fzus53 kapx 311921
nshapx
expires:202608010330;;404635

nearshore marine forecast
national weather service gaylord mi
321 pm edt fri jul 31 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.


lmz346-010330-
manistee to point betsie mi-
321 pm edt fri jul 31 2026

.through early evening...northwest wind 5 to 10 knots. partly
sunny. waves 2 feet or less. 
.tonight...northeast wind 5 to 10 knots. scattered showers and
isolated thunderstorms. waves 2 feet or less. 
.saturday...northeast wind 5 to 10 knots. showers likely. waves
2 feet or less. 
.saturday night...northeast wind 10 to 15 knots. chance of
showers. waves 2 to 3 feet. 
.sunday...north wind 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 312023
nshgrb
expires:202608010400;;407059

nearshore marine forecast
national weather service green bay wi
323 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-010400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
323 pm cdt fri jul 31 2026

...small craft advisory in effect from late tonight through
sunday evening...

.late this afternoon...s wind 5 to 10 kts. waves 2 ft or less.
showers likely. 
.tonight...ne wind 10 to 15 kts. waves 2 ft or less building to
3 to 5 ft after midnight. showers. patchy fog and smoke after
midnight. 
.saturday...ne wind 10 to 20 kts. waves 3 to 5 ft. patchy fog in
the morning. patchy smoke. showers likely in the morning. a
chance of showers in the afternoon. 
.saturday night...n wind 15 to 25 kts. waves 3 to 5 ft. patchy
smoke in the evening. 
.sunday...ne wind 15 to 25 kts. waves 3 to 5 ft. partly cloudy in
the morning then clearing.  

$$

fzus53 kgrb 312006
nshgrb
expires:202608010400;;405937

nearshore marine forecast
national weather service green bay wi
306 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-010400-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
306 pm cdt fri jul 31 2026

.late this afternoon...sw wind 5 to 10 kts. waves 2 ft or less. a
chance of showers. 
.tonight...nw wind 5 to 10 kts veering ne 10 to 15 kts in the
late evening and overnight. waves 2 ft or less building to 2 to
4 ft after midnight. a slight chance of thunderstorms in the
evening. showers likely. patchy fog after midnight. 
.saturday...ne wind 10 to 15 kts. waves 3 to 5 ft. patchy fog in
the morning. patchy smoke. a chance of showers. a small craft
advisory may be needed. 
.saturday night...ne wind 15 to 25 kts. waves 3 to 5 ft. cloudy.
.sunday...ne wind 15 to 25 kts. waves 3 to 5 ft. mostly sunny.  

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400151

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz847-010800-
grand haven to whitehall mi-
223 pm edt fri jul 31 2026

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

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400150

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz848-010800-
whitehall to pentwater mi-
223 pm edt fri jul 31 2026

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

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400149

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz849-010800-
pentwater to manistee mi-
223 pm edt fri jul 31 2026

.through early evening...southwest winds 5 to 10 knots. cloudy.
waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots veering northeast in the
late evening and overnight. a chance of rain showers and a slight
chance of thunderstorms in the evening, then rain showers likely and
a slight chance of thunderstorms after midnight. waves around
1 foot. 
.saturday...northeast winds 10 to 20 knots. rain showers. waves 1 to
3 feet. 
.saturday night...northeast winds 10 to 20 knots. cloudy with a
chance of rain showers. waves 1 to 3 feet building to 2 to 4 feet
after midnight. 
.sunday...north winds to 30 knots. mostly sunny. waves 3 to 5 feet. 
.sunday night...north winds to 30 knots becoming northeast 10 to
20 knots in the late evening and overnight. mostly clear. waves 3 to
5 feet subsiding to 1 to 2 feet after midnight. 
.monday...north winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. sunny. waves around 1 foot. 
.tuesday...southeast winds 5 to 15 knots veering southwest in the
late morning and afternoon. sunny. waves around 1 foot. 
.wednesday...south winds 5 to 10 knots veering west 10 to 15 knots
in the late morning and afternoon. partly sunny. waves around
1 foot. 

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400154

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz844-010800-
st joseph to south haven mi-
223 pm edt fri jul 31 2026

.through early evening...southwest winds 5 to 10 knots. cloudy.
waves less than 1 foot. 
.tonight...southeast winds around 10 knots backing east in the late
evening and overnight. a chance of rain showers and a slight chance
of thunderstorms in the evening, then rain showers and a chance of
thunderstorms after midnight. waves around 1 foot. 
.saturday...east winds 15 to 20 knots. rain showers and a chance of
thunderstorms. waves 1 to 2 feet. 
.saturday night...northeast winds 20 to 25 knots. rain showers
likely and a chance of thunderstorms. waves 3 to 5 feet. 
.sunday...north winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 3 to 5 feet. 
.sunday night...north winds 15 to 25 knots veering northeast 10 to
15 knots after midnight. partly cloudy. waves 4 to 6 feet. 
.monday...north winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.tuesday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400153

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz845-010800-
south haven to holland mi-
223 pm edt fri jul 31 2026

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

$$

fzus53 kgrr 311823
nshgrr
expires:202608010800;;400152

nearshore marine forecast
national weather service grand rapids mi
223 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz846-010800-
holland to grand haven mi-
223 pm edt fri jul 31 2026

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

$$

fzus53 kiwx 311941
nshiwx
expires:202608010215;;405064

nearshore marine forecast
national weather service northern indiana
341 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz043-010215-
new buffalo mi to st joseph mi-
341 pm edt fri jul 31 2026

...small craft advisory in effect from saturday afternoon through
late sunday night...

.tonight...south winds 5 to 15 knots becoming east. showers
likely early, then showers likely with a slight chance of
thunderstorms late this evening. showers likely with a chance of
thunderstorms after midnight. waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming northeast. gusts
up to 25 knots. showers with a chance of thunderstorms. waves
1 to 3 feet. 
.saturday night...northeast winds 15 to 20 knots. gusts up to
25 knots. showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms overnight. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday...northeast winds 15 to 20 knots becoming north. gusts up
to 25 knots. a chance of showers. waves 3 to 5 feet building to
3 to 6 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 57 degrees and at michigan
city is 68 degrees.

$$

fzus53 kiwx 311941
nshiwx
expires:202608010215;;405065

nearshore marine forecast
national weather service northern indiana
341 pm edt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz046-010215-
michigan city in to new buffalo mi-
341 pm edt fri jul 31 2026

...small craft advisory in effect from saturday afternoon through
late sunday night...

.tonight...south winds 5 to 15 knots becoming east. showers
likely early, then showers likely with a slight chance of
thunderstorms late this evening. showers likely with a chance of
thunderstorms after midnight. waves 2 feet or less. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. showers with a chance of
thunderstorms. waves 1 to 3 feet. 
.saturday night...northeast winds 15 to 20 knots. gusts up to
30 knots. showers likely with a chance of thunderstorms in the
evening, then showers likely with a slight chance of
thunderstorms overnight. waves 3 to 6 feet. 
.sunday...northeast winds 15 to 20 knots becoming north. gusts up
to 30 knots. a chance of showers. waves 3 to 6 feet building to
4 to 7 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 57 degrees and at michigan
city is 68 degrees.

$$

fzus53 klot 312020
nshlot
expires:202607312145;;406993

nearshore marine forecast
national weather service chicago/romeoville il
320 pm cdt fri jul 31 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>745-312145-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
320 pm cdt fri jul 31 2026

...small craft advisory in effect from saturday morning through
late sunday night...

.rest of today...southeast winds 15 to 20 kt. showers. waves 1 to
2 ft. 
.tonight...southeast winds 10 to 20 kt becoming east overnight.
showers and a chance of thunderstorms. waves 1 to 3 ft building
to 2 to 4 ft. 
.saturday...east winds 20 to 25 kt increasing to 30 kt in the 
afternoon. showers and a chance of thunderstorms. waves 2 to 4 ft 
building to 4 to 7 ft occasionally to 9 ft. 
.saturday night...northeast winds to 30 kt. showers likely and a
chance of thunderstorms in the evening, then chance of showers
overnight. waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus53 klot 312020
nshlot
expires:202607312145;;406992

nearshore marine forecast
national weather service chicago/romeoville il
320 pm cdt fri jul 31 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>742-312145-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
320 pm cdt fri jul 31 2026

...small craft advisory in effect from 3 am cdt saturday through
late sunday night...

.rest of today...southeast winds 15 to 20 kt. showers. waves 1 to
3 ft. 
.tonight...southeast winds 15 to 20 kt becoming east 20 to 25 kt
overnight. showers and a chance of thunderstorms. waves 2 to 4 ft
building to 4 to 7 ft occasionally to 9 ft. 
.saturday...east winds to 30 kt becoming northeast in the
afternoon. showers and a chance of thunderstorms. waves 5 to 8 ft
occasionally to 10 ft building to 6 to 9 ft occasionally to 12 
ft. 
.saturday night...northeast winds to 30 kt becoming north.
showers likely and slight chance of thunderstorms in the evening,
then chance of showers overnight. waves 6 to 9 ft occasionally to
12 ft. 

$$

fzus53 kmkx 312010
nshmkx
expires:202608010900;;406656

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz646-010900-
wind point wi to winthrop harbor il-
310 pm cdt fri jul 31 2026

...small craft advisory in effect from late tonight through late
sunday night...

.through early evening...southeast wind 10 to 15 knots. showers.
waves 1 to 3 feet. 
.tonight...south wind 10 to 15 knots becoming east 15 to 20 knots
late in the evening, then becoming 15 to 25 knots after midnight.
showers and slight chance of thunderstorms. waves 1 to 3 feet
building to 5 to 7 feet. 
.saturday...east wind 15 to 25 knots backing northeast late in
the afternoon. gusts up to 30 knots. showers in the morning.
slight chance of thunderstorms through the day. showers likely in
the afternoon. waves 6 to 8 feet. 
.saturday night...northeast wind 15 to 25 knots backing north
after midnight. gusts up to 30 knots. chance of showers and
slight chance of thunderstorms through around midnight. slight
chance of showers after midnight. waves 6 to 8 feet. 
.sunday...north wind 15 to 25 knots with gusts to around
30 knots. mostly cloudy. waves 5 to 7 feet. 

$$

fzus53 kmkx 312010
nshmkx
expires:202608010900;;406654

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz644-010900-
port washington to north point light wi-
310 pm cdt fri jul 31 2026

...small craft advisory in effect from late tonight through late
sunday night...

.through early evening...southeast wind 10 to 15 knots. showers.
waves 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming east 15 to
20 knots late in the evening, then backing northeast 15 to
25 knots after midnight rising to up to 30 knots early in the
morning. showers and slight chance of thunderstorms. waves 1 to
3 feet building to 5 to 7 feet. 
.saturday...northeast wind up to 30 knots easing to 15 to
25 knots early in the afternoon, then becoming northeast 15 to
25 knots late in the afternoon. showers in the morning, then
showers likely in the afternoon. waves 6 to 8 feet. 
.saturday night...northeast wind 15 to 25 knots backing north in
the late evening and overnight. gusts up to 30 knots. chance of
showers through around midnight. slight chance of showers after
midnight. waves 6 to 8 feet subsiding to 5 to 7 feet in the late
evening and overnight. 
.sunday...north wind 15 to 25 knots rising to up to 30 knots with
gusts to around 35 knots in the late morning and afternoon.
mostly cloudy in the morning then becoming mostly sunny. waves
5 to 7 feet building to 6 to 8 feet in the afternoon. 

$$

fzus53 kmkx 312010
nshmkx
expires:202608010900;;406653

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz643-010900-
sheboygan to port washington wi-
310 pm cdt fri jul 31 2026

...small craft advisory in effect from late tonight through late
sunday night...

.through early evening...southeast wind 10 to 15 knots. showers.
waves 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming northeast 15 to
20 knots late in the evening, then becoming 15 to 25 knots with
gusts to around 30 knots after midnight. showers. waves 1 to
2 feet building to 5 to 7 feet. 
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers in the morning, then showers likely in the afternoon.
waves 5 to 7 feet. 
.saturday night...northeast wind 15 to 25 knots backing north
early in the morning. slight chance of showers through around
midnight. waves 5 to 7 feet. 
.sunday...north wind 15 to 25 knots rising to up to 30 knots in
the afternoon. mostly cloudy in the morning then clearing. waves
5 to 7 feet. 

$$

fzus53 kmkx 312010
nshmkx
expires:202608010900;;406655

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri jul 31 2026

for waters within five nautical miles of shore on lake michigan


lmz645-010900-
north point light to wind point wi-
310 pm cdt fri jul 31 2026

...small craft advisory in effect from late tonight through late
sunday night...

.through early evening...southeast wind 10 to 15 knots. showers.
waves 1 to 3 feet. 
.tonight...southeast wind 10 to 15 knots becoming east 15 to
20 knots late in the evening, then becoming 15 to 25 knots with
gusts to around 30 knots after midnight. showers and slight
chance of thunderstorms. waves 1 to 3 feet building to 5 to
7 feet. 
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers in the morning. slight chance of thunderstorms through
the day. showers likely in the afternoon. waves 7 to 9 feet. 
.saturday night...northeast wind 15 to 25 knots backing north
early in the morning. gusts up to 30 knots. chance of showers
through around midnight. slight chance of showers after midnight.
waves 7 to 9 feet. 
.sunday...north wind 15 to 25 knots rising to up to 30 knots with
gusts to around 35 knots in the afternoon. partly sunny. waves
6 to 8 feet. 

$$