fzus53 kapx 092006
nshapx
expires:202608100415;;898943

nearshore marine forecast
national weather service gaylord mi
406 pm edt sun aug 9 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.


lmz346-100415-
manistee to point betsie mi-
406 pm edt sun aug 9 2026

.tonight...southwest wind 5 to 10 knots. chance of showers and
slight chance of thunderstorms early in the evening. waves 2 feet
or less. 
.monday...light winds. mostly sunny. waves 2 feet or less. 
.monday night...light winds. partly cloudy. waves 2 feet or less.
.tuesday...light winds. mostly sunny. 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 091951
nshgrb
expires:202608092200;;898189

nearshore marine forecast
national weather service green bay wi
251 pm cdt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-092200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
251 pm cdt sun aug 9 2026

.this afternoon...s wind 10 to 15 kts. waves 1 to 3 ft. a chance
of showers and a slight chance of thunderstorms. 
.tonight...sw wind 5 to 10 kts veering nw after midnight. waves
1 to 3 ft. a slight chance of showers and thunderstorms in the
evening. patchy fog after midnight. 
.monday...n wind 5 to 10 kts veering e mid-day, then veering se
early in the afternoon. waves 2 ft or less. patchy fog in the
morning. 
.monday night...s wind 5 to 10 kts. waves 2 ft or less. mostly
cloudy.  

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899930

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz849-100800-
pentwater to manistee mi-
416 pm edt sun aug 9 2026

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

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899931

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz848-100800-
whitehall to pentwater mi-
416 pm edt sun aug 9 2026

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

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899932

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz847-100800-
grand haven to whitehall mi-
416 pm edt sun aug 9 2026

...severe thunderstorm watch 547 in effect until 7 pm edt this
evening...

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

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899933

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz846-100800-
holland to grand haven mi-
416 pm edt sun aug 9 2026

...severe thunderstorm watch 547 in effect until 7 pm edt this
evening...

.through early evening...south winds 15 to 20 knots. rain showers
likely and a chance of thunderstorms. some thunderstorms may produce
heavy rainfall. waves 1 to 2 feet. 
.tonight...south winds 10 to 20 knots. mostly cloudy with a chance
of showers and thunderstorms. some thunderstorms may produce heavy
rainfall. waves 1 to 2 feet. 
.monday...northwest winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.monday night...northwest winds 5 to 10 knots veering east after
midnight. partly cloudy with a chance of rain showers. waves 1 foot
or less. 
.tuesday...east winds 5 to 10 knots veering south in the late
morning and afternoon. mostly cloudy with a chance of rain showers.
waves less than 1 foot. 
.tuesday night...southwest winds 5 to 10 knots backing east in the
late evening and overnight. partly cloudy with a chance of rain
showers. waves less than 1 foot. 
.wednesday...north winds 5 to 10 knots backing northwest 10 to
15 knots in the late morning and afternoon. partly sunny. waves
1 foot or less. 
.thursday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. partly sunny. waves 1 to 2 feet. 
.friday...northeast winds around 10 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899934

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz845-100800-
south haven to holland mi-
416 pm edt sun aug 9 2026

...severe thunderstorm watch 547 in effect until 7 pm edt this
evening...

.through early evening...southwest winds 10 to 15 knots. rain
showers and a chance of thunderstorms. some thunderstorms may
produce heavy rainfall. waves around 1 foot. 
.tonight...south winds 10 to 15 knots. mostly cloudy with a chance
of showers and thunderstorms. some thunderstorms may produce heavy
rainfall. waves around 1 foot. 
.monday...west winds 10 to 15 knots veering northwest in the late
morning and afternoon. partly sunny. waves 1 to 2 feet. 
.monday night...north winds 5 to 10 knots veering east after
midnight. partly cloudy with a chance of rain showers. waves 1 foot
or less. 
.tuesday...southeast winds 5 to 10 knots veering south early in the
afternoon. mostly cloudy with rain showers likely and a slight
chance of thunderstorms. waves less than 1 foot. 
.tuesday night...northwest winds 5 to 10 knots veering east in the
late evening and overnight. partly cloudy with rain showers likely.
waves less than 1 foot. 
.wednesday...northwest winds 5 to 10 knots. partly sunny. waves
1 foot or less. 
.thursday...north winds around 10 knots backing northwest early in
the afternoon. mostly sunny. waves around 1 foot. 
.friday...northeast winds around 10 knots backing north early in the
afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 092016
nshgrr
expires:202608100800;;899935

nearshore marine forecast
national weather service grand rapids mi
416 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz844-100800-
st joseph to south haven mi-
416 pm edt sun aug 9 2026

...severe thunderstorm watch 547 in effect until 7 pm edt this
evening...

.through early evening...southwest winds 10 to 15 knots. rain
showers likely and a chance of thunderstorms. some thunderstorms may
produce heavy rainfall. waves 1 foot or less. 
.tonight...south winds 10 to 20 knots. rain showers likely and a
chance of thunderstorms. patchy fog after midnight. some
thunderstorms may produce heavy rainfall. waves 1 to 2 feet. 
.monday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms. some thunderstorms may produce heavy
rainfall. waves around 1 foot. 
.monday night...north winds 5 to 10 knots veering southeast after
midnight. partly cloudy with a chance of rain showers and a slight
chance of thunderstorms. waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots. rain showers likely and a
slight chance of thunderstorms. waves less than 1 foot. 
.tuesday night...south winds 5 to 10 knots backing southeast in the
late evening and overnight. partly cloudy with a chance of showers
and thunderstorms. waves less than 1 foot. 
.wednesday...northwest winds 5 to 10 knots. partly sunny. waves less
than 1 foot. 
.thursday...northeast winds 5 to 10 knots backing north 10 to
15 knots early in the afternoon. partly sunny. waves around 1 foot. 
.friday...northeast winds around 10 knots backing north early in the
afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kiwx 091855
nshiwx
expires:202608100330;;896196

nearshore marine forecast
national weather service northern indiana
255 pm edt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-100330-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
255 pm edt sun aug 9 2026

...severe thunderstorm watch 547 in effect until 7 pm edt this
evening...

.tonight...south winds 5 to 15 knots becoming southwest. showers
and thunderstorms likely through the early overnight, then a
chance of showers and thunderstorms late. waves 2 feet or less.
.monday...southwest winds 10 knots or less becoming north. a
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. waves
1 foot or less. 
.monday night...north winds less than 10 knots becoming
southeast. a chance of showers and thunderstorms. waves 1 foot or
less. 
.tuesday...south winds 10 knots or less becoming southeast. a
chance of showers and thunderstorms in the morning, then showers
likely with a chance of thunderstorms in the afternoon. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 70 degrees and at michigan
city is 67 degrees.

$$

fzus53 klot 092003
nshlot
expires:202608100330;;898594

nearshore marine forecast
national weather service chicago/romeoville il
303 pm cdt sun aug 9 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.


lmz740-100330-
winthrop harbor to wilmette harbor il-
303 pm cdt sun aug 9 2026

.late this afternoon...southeast winds 10 to 15 kt. chance of 
showers and thunderstorms. waves 1 to 3 ft. 
.tonight...southeast winds 10 to 15 kt becoming southwest late.
showers and thunderstorms likely. waves 1 to 3 ft. 
.monday...north winds around 5 kt becoming east late. slight
chance of showers and thunderstorms in the afternoon. waves 1 to
2 ft. 
.monday night...east winds around 10 kt. chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely overnight. waves around 1 ft. 
.tuesday...east winds around 10 kt becoming southeast. showers
and thunderstorms likely in the morning, then showers likely and
a chance of thunderstorms in the afternoon. waves 1 to 2 ft.  

$$

fzus53 klot 092003
nshlot
expires:202608100330;;898593

nearshore marine forecast
national weather service chicago/romeoville il
303 pm cdt sun aug 9 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.


lmz741-742-100330-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
303 pm cdt sun aug 9 2026

...severe thunderstorm watch 546 in effect until 4 pm cdt this
afternoon...

.late this afternoon...southeast winds 10 to 15 kt. showers and 
thunderstorms tapering off. some thunderstorms may produce 
damaging winds and large hail. waves 1 to 3 ft. 
.tonight...south winds 10 to 15 kt becoming southwest late.
showers and thunderstorms likely. waves 1 to 3 ft. 
.monday...west winds around 10 kt becoming east late. chance of
showers and thunderstorms in the afternoon. waves 1 to 2 ft.
.monday night...east winds around 10 kt. showers and
thunderstorms likely in the evening, then chance of showers and
thunderstorms overnight. waves around 1 ft. 
.tuesday...southeast winds around 10 kt. showers and
thunderstorms likely in the morning, then showers likely and a
chance of thunderstorms in the afternoon. waves around 1 ft.  

$$

fzus53 klot 092003
nshlot
expires:202608100330;;898595

nearshore marine forecast
national weather service chicago/romeoville il
303 pm cdt sun aug 9 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>745-100330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
303 pm cdt sun aug 9 2026

.late this afternoon...south winds 10 to 15 kt. showers and 
thunderstorms likely. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt. chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight. waves 1 to 3 ft. 
.monday...southwest winds around 10 kt becoming northeast late.
chance of showers and thunderstorms in the afternoon. waves 1 to
2 ft. 
.monday night...northeast winds around 10 kt becoming southeast
overnight. showers and thunderstorms likely. waves around 1 ft. 
.tuesday...south winds around 10 kt becoming southeast. showers
and thunderstorms likely in the morning, then showers likely and
a chance of thunderstorms in the afternoon. waves around 1 ft.  

$$

fzus53 klot 091427
nshlot
expires:202608092115;;884724

nearshore marine forecast
national weather service chicago/romeoville il
927 am cdt sun aug 9 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>742-092115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
927 am cdt sun aug 9 2026

.rest of today...southeast winds around 15 kt becoming south and
increasing to 15 to 20 kt. showers and thunderstorms likely with 
variable winds in the afternoon. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt becoming southwest overnight. 
showers and thunderstorms likely in the evening, then a chance of
showers and thunderstorms overnight. waves 1 to 3 ft. 
.monday...southwest winds around 10 kt becoming east by afternoon. 
slight chance of showers and thunderstorms in the morning, then 
chance of showers and thunderstorms in the afternoon. waves 1 to 2
ft. 
.monday night...east winds around 10 kt becoming southeast. 
showers likely and a chance of thunderstorms. waves around 1 ft. 

$$

fzus53 kmkx 092010
nshmkx
expires:202608100900;;899747

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz646-100900-
wind point wi to winthrop harbor il-
310 pm cdt sun aug 9 2026

.through early evening...south wind 5 to 10 knots. mostly cloudy
with a 40 percent chance of showers and thunderstorms. waves 1 to
2 feet. 
.tonight...south wind 5 to 10 knots backing southeast late in the
evening, then veering south after midnight veering west early in
the morning. chance of showers and thunderstorms until early
morning, then slight chance of showers and thunderstorms early in
the morning. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. slight chance of showers
and thunderstorms in the afternoon. waves around 1 foot. 
.monday night...east wind 5 to 10 knots. slight chance of showers
and thunderstorms through around midnight. patchy fog after
midnight. waves around 1 foot. 
.tuesday...east wind 5 to 10 knots veering southeast late in the
afternoon. chance of showers and thunderstorms through the day.
waves around 1 foot. 

$$

fzus53 kmkx 092010
nshmkx
expires:202608100900;;899746

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz645-100900-
north point light to wind point wi-
310 pm cdt sun aug 9 2026

.through early evening...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. mostly cloudy with a 30 percent
chance of showers and thunderstorms. waves 1 to 2 feet. 
.tonight...south wind 5 to 10 knots backing southeast late in the
evening, then veering south after midnight veering west early in
the morning. slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms in the late
evening and early morning. slight chance of showers and
thunderstorms early in the morning. patchy fog after midnight.
waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. waves around 1 foot. 
.monday night...east wind 5 to 10 knots. patchy fog after
midnight. waves around 1 foot. 
.tuesday...east wind 5 to 10 knots veering southeast late in the
morning, then backing east early in the afternoon veering
southeast late in the afternoon. chance of showers and slight
chance of thunderstorms. waves around 1 foot. 

$$

fzus53 kmkx 092010
nshmkx
expires:202608100900;;899745

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz644-100900-
port washington to north point light wi-
310 pm cdt sun aug 9 2026

.through early evening...southeast wind 5 to 10 knots veering
south late in the afternoon. mostly cloudy with a 30 percent
chance of showers and thunderstorms. waves 1 to 2 feet. 
.tonight...south wind 5 to 10 knots veering west early in the
morning. slight chance of showers through around midnight. chance
of thunderstorms through the night. chance of showers after
midnight. patchy fog after midnight. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. waves around 1 foot. 
.monday night...southeast wind 5 to 10 knots backing east after
midnight. patchy fog. waves around 1 foot. 
.tuesday...east wind 5 to 10 knots veering southeast in the late
morning and afternoon. chance of showers and slight chance of
thunderstorms. waves around 1 foot. 

$$

fzus53 kmkx 092010
nshmkx
expires:202608100900;;899744

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 9 2026

for waters within five nautical miles of shore on lake michigan


lmz643-100900-
sheboygan to port washington wi-
310 pm cdt sun aug 9 2026

.through early evening...southeast wind 10 to 15 knots veering
south late in the afternoon. mostly cloudy with chance of showers
and slight chance of thunderstorms. waves 1 to 3 feet. 
.tonight...south wind 5 to 15 knots becoming 5 to 10 knots late
in the evening, then becoming south 5 to 10 knots after midnight
veering west early in the morning. slight chance of showers
through around midnight. slight chance of thunderstorms through
the night. chance of showers after midnight. patchy fog in the
late evening and overnight. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. waves around 1 foot. 
.monday night...southeast wind 5 to 10 knots backing east early
in the morning. patchy fog. waves around 1 foot. 
.tuesday...east wind 5 to 10 knots veering southeast in the late
morning and afternoon. chance of showers and slight chance of
thunderstorms through the day. waves around 1 foot. 

$$