday...northwest winds to 30 knots. snow showers likely. waves
5 to 7 feet. 

$$
fzus53 kiwx 260358
nshiwx
expires:202511260915;;515283

nearshore marine forecast
national weather service northern indiana
1058 pm est tue nov 25 2025

for waters within five nautical miles of shore on lake michigan


lmz043-046-260915-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1058 pm est tue nov 25 2025

...gale warning in effect from 4 am est wednesday through late
thursday night...

.rest of tonight...southwest winds 10 to 15 knots becoming west
and increasing to 30 knots after midnight. gusts up to 35 knot
gales. a chance of showers late this evening, then showers likely
after midnight. a slight chance of showers late. waves 2 feet or
less building to 6 to 9 feet. 
.wednesday...southwest gales to 35 knots becoming west to
40 knots. gusts up to 45 knot gales. a chance of rain and snow 
showers in the morning, then snow showers likely with a slight 
chance of rain showers in the afternoon. waves 8 to 11 feet 
building to 14 to 18 feet. 
.wednesday night...west gales to 40 knots diminishing to
35 knots. gusts up to 45 knot gales. snow showers likely. waves 
14 to 19 feet subsiding to 12 to 16 feet. 
.thursday...west gales to 35 knots becoming northwest and
diminishing to 30 knots. gusts up to 40 knot gales. a chance of
snow showers. waves 11 to 16 feet subsiding to 10 to 14 feet. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 49 degrees.

$$
fzus53 klot 260623
nshlot
expires:202511261015;;521956

nearshore marine forecast
national weather service chicago/romeoville il
1223 am cst wed nov 26 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>745-261015-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
1223 am cst wed nov 26 2025

...gale warning in effect through thursday evening...

.rest of tonight...southwest gales to 40 kt becoming west and 
increasing to 45 kt. chance of rain. waves 3 to 6 ft occasionally 
to 8 ft building to 5 to 8 ft occasionally to 10 ft. 
.wednesday...west gales to 45 kt with a few storm force gusts to
50 kt. chance of rain and snow. waves 7 to 10 ft occasionally to 
13 ft building to 10 to 14 ft occasionally to 18 ft. 
.wednesday night...west gales to 45 kt diminishing to 35 kt.
chance of snow in the evening. waves 8 to 12 ft occasionally to 16 
ft subsiding to 8 to 11 ft occasionally to 14 ft. 
.thursday...west winds to 30 kt becoming northwest. mostly
cloudy. waves 8 to 11 ft occasionally to 14 ft. 

$$
fzus53 klot 260623
nshlot
expires:202511261015;;521955

nearshore marine forecast
national weather service chicago/romeoville il
1223 am cst wed nov 26 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>742-261015-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
1223 am cst wed nov 26 2025

...gale warning in effect through thursday evening...

.rest of tonight...southwest gales to 40 kt becoming west and 
increasing to 45 kt. slight chance of rain. waves 3 to 5 ft 
building to 4 to 6 ft occasionally to 8 ft.
.wednesday...west gales to 45 kt with a few storm force gusts to
50 kt. chance of rain and snow. waves 4 to 7 ft occasionally to 9
ft.
.wednesday night...west gales to 45 kt diminishing to 35 kt.
chance of snow in the evening. waves 4 to 7 ft occasionally to 9 
ft.
.thursday...northwest winds to 30 kt. mostly cloudy. waves 4 to
6 ft occasionally to 8 ft. 

$$
fzus53 kmkx 260710
nshmkx
expires:202511261000;;523655

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz646-261000-
wind point wi to winthrop harbor il-
110 am cst wed nov 26 2025

...small craft advisory in effect until 6 am cst early this
morning...
...gale warning in effect from 6 am cst this morning through
thursday afternoon...

.rest of tonight...southwest wind up to 30 knots rising to gales
to 35 knots early in the morning. chance of rain early in the
morning. waves 3 to 4 feet building to 3 to 5 feet early in the
morning. 
.wednesday...west gales to 35 knots becoming gales to 40 knots in
the afternoon. gusts up to 45 knots. rain likely in the morning.
snow likely through the day. waves 4 to 6 feet building to 5 to
7 feet in the afternoon. 
.wednesday night...west gales to 40 knots. gusts up to 45 knots
through around midnight. slight chance of snow through around
midnight. waves 5 to 7 feet subsiding to 4 to 6 feet after
midnight. 
.thursday...northwest gales to 35 knots easing to up to 30 knots
in the afternoon. slight chance of snow in the afternoon. waves
4 to 6 feet. 

wave heights are for ice free areas.

$$
fzus53 kmkx 260710
nshmkx
expires:202511261000;;523654

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz645-261000-
north point light to wind point wi-
110 am cst wed nov 26 2025

...small craft advisory in effect until 6 am cst early this
morning...
...gale warning in effect from 6 am cst this morning through
thursday afternoon...

.rest of tonight...southwest wind up to 30 knots rising to gales
to 35 knots early in the morning. slight chance of rain after
midnight. chance of rain early in the morning. waves 3 to 4 feet
building to 3 to 5 feet early in the morning. 
.wednesday...southwest gales to 35 knots becoming west gales to
40 knots with gusts to around 45 knots in the afternoon. rain
likely in the morning. snow through the day. waves 4 to 6 feet
building to 6 to 8 feet. 
.wednesday night...west gales to 40 knots. gusts up to 45 knots
until early morning. slight chance of snow through around
midnight. waves 6 to 8 feet subsiding to 5 to 7 feet in the late
evening and overnight. 
.thursday...northwest gales to 35 knots. slight chance of snow in
the afternoon. waves 5 to 7 feet. 

wave heights are for ice free areas.

$$
fzus53 kmkx 260710
nshmkx
expires:202511261000;;523653

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz644-261000-
port washington to north point light wi-
110 am cst wed nov 26 2025

...small craft advisory in effect until 6 am cst early this
morning...
...gale warning in effect from 6 am cst this morning through
thursday afternoon...

.rest of tonight...southwest wind up to 30 knots. slight chance
of rain after midnight, then chance of rain early in the morning.
waves 3 to 4 feet building to 3 to 5 feet early in the morning. 
.wednesday...southwest gales to 35 knots becoming west storm
force winds to 45 knots with gusts to around 50 knots in the
afternoon. rain likely in the morning. snow through the day.
waves 4 to 6 feet building to 6 to 8 feet. 
.wednesday night...west storm force winds to 45 knots. slight
chance of snow through around midnight. waves 6 to 8 feet
subsiding to 5 to 7 feet in the late evening and overnight. 
.thursday...northwest gales to 35 knots. partly sunny. waves 4 to
6 feet. 

wave heights are for ice free areas.

$$
fzus53 kmkx 260710
nshmkx
expires:202511261000;;523652

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed nov 26 2025

for waters within five nautical miles of shore on lake michigan


lmz643-261000-
sheboygan to port washington wi-
110 am cst wed nov 26 2025

...small craft advisory in effect until 6 am cst early this
morning...
...gale warning in effect from 6 am cst this morning through
thursday afternoon...

.rest of tonight...southwest wind 15 to 25 knots rising to up to
30 knots early in the morning. chance of rain. waves 3 to 5 feet.
.wednesday...southwest gales to 35 knots becoming northwest gales
to 40 knots with gusts to around 45 knots in the afternoon. rain
in the morning. snow through the day. waves 4 to 6 feet building
to 6 to 8 feet. 
.wednesday night...northwest storm force winds to 45 knots
becoming west gales to 40 knots in the late evening and
overnight. chance of snow through around midnight. waves 6 to
8 feet subsiding to 5 to 7 feet in the late evening and
overnight. 
.thursday...northwest gales to 40 knots. slight chance of snow in
the afternoon. waves 5 to 7 feet subsiding to 4 to 6 feet in the
late morning and afternoon. 

wave heights are for ice free areas.

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