• 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 080710 cca
nshapx
expires:202604081515;;018138

nearshore marine forecast
national weather service gaylord mi
309 am edt wed apr 8 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.


lmz346-081515-
manistee to point betsie mi-
309 am edt wed apr 8 2026

...gale warning in effect from 11 am edt this morning through
late tonight...

.today...south wind 15 to 25 knots with gusts up to 30 knots. 
slight chance of snow early in the morning, then snow likely and a
chance of rain in the morning. waves 2 to 3 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.tonight...south wind up to 30 knots with gusts to around
35 knots. rain. waves 6 to 9 feet. 
.thursday...southwest wind 15 to 20 knots. sunny. waves 3 to
5 feet. 
.thursday night...light winds. chance of rain. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kgrb 081229
nshgrb
expires:202604081600;;029253

nearshore marine forecast
national weather service green bay wi
729 am cdt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-081600-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
729 am cdt wed apr 8 2026

...small craft advisory in effect until 10 am cdt this morning...
...gale warning in effect through this evening...

.today...s wind to 30 kts increasing to gales to 35 kts in the
late morning and afternoon. gusts to 40 kts. waves 8 to 12 ft
building to 10 to 14 ft in the afternoon. light snow and light
sleet likely in the morning. a chance of light rain. 
.tonight...s wind to 30 kts with gale force gusts to around
35 kts becoming sw 10 to 20 kts with gale force gusts to around
35 kts in the late evening and overnight. waves 10 to 14 ft
subsiding to 5 to 8 ft after midnight. rain and a slight chance
of thunderstorms in the evening, then a chance of light rain
after midnight. 
.thursday...w wind 10 to 15 kts. waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. mostly sunny. a small craft advisory
may be needed. 
.thursday night...nw wind 5 to 10 kts veering ne in the late
evening and overnight. waves 2 ft or less. a chance of light
rain.  

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029828

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz849-082000-
pentwater to manistee mi-
848 am edt wed apr 8 2026

...gale warning in effect through thursday morning...

.today...south winds to 30 knots increasing to gales to 35 knots
early in the afternoon. cloudy with a chance of snow, light sleet
and a slight chance of rain in the morning, then partly sunny in the
afternoon. waves 5 to 7 feet building to 6 to 8 feet early in the
afternoon. 
.tonight...south gales to 40 knots becoming southwest to 30 knots
after midnight. rain showers. waves 7 to 10 feet. 
.thursday...southwest winds 10 to 20 knots. mostly sunny. waves 5 to
7 feet. 
.thursday night...southwest winds 5 to 10 knots backing east in the
late evening and overnight. mostly cloudy with a slight chance of
rain showers. waves 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots backing north in the late
morning and afternoon. partly sunny with a slight chance of rain
showers. waves 1 foot or less. 
.saturday...southeast winds 5 to 10 knots veering southwest early in
the afternoon. sunny. waves less than 1 foot. 
.sunday...south winds to 30 knots. rain showers likely. waves 4 to
6 feet building to 5 to 7 feet early in the afternoon. 

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029833

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz844-082000-
st joseph to south haven mi-
848 am edt wed apr 8 2026

...small craft advisory in effect through thursday morning...

.today...south winds 15 to 25 knots. mostly cloudy with a slight
chance of rain in the morning, then mostly sunny in the afternoon.
waves 2 to 3 feet. 
.tonight...south winds to 30 knots. rain showers likely. waves 4 to
6 feet. 
.thursday...southwest winds 15 to 25 knots becoming northwest around
10 knots early in the afternoon. partly sunny with a chance of rain
showers. waves 3 to 5 feet subsiding to 1 to 2 feet early in the
afternoon. 
.thursday night...northeast winds 5 to 10 knots. mostly cloudy with
rain showers. waves around 1 foot. 
.friday...northeast winds 10 to 15 knots backing north early in the
afternoon. rain showers. waves around 1 foot. 
.saturday...northeast winds 5 to 10 knots. sunny. waves 1 foot or
less. 
.sunday...south winds 15 to 25 knots. mostly cloudy with a chance of
rain showers. waves 2 to 3 feet. 

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029832

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz845-082000-
south haven to holland mi-
848 am edt wed apr 8 2026

...small craft advisory in effect through thursday morning...

.today...south winds 15 to 25 knots. mostly cloudy with a slight
chance of rain in the morning, then mostly sunny in the afternoon.
waves 2 to 4 feet.
.tonight...south winds to 30 knots. rain showers likely. waves 5 to
7 feet. 
.thursday...southwest winds 15 to 25 knots veering northwest 10 to
15 knots early in the afternoon. partly sunny with a chance of rain
showers. waves 4 to 6 feet subsiding to 2 to 3 feet. 
.thursday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. mostly cloudy with rain showers. waves
1 to 2 feet. 
.friday...north winds 10 to 15 knots becoming around 15 knots early
in the afternoon. rain showers. waves around 1 foot. 
.saturday...northeast winds 5 to 10 knots. sunny. waves 1 foot or
less. 
.sunday...south winds 15 to 25 knots. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. 

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029831

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz846-082000-
holland to grand haven mi-
848 am edt wed apr 8 2026

...gale warning in effect through thursday morning...

.today...south winds to 30 knots. cloudy with a chance of rain and a
slight chance of snow in the morning, then mostly sunny in the
afternoon. waves 3 to 5 feet. 
.tonight...south winds to 30 knots increasing to gales to 35 knots
in the late evening and overnight. rain showers. waves 6 to 9 feet. 
.thursday...southwest winds to 30 knots becoming west 10 to 20 knots
in the late morning and afternoon. mostly sunny with a slight chance
of rain showers. waves 5 to 7 feet subsiding to 2 to 3 feet. 
.thursday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. mostly cloudy with rain showers. waves
1 to 2 feet. 
.friday...northeast winds around 10 knots backing north in the late
morning and afternoon. partly sunny with rain showers. waves around
1 foot. 
.saturday...east winds 5 to 10 knots. sunny. waves less than 1 foot.
.sunday...south winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 3 to 5 feet. 

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029830

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz847-082000-
grand haven to whitehall mi-
848 am edt wed apr 8 2026

...gale warning in effect through thursday morning...

.today...south winds to 30 knots. cloudy with a chance of rain and
snow in the morning, then mostly sunny in the afternoon. waves 4 to
6 feet building to 5 to 7 feet early in the afternoon. 
.tonight...south gales to 35 knots veering southwest after midnight.
rain showers. waves 7 to 10 feet. 
.thursday...southwest winds 15 to 25 knots veering west 10 to
15 knots early in the afternoon. mostly sunny with a chance of rain
showers. waves 5 to 7 feet subsiding to 3 to 5 feet in the late
morning and afternoon. 
.thursday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. mostly cloudy with a chance of rain
showers. waves 1 to 2 feet. 
.friday...northeast winds 5 to 10 knots backing north 10 to 15 knots
in the late morning and afternoon. partly sunny with a chance of
rain showers. waves around 1 foot. 
.saturday...east winds 5 to 10 knots veering southwest early in the
afternoon. sunny. waves less than 1 foot. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 4 to 6 feet building to 5 to 7 feet early in the
afternoon. 

$$
fzus53 kgrr 081248
nshgrr
expires:202604082000;;029829

nearshore marine forecast
national weather service grand rapids mi
848 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz848-082000-
whitehall to pentwater mi-
848 am edt wed apr 8 2026

...gale warning in effect through thursday morning...

.today...south winds to 30 knots increasing to gales to 35 knots
early in the afternoon. cloudy with a chance of snow and rain in the
morning, then partly sunny in the afternoon. waves 5 to 7 feet
building to 6 to 8 feet early in the afternoon. 
.tonight...south gales to 40 knots. rain showers. waves 7 to
10 feet. 
.thursday...southwest winds 15 to 25 knots veering west 10 to
15 knots early in the afternoon. mostly sunny. waves 5 to 7 feet
subsiding to 3 to 5 feet in the late morning and afternoon. 
.thursday night...north winds 5 to 10 knots veering east in the late
evening and overnight. mostly cloudy with a chance of rain showers.
waves 1 to 3 feet. 
.friday...northeast winds 5 to 10 knots backing north 10 to 15 knots
in the late morning and afternoon. partly sunny with a slight chance
of rain showers. waves 1 foot or less. 
.saturday...east winds 5 to 10 knots veering southwest early in the
afternoon. sunny. waves less than 1 foot. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 4 to 6 feet building to 5 to 7 feet early in the
afternoon. 

$$
fzus53 kiwx 080750
nshiwx
expires:202604081415;;019158

nearshore marine forecast
national weather service northern indiana
350 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz046-081415-
michigan city in to new buffalo mi-
350 am edt wed apr 8 2026

...small craft advisory in effect from 8 am edt this morning
through thursday morning...

.today...southeast winds 10 to 15 knots becoming south 15 to
20 knots by late morning. gusts up to 25 knots late morning into 
the afternoon. a slight chance of rain showers early. waves 1 to 
2 feet.
.tonight...south winds 15 to 20 knots. gusts up to 25 knots. a
chance of showers overnight. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots becoming west and
diminishing to less than 10 knots in the afternoon. showers
likely in the morning, then a chance of showers in the afternoon.
waves 1 to 3 feet. 
.thursday night...north winds 10 knots or less becoming east. a
chance of showers in the evening, then showers overnight. waves
1 foot or less. 

the water temperature at st. joseph is 45 degrees and at michigan
city is 46 degrees.

$$
fzus53 kiwx 080750
nshiwx
expires:202604081415;;019159

nearshore marine forecast
national weather service northern indiana
350 am edt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz043-081415-
new buffalo mi to st joseph mi-
350 am edt wed apr 8 2026

...small craft advisory in effect from 8 am edt this morning
through thursday morning...

.today...southeast winds 15 to 20 knots becoming south in the
morning. gusts up to 25 knots late morning into the afternoon. a 
slight chance of rain showers early. waves 1 to 3 feet. 
.tonight...south winds 15 to 25 knots. gusts up to 30 knots. a 
chance of showers overnight. waves 1 to 3 feet building to 3 to 4 
feet. 
.thursday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. gusts up to 25 knots. showers likely in the morning,
then a chance of showers in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday night...north winds 10 knots or less becoming east. a
chance of showers in the evening, then showers overnight. waves
1 foot or less. 

the water temperature at st. joseph is 45 degrees and at michigan
city is 46 degrees.

$$
fzus53 klot 080848
nshlot
expires:202604081530;;021402

nearshore marine forecast
national weather service chicago/romeoville il
348 am cdt wed apr 8 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>745-081530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
348 am cdt wed apr 8 2026

...small craft advisory in effect from 7 am cdt this morning
through thursday morning...

.today...southeast winds 15 to 20 kt becoming south 20 to 25 kt 
by late morning and increasing to 30 kt late this afternoon. 
slight chance of showers early in the morning. waves 2 to 4 ft.
.tonight...south winds to 30 kt becoming southwest and 
easing to 20 to 25 kt. chance of showers and slight chance of 
thunderstorms overnight. waves 2 to 4 ft. 
.thursday...southwest winds 15 to 20 kt becoming west 10 to 15 kt
in the afternoon, then northeast around 10 kts toward evening. 
showers likely and slight chance of thunderstorms in the morning. 
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday night...northeast winds 10 to 15 kt. chance of showers
and slight chance of thunderstorms. waves 1 to 2 ft. 

$$
fzus53 klot 080848
nshlot
expires:202604081530;;021401

nearshore marine forecast
national weather service chicago/romeoville il
348 am cdt wed apr 8 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>742-081530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
348 am cdt wed apr 8 2026

...small craft advisory in effect from 7 am cdt this morning
through late tonight...

.today...south winds 20 to 25 kt increasing to 30 kt this 
morning. occasional gale force gusts to 35 kt this afternoon. 
slight chance of showers early in the morning. waves 3 to 5 ft 
building to 4 to 6 ft occasionally to 8 ft. 
.tonight...south winds to 30 kt becoming southwest 15 to 20 kt
after midnight. showers likely and a slight chance of 
thunderstorms overnight. waves 4 to 6 ft occasionally to 8 ft 
subsiding to 3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt becoming west 10 to
15 kt by midday, then northeast around 10 kt late in the
afternoon. slight chance of showers in the morning. waves 1 to 3
ft.
.thursday night...east winds 10 to 15 kt becoming northeast.
showers and slight chance of thunderstorms. waves 1 to 2 ft.  

$$
fzus53 kmkx 081210
nshmkx
expires:202604081600;;028904

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz644-081600-
port washington to north point light wi-
710 am cdt wed apr 8 2026

...small craft advisory in effect through late tonight...

.today...south wind 15 to 25 knots. gusts up to 30 knots.
numerous showers in the morning, then isolated showers late in
the morning. waves 3 to 5 feet building to 6 to 8 feet. 
.tonight...south wind 15 to 25 knots veering southwest 15 to
20 knots after midnight, then easing to 10 to 15 knots early in
the morning. rain showers. waves 5 to 7 feet subsiding to 3 to
5 feet. 
.thursday...west wind 10 to 15 knots becoming 5 to 15 knots late
in the afternoon. sunny. waves 2 to 4 feet subsiding to 1 to
2 feet in the late morning and afternoon. 
.thursday night...east wind 5 to 10 knots backing northeast early
in the morning. rain showers likely through around midnight, then
showers after midnight. waves around 1 foot. 

$$
fzus53 kmkx 081210
nshmkx
expires:202604081600;;028906

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz646-081600-
wind point wi to winthrop harbor il-
710 am cdt wed apr 8 2026

...small craft advisory in effect through late tonight...

.today...south wind 15 to 25 knots. gusts up to 30 knots.
scattered showers in the morning. waves 4 to 6 feet. 
.tonight...south wind 15 to 25 knots with gusts to around
30 knots becoming south 15 to 25 knots late in the evening, then
veering southwest 15 to 20 knots with gusts to around 25 knots
after midnight easing to 10 to 15 knots early in the morning.
chance of showers through around midnight, then showers after
midnight. waves 4 to 6 feet subsiding to 3 to 4 feet after
midnight. 
.thursday...southwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon becoming southwest 5 to 10 knots late in the
afternoon. mostly sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast early
in the morning. rain showers likely through around midnight, then
showers after midnight. waves around 1 foot. 

$$
fzus53 kmkx 081210
nshmkx
expires:202604081600;;028903

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz643-081600-
sheboygan to port washington wi-
710 am cdt wed apr 8 2026

...small craft advisory in effect until 9 am cdt this morning...
...gale warning in effect until 7 pm cdt this evening...

.today...south wind 15 to 25 knots rising to up to 30 knots in
the late morning and afternoon. gusts up to 35 knots. numerous
showers and isolated snow showers in the morning, then scattered
showers late in the morning. waves 5 to 7 feet building to 7 to
9 feet in the late morning and afternoon. 
.tonight...south wind up to 30 knots easing to 15 to 25 knots
late in the evening, then becoming southwest 10 to 20 knots after
midnight becoming 10 to 15 knots early in the morning. rain
showers. waves 7 to 9 feet subsiding to 3 to 5 feet. 
.thursday...west wind 10 to 15 knots. sunny. waves 3 to 4 feet
subsiding to 1 to 2 feet in the afternoon. 
.thursday night...southeast wind 5 to 10 knots backing northeast
early in the morning. chance of showers through the night. waves
around 1 foot. 

$$
fzus53 kmkx 081210
nshmkx
expires:202604081600;;028905

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed apr 8 2026

for waters within five nautical miles of shore on lake michigan


lmz645-081600-
north point light to wind point wi-
710 am cdt wed apr 8 2026

...small craft advisory in effect through late tonight...

.today...south wind 15 to 25 knots. gusts up to 30 knots.
scattered showers in the morning. waves 3 to 5 feet building to
4 to 6 feet. 
.tonight...south wind 15 to 25 knots veering southwest 15 to
20 knots after midnight, then easing to 10 to 15 knots early in
the morning. chance of showers through around midnight. rain
showers after midnight. waves 4 to 6 feet subsiding to 3 to
5 feet in the late evening and overnight. 
.thursday...west wind 10 to 15 knots easing to 5 to 10 knots late
in the afternoon. mostly sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast early
in the morning. rain showers likely through around midnight, then
showers after midnight. waves around 1 foot. 

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