fzus53 kgrb 310136
nshgrb
expires:202607310400;;363282

nearshore marine forecast
national weather service green bay wi
836 pm cdt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-310400-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
836 pm cdt thu jul 30 2026

.tonight...sw wind 5 to 10 kts. waves 1 to 3 ft. patchy smoke
after midnight. 
.friday...sw wind 5 to 10 kts backing s in the late morning and
afternoon. waves 2 ft or less. a chance of showers in the
afternoon. 
.friday night...ne wind 10 to 15 kts. waves 1 to 3 ft. patchy
smoke in the evening. a chance of showers. 
.saturday...ne wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers.  

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363288

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz844-310800-
st joseph to south haven mi-
936 pm edt thu jul 30 2026

.through early evening...west winds around 5 knots. sunny. waves
less than 1 foot. 
.tonight...southwest winds 5 to 10 knots. partly cloudy. waves less
than 1 foot. 
.friday...southwest winds 5 to 10 knots veering northwest early in
the afternoon. partly sunny. waves less than 1 foot. 
.friday night...northeast winds 5 to 10 knots veering east 10 to
15 knots in the late evening and overnight. rain showers likely and
a slight chance of thunderstorms. waves 1 foot or less. 
.saturday...east winds 15 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday night...northeast winds 15 to 20 knots. mostly cloudy with
rain showers likely. waves 2 to 4 feet. 
.sunday...north winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 
.monday...northeast winds around 10 knots backing north early in the
afternoon. sunny. waves 1 to 3 feet. 
.tuesday...southeast winds around 10 knots veering south in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363287

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz845-310800-
south haven to holland mi-
936 pm edt thu jul 30 2026

.through early evening...southwest winds around 10 knots. sunny.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots. partly cloudy. waves
1 foot or less. 
.friday...southwest winds 5 to 10 knots veering northwest early in
the afternoon. partly sunny. waves 1 foot or less. 
.friday night...northeast winds 5 to 10 knots veering east 10 to
15 knots in the late evening and overnight. cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves 1 foot or
less. 
.saturday...east winds 15 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves around 1 foot. 
.saturday night...northeast winds 15 to 20 knots. mostly cloudy with
rain showers likely. waves 1 to 2 feet. 
.sunday...north winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 3 to 5 feet early in the afternoon. 
.monday...northeast winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday...southeast winds around 10 knots veering south in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves less than 1 foot. 

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363286

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz846-310800-
holland to grand haven mi-
936 pm edt thu jul 30 2026

.through early evening...south winds around 10 knots. sunny. waves
1 foot or less. 
.tonight...southwest winds 5 to 15 knots. partly cloudy. waves
around 1 foot. 
.friday...southwest winds around 10 knots veering west early in the
afternoon. mostly cloudy. waves around 1 foot. 
.friday night...north winds 5 to 10 knots veering northeast 10 to
15 knots in the late evening and overnight. cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves 1 foot or
less. 
.saturday...northeast winds 15 to 20 knots. rain showers likely.
waves around 1 foot. 
.saturday night...northeast winds 15 to 20 knots. mostly cloudy with
rain showers likely. waves 1 to 2 feet. 
.sunday...north winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 3 to 5 feet early in the afternoon. 
.monday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. waves around 1 foot. 
.tuesday...southeast winds around 10 knots veering west early in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363285

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz847-310800-
grand haven to whitehall mi-
936 pm edt thu jul 30 2026

.through early evening...south winds around 10 knots. mostly sunny.
waves 1 foot or less. 
.tonight...south winds 5 to 15 knots veering southwest after
midnight. partly cloudy. waves 1 to 2 feet. 
.friday...southwest winds 5 to 15 knots. mostly cloudy. waves around
1 foot. 
.friday night...north winds 5 to 10 knots veering northeast 10 to
15 knots in the late evening and overnight. rain showers likely and
a slight chance of thunderstorms. waves 1 foot or less. 
.saturday...northeast winds 15 to 20 knots. rain showers. waves
around 1 foot. 
.saturday night...northeast winds 15 to 20 knots. mostly cloudy.
waves 1 to 2 feet. 
.sunday...north winds 15 to 20 knots increasing to 30 knots early in
the afternoon. partly sunny. waves 2 to 4 feet building to 4 to
6 feet early in the afternoon. 
.monday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.tuesday...southeast winds 10 to 15 knots veering southwest early in
the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363284

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz848-310800-
whitehall to pentwater mi-
936 pm edt thu jul 30 2026

.through early evening...south winds 5 to 10 knots. sunny. waves
around 1 foot. 
.tonight...southwest winds 5 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.friday...southwest winds 10 to 15 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...north winds around 10 knots veering northeast in the
late evening and overnight. rain showers likely and a slight chance
of thunderstorms. waves around 1 foot. 
.saturday...northeast winds 10 to 20 knots. rain showers likely.
waves 1 to 3 feet. 
.saturday night...northeast winds 15 to 20 knots. partly cloudy.
waves 2 to 4 feet. 
.sunday...north winds to 30 knots. mostly sunny. waves 3 to 5 feet
building to 5 to 7 feet early in the afternoon. 
.monday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. waves around 1 foot. 
.tuesday...south winds 10 to 15 knots veering southwest early in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 310136
nshgrr
expires:202607310800;;363283

nearshore marine forecast
national weather service grand rapids mi
936 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz849-310800-
pentwater to manistee mi-
936 pm edt thu jul 30 2026

.through early evening...south winds 5 to 15 knots. sunny. waves
around 1 foot. 
.tonight...southwest winds 5 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...northwest winds 5 to 15 knots veering northeast in
the late evening and overnight. cloudy with a chance of rain
showers. waves 1 foot or less. 
.saturday...northeast winds 10 to 20 knots. rain showers likely.
waves 1 to 2 feet. 
.saturday night...northeast winds 10 to 20 knots. partly cloudy.
waves 1 to 3 feet. 
.sunday...north winds to 30 knots. mostly sunny. waves 2 to 4 feet
building to 3 to 5 feet in the late morning and afternoon. 
.monday...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less. 
.tuesday...south winds 10 to 20 knots veering southwest early in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kiwx 310213
nshiwx
expires:202607310815;;364584

nearshore marine forecast
national weather service northern indiana
1013 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz043-310815-
new buffalo mi to st joseph mi-
1013 pm edt thu jul 30 2026

.overnight...south winds less than 10 knots. partly cloudy.
waves 1 foot or less. 
.friday...south winds less than 10 knots becoming southeast.
mostly sunny. waves 1 foot or less. 
.friday night...east winds 10 knots or less increasing to 10 to
15 knots. showers likely with a slight chance of thunderstorms.
waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming northeast. showers
with a slight chance of thunderstorms. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 64 degrees.

$$

fzus53 kiwx 310213
nshiwx
expires:202607310815;;364585

nearshore marine forecast
national weather service northern indiana
1013 pm edt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz046-310815-
michigan city in to new buffalo mi-
1013 pm edt thu jul 30 2026

.overnight...southeast winds less than 10 knots becoming
south. partly cloudy. waves 1 foot or less. 
.friday...south winds less than 10 knots becoming southeast.
mostly sunny in the morning, then becoming mostly cloudy. waves
1 foot or less. 
.friday night...east winds 10 knots or less increasing to 10 to
15 knots. showers with a chance of thunderstorms. waves 1 foot or
less. 
.saturday...east winds 10 to 15 knots becoming northeast. showers
with a slight chance of thunderstorms. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 64 degrees.

$$

fzus53 klot 310200
nshlot
expires:202607310915;;363796

nearshore marine forecast
national weather service chicago/romeoville il
900 pm cdt thu jul 30 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>742-310915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
900 pm cdt thu jul 30 2026

.rest of tonight...south winds around 5 kt. mostly cloudy. waves 
1 ft or less.
.friday...south winds 10 to 15 kt becoming southeast in the 
afternoon. chance of showers in the afternoon. waves 1 ft or less 
building to 1 to 2 ft. 
.friday night...southeast winds 15 to 20 kt becoming east and
increasing to 20 to 25 kt. showers and slight chance of 
thunderstorms in the evening, then showers and a chance of 
thunderstorms overnight. waves 1 to 3 ft building to 4 to 6 ft 
occasionally to 8 ft. a small craft advisory will likely be 
needed.
.saturday...east winds 20 to 25 kt becoming northeast in the 
afternoon. showers and a chance of thunderstorms in the morning, 
then showers likely and slight chance of thunderstorms in the 
afternoon. waves 4 to 7 ft occasionally to 9 ft.

$$

fzus53 klot 310200
nshlot
expires:202607310915;;363797

nearshore marine forecast
national weather service chicago/romeoville il
900 pm cdt thu jul 30 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>745-310915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
900 pm cdt thu jul 30 2026

.rest of tonight...south winds around 5 kt. mostly cloudy early, 
then becoming partly cloudy. waves 1 ft or less. 
.friday...south winds 10 to 15 kt becoming southeast in the
afternoon. chance of showers in the afternoon. waves 1 ft or
less. 
.friday night...southeast winds 10 to 20 kt. showers likely in
the evening, then showers and a chance of thunderstorms
overnight. waves 1 to 3 ft. 
.saturday...east winds 15 to 20 kt becoming northeast and
increasing to 20 to 25 kt in the afternoon. showers and a chance 
of thunderstorms. waves 2 to 4 ft building to 4 to 6 ft 
occasionally to 8 ft. a small craft advisory will likely be 
needed. 

$$

fzus53 kmkx 310210
nshmkx
expires:202607311000;;364529

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz643-311000-
sheboygan to port washington wi-
910 pm cdt thu jul 30 2026

.rest of tonight...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. mostly cloudy. waves 1 to 2 feet. 
.friday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
slight chance of showers in the afternoon. waves around 1 foot. 
.friday night...east wind 5 to 10 knots becoming northeast 10 to
15 knots late in the evening, then rising to 15 to 20 knots after
midnight becoming 15 to 25 knots early in the morning. chance of
showers through around midnight, then showers and slight chance
of thunderstorms after midnight. waves 1 to 2 feet building to
3 to 5 feet after midnight. a small craft advisory may be needed.
.saturday...northeast wind 15 to 25 knots. showers likely. waves
4 to 6 feet. 

$$

fzus53 kmkx 310210
nshmkx
expires:202607311000;;364530

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz644-311000-
port washington to north point light wi-
910 pm cdt thu jul 30 2026

.rest of tonight...southwest wind 5 to 10 knots. mostly cloudy.
waves around 1 foot. 
.friday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
chance of showers in the afternoon. waves around 1 foot. 
.friday night...east wind 10 to 15 knots backing northeast late
in the evening, then becoming east 15 to 20 knots after midnight
becoming 15 to 25 knots early in the morning. showers likely
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 1 to 2 feet building to 4 to
6 feet. a small craft advisory may be needed. 
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers likely in the morning, then chance of showers in the
afternoon. waves 5 to 7 feet building to 6 to 8 feet in the late
morning and early afternoon, then subsiding to 5 to 7 feet late
in the afternoon. 

$$

fzus53 kmkx 310210
nshmkx
expires:202607311000;;364531

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz645-311000-
north point light to wind point wi-
910 pm cdt thu jul 30 2026

.rest of tonight...southwest wind 5 to 10 knots. mostly cloudy.
waves around 1 foot. 
.friday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
chance of showers in the afternoon. waves around 1 foot. 
.friday night...southeast wind 10 to 15 knots backing east late
in the evening, then rising to 15 to 20 knots after midnight
becoming 15 to 25 knots early in the morning. showers likely and
slight chance of thunderstorms through around midnight, then
showers and a chance of thunderstorms after midnight. waves 1 to
3 feet building to 4 to 6 feet. a small craft advisory may be
needed. 
.saturday...east wind 15 to 25 knots backing northeast late in
the afternoon. gusts up to 30 knots. showers. waves 5 to 7 feet
building to 6 to 8 feet in the late morning and afternoon. 

$$

fzus53 kmkx 310210
nshmkx
expires:202607311000;;364532

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu jul 30 2026

for waters within five nautical miles of shore on lake michigan


lmz646-311000-
wind point wi to winthrop harbor il-
910 pm cdt thu jul 30 2026

.rest of tonight...southwest wind 5 to 10 knots. mostly cloudy.
waves around 1 foot. 
.friday...south wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. chance of showers in the afternoon.
waves around 1 foot. 
.friday night...southeast wind 10 to 15 knots backing east late
in the evening, then rising to 15 to 20 knots after midnight
becoming 15 to 25 knots early in the morning. showers likely and
slight chance of thunderstorms through around midnight, then
showers and a chance of thunderstorms after midnight. waves 1 to
3 feet building to 3 to 5 feet after midnight. a small craft
advisory may be needed. 
.saturday...east wind 15 to 25 knots backing northeast late in
the afternoon. gusts up to 30 knots. showers in the morning, then
chance of showers in the afternoon. waves 5 to 7 feet. 

$$