fzus53 kapx 310717
nshapx
expires:202608311530;;652468

nearshore marine forecast
national weather service gaylord mi
317 am edt mon aug 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.


lmz346-311530-
manistee to point betsie mi-
317 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.today...south wind 10 to 15 knots with gusts up to 25 knots. 
patchy fog early in the morning. chance of thunderstorms early in 
the morning. waves 2 feet or less building to 2 to 4 feet. 
.tonight...southwest wind 5 to 10 knots. patchy fog. slight
chance of showers. waves 2 to 4 feet. 
.tuesday...southwest wind 5 to 10 knots. patchy fog. waves
2 feet or less. 
.tuesday night...southwest wind 5 to 10 knots. chance of showers.
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 311156
nshgrb
expires:202608311600;;662234

nearshore marine forecast
national weather service green bay wi
656 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-311600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
656 am cdt mon aug 31 2026

.today...s wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers and a slight chance of thunderstorms in the morning. 
.tonight...s wind 5 to 10 kts veering nw after midnight. waves
2 to 4 ft subsiding to 1 to 3 ft after midnight. a chance of
showers and thunderstorms in the evening. patchy fog after
midnight. 
.tuesday...sw wind around 5 kts backing s 10 to 15 kts in the
late morning and afternoon. waves 2 ft or less. patchy fog in the
morning. 
.tuesday night...sw wind 5 to 10 kts veering w in the late
evening and overnight. waves 2 ft or less. a chance of showers
after midnight.  

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660553

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz847-312000-
grand haven to whitehall mi-
706 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.today...south winds 10 to 20 knots. numerous rain showers and
scattered thunderstorms in the morning, then isolated rain showers
in the afternoon. waves 2 to 4 feet building to 3 to 5 feet in the
late morning and afternoon. 
.tonight...southwest winds 10 to 20 knots. partly cloudy. waves 3 to
5 feet subsiding to 2 to 4 feet after midnight. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy with
a slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.wednesday...southwest winds around 10 knots. partly sunny. waves
1 to 2 feet. 
.thursday...northeast winds around 10 knots backing north in the
late morning and afternoon. partly sunny with a chance of rain
showers. waves 1 foot or less. 
.friday...east winds around 10 knots backing northwest early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660556

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz844-312000-
st joseph to south haven mi-
706 am edt mon aug 31 2026

.today...south winds 10 to 20 knots. partly sunny. scattered rain
showers and isolated thunderstorms in the morning, then scattered
rain showers in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves around 1 foot. 
.tuesday night...southwest winds around 10 knots. partly cloudy with
a slight chance of showers and thunderstorms. waves 1 foot or less. 
.wednesday...southwest winds around 10 knots. mostly sunny. waves
1 foot or less. 
.thursday...southeast winds 5 to 10 knots veering northwest in the
late morning and afternoon. partly sunny with a chance of showers
and thunderstorms. waves around 1 foot. 
.friday...northeast winds 5 to 10 knots backing north early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660555

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz845-312000-
south haven to holland mi-
706 am edt mon aug 31 2026

.today...south winds 10 to 20 knots. numerous rain showers and
isolated thunderstorms in the morning, then scattered rain showers
in the afternoon. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy with
a slight chance of showers and thunderstorms. waves around 1 foot. 
.wednesday...southwest winds around 10 knots. mostly sunny. waves
around 1 foot. 
.thursday...southeast winds around 10 knots veering northwest in the
late morning and afternoon. partly sunny with a chance of showers
and thunderstorms. waves around 1 foot. 
.friday...east winds 5 to 10 knots backing north early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660554

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz846-312000-
holland to grand haven mi-
706 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.today...south winds 10 to 20 knots. numerous rain showers and
scattered thunderstorms in the morning, then scattered rain showers
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet in the
late morning and afternoon. 
.tonight...southwest winds 10 to 20 knots. partly cloudy. waves 3 to
5 feet subsiding to 2 to 4 feet in the late evening and overnight. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy with
a slight chance of showers and thunderstorms. waves around 1 foot. 
.wednesday...southwest winds around 10 knots. mostly sunny. waves
around 1 foot. 
.thursday...east winds around 10 knots backing northwest in the late
morning and afternoon. partly sunny with a chance of rain showers.
waves around 1 foot. 
.friday...east winds around 10 knots backing northwest early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660552

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz848-312000-
whitehall to pentwater mi-
706 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

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

$$

fzus53 kgrr 311106
nshgrr
expires:202608312000;;660551

nearshore marine forecast
national weather service grand rapids mi
705 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz849-312000-
pentwater to manistee mi-
706 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.today...south winds 10 to 20 knots. patchy fog in the morning.
numerous rain showers and scattered thunderstorms in the morning,
then mostly sunny in the afternoon. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.tonight...southwest winds 10 to 20 knots. partly cloudy. patchy
fog. waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. 
.tuesday...southwest winds 5 to 15 knots. partly sunny with isolated
showers and thunderstorms. patchy fog. waves 1 to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots veering west after
midnight. mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.wednesday...north winds 5 to 10 knots veering northeast in the late
morning and early afternoon, then backing north early in the
afternoon. partly sunny with a chance of rain showers and a slight
chance of thunderstorms. waves around 1 foot. 
.thursday...northeast winds 5 to 10 knots backing north early in the
afternoon. partly sunny. waves less than 1 foot. 
.friday...east winds 5 to 10 knots backing north 10 to 15 knots
early in the afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kiwx 310750
nshiwx
expires:202608311415;;653253

nearshore marine forecast
national weather service northern indiana
350 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz046-311415-
michigan city in to new buffalo mi-
350 am edt mon aug 31 2026

.today...south winds around 10 knots becoming southwest 10 to 20
knots. a chance of showers with a slight chance of thunderstorms 
this morning, then a slight chance of showers and thunderstorms 
this afternoon. waves 1 foot or less. 
.tonight...southwest winds around 10 knots. a slight chance of
showers in the evening. waves 1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms. waves 1 foot or less. 
.tuesday night...southwest winds 5 to 10 knots. a slight chance
of showers and thunderstorms in the evening. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 kiwx 310750
nshiwx
expires:202608311415;;653254

nearshore marine forecast
national weather service northern indiana
350 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz043-311415-
new buffalo mi to st joseph mi-
350 am edt mon aug 31 2026

.today...south winds 10 to 15 knots becoming southwest 10 to 20
knots. a chance of showers with a slight chance of thunderstorms 
this morning, then a slight chance of showers and thunderstorms 
this afternoon. waves 1 to 2 feet.
.tonight...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms in the evening. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots. a slight chance
of showers and thunderstorms in the evening. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 klot 310805
nshlot
expires:202608311530;;653929

nearshore marine forecast
national weather service chicago/romeoville il
305 am cdt mon aug 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>745-311530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
305 am cdt mon aug 31 2026

.today...south winds 10 to 20 kt becoming southwest. chance of
showers and thunderstorms in the morning. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt. slight chance of showers
and thunderstorms in the evening. waves 1 to 2 ft. 
.tuesday...southwest winds around 10 kt. slight chance of showers
and thunderstorms in the morning. waves 1 to 2 ft. 
.tuesday night...southwest winds around 10 kt. decreasing
cloudiness. waves around 1 ft. 

$$

fzus53 klot 310805
nshlot
expires:202608311530;;653928

nearshore marine forecast
national weather service chicago/romeoville il
305 am cdt mon aug 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>742-311530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
305 am cdt mon aug 31 2026

.today...southwest winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt. slight chance of showers
and thunderstorms in the evening. waves 1 to 2 ft. 
.tuesday...southwest winds around 10 kt. slight chance of showers
and thunderstorms in the morning. waves around 1 ft. 
.tuesday night...southwest winds around 10 kt. slight chance of
showers and thunderstorms in the evening. waves around 1 ft. 

$$

fzus53 kmkx 311210
nshmkx
expires:202608311600;;663267

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz646-311600-
wind point wi to winthrop harbor il-
710 am cdt mon aug 31 2026

.today...south wind 5 to 15 knots becoming 10 to 15 knots with
gusts to around 20 knots in the late morning and early afternoon,
then veering southwest with gusts to around 20 knots late in the
afternoon. showers and a chance of thunderstorms in the morning.
slight chance of showers and thunderstorms in the late morning
and early afternoon, then chance of showers late in the
afternoon. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight. slight chance of showers through around midnight. waves
around 1 foot. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
afternoon. slight chance of showers and thunderstorms. waves
around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. slight chance of
showers and thunderstorms through the night. waves around 1 foot.

$$

fzus53 kmkx 311210
nshmkx
expires:202608311600;;663266

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz645-311600-
north point light to wind point wi-
710 am cdt mon aug 31 2026

.today...south wind 5 to 15 knots becoming 10 to 15 knots with
gusts to around 20 knots late in the morning, then veering
southwest with gusts to around 20 knots early in the afternoon
becoming southwest 10 to 15 knots with gusts to around 20 knots
late in the afternoon. showers and a chance of thunderstorms in
the morning. chance of showers in the afternoon. waves 1 to
2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight. mostly cloudy through around midnight then becoming
partly cloudy. waves around 1 foot. 
.tuesday...west wind 5 to 10 knots backing southwest early in the
afternoon, then rising to 10 to 15 knots late in the afternoon.
slight chance of showers in the morning. waves around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. slight chance of
showers after midnight. waves around 1 foot. 

$$

fzus53 kmkx 311210
nshmkx
expires:202608311600;;663264

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz643-311600-
sheboygan to port washington wi-
710 am cdt mon aug 31 2026

.today...south wind 10 to 15 knots becoming 10 to 20 knots late
in the morning, then becoming 10 to 15 knots early in the
afternoon veering southwest late in the afternoon. showers and a
chance of thunderstorms in the morning. slight chance of showers
late in the morning. waves 1 to 3 feet building to 2 to 4 feet in
the late morning and afternoon. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight veering west early in the morning. mostly cloudy through
around midnight then becoming partly cloudy. waves 2 to 4 feet
subsiding to 1 to 2 feet in the late evening and overnight. 
.tuesday...northwest wind 5 to 10 knots backing southwest late in
the morning, then backing south early in the afternoon becoming
southwest 10 to 15 knots late in the afternoon. slight chance of
showers in the morning. waves around 1 foot. 
.tuesday night...southwest wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then veering west after midnight
veering northwest early in the morning. slight chance of showers
through around midnight. slight chance of thunderstorms through
the night. chance of showers after midnight. waves around 1 foot.

$$

fzus53 kmkx 311210
nshmkx
expires:202608311600;;663265

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz644-311600-
port washington to north point light wi-
710 am cdt mon aug 31 2026

.today...south wind 5 to 15 knots becoming 10 to 15 knots with
gusts to around 20 knots late in the morning, then veering
southwest with gusts to around 20 knots early in the afternoon
becoming southwest 10 to 15 knots with gusts to around 20 knots
late in the afternoon. showers and a chance of thunderstorms in
the morning. slight chance of showers in the late morning and
afternoon. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight veering west early in the morning. mostly cloudy through
around midnight then becoming partly cloudy. waves around 1 foot.
.tuesday...west wind 5 to 10 knots backing south early in the
afternoon, then veering southwest late in the afternoon. slight
chance of showers in the morning. waves around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots veering west early
in the morning. chance of showers and slight chance of
thunderstorms after midnight. waves around 1 foot. 

$$