fzus53 kapx 120730
nshapx
expires:202608121530;;044740

nearshore marine forecast
national weather service gaylord mi
330 am edt wed aug 12 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.


lmz346-121530-
manistee to point betsie mi-
330 am edt wed aug 12 2026

.today...light winds becoming north 5 to 10 knots in the
afternoon. slight chance of showers early in the morning. waves
2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...northeast wind 5 to 10 knots. partly sunny. waves
2 feet or less. 
.thursday night...northeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 121148
nshgrb
expires:202608121600;;054906

nearshore marine forecast
national weather service green bay wi
648 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-121600-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
648 am cdt wed aug 12 2026

...dense fog advisory in effect until noon cdt today...

.today...e wind 5 to 10 kts. waves 2 ft or less. patchy fog in
the morning. 
.tonight...e wind 5 to 10 kts veering sw, then veering ne after
midnight. waves 2 ft or less. partly cloudy in the evening then
becoming mostly cloudy. 
.thursday...e wind 5 to 10 kts. waves 2 ft or less. mostly
cloudy. 
.thursday night...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly
cloudy in the evening then becoming mostly clear.  

$$

fzus53 kgrb 121103
nshgrb
expires:202608121600;;052848

nearshore marine forecast
national weather service green bay wi
603 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-121600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
603 am cdt wed aug 12 2026

.early this morning...se wind 5 to 10 kts. waves 2 ft or less.
patchy fog. a chance of showers and a slight chance of
thunderstorms. 
.today...e wind 5 to 10 kts. waves 2 ft or less. patchy fog in
the morning. 
.tonight...se wind around 5 kts backing ne in the late evening
and overnight. waves 2 ft or less. partly cloudy in the evening
then becoming mostly cloudy. 
.thursday...e wind 5 to 10 kts. waves 2 ft or less. mostly
cloudy. 
.thursday night...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly
cloudy in the evening then becoming mostly clear.  

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047857

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-122000-
holland to grand haven mi-
438 am edt wed aug 12 2026

.today...southeast winds around 5 knots veering west early in the
afternoon. mostly cloudy. areas of fog in the morning. a slight
chance of rain showers in the afternoon. waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering northeast after
midnight. partly cloudy. waves less than 1 foot. 
.thursday...southeast winds 5 to 10 knots backing northwest early in
the afternoon. partly sunny. waves less than 1 foot. 
.thursday night...northwest winds around 10 knots veering northeast
in the late evening and overnight. partly cloudy. waves 1 foot or
less. 
.friday...northeast winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 
.saturday...southeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...southwest winds 15 to 20 knots veering northwest in the
late morning and afternoon. mostly cloudy with rain showers likely
and a chance of thunderstorms. waves 2 to 4 feet. 

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047856

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-122000-
grand haven to whitehall mi-
438 am edt wed aug 12 2026

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

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047855

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-122000-
whitehall to pentwater mi-
438 am edt wed aug 12 2026

.today...southeast winds around 5 knots veering south in the late
morning and early afternoon, then veering northwest 10 to 15 knots
early in the afternoon. areas of fog in the morning. partly sunny
with a slight chance of showers and thunderstorms. waves 1 foot or
less. 
.tonight...north winds around 10 knots veering northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...southeast winds 5 to 10 knots veering west early in the
afternoon. partly sunny. waves 1 foot or less. 
.thursday night...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.friday...northeast winds 10 to 15 knots backing north 15 to
25 knots early in the afternoon. mostly sunny. waves around 1 foot
building to 2 to 4 feet early in the afternoon. 
.saturday...southeast winds 15 to 20 knots veering south early in
the afternoon. mostly cloudy with a chance of rain showers. waves
1 to 2 feet. 
.sunday...west winds 15 to 20 knots veering northwest in the late
morning and afternoon. mostly cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet. 

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047859

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-122000-
st joseph to south haven mi-
438 am edt wed aug 12 2026

.today...southeast winds around 5 knots veering west early in the
afternoon. patchy fog in the morning. mostly cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves less than
1 foot. 
.tonight...north winds 5 to 10 knots veering east after midnight.
partly cloudy. patchy fog. waves calm. 
.thursday...southeast winds around 5 knots backing northeast early
in the afternoon. partly sunny with a chance of rain showers and a
slight chance of thunderstorms. waves less than 1 foot. 
.thursday night...northeast winds 5 to 10 knots. partly cloudy with
a chance of rain showers and a slight chance of thunderstorms. waves
less than 1 foot. 
.friday...northeast winds around 10 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 
.saturday...southeast winds around 15 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...southwest winds around 15 knots veering northwest in the
late morning and afternoon. mostly cloudy with rain showers likely
and a chance of thunderstorms. waves 1 to 3 feet. 

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047858

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-122000-
south haven to holland mi-
438 am edt wed aug 12 2026

.today...southeast winds around 5 knots veering west early in the
afternoon. patchy fog in the morning. mostly cloudy with a slight
chance of showers and thunderstorms. waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering northeast after
midnight. partly cloudy. waves less than 1 foot. 
.thursday...southeast winds 5 to 10 knots backing north early in the
afternoon. partly sunny. waves less than 1 foot. 
.thursday night...northwest winds 5 to 10 knots veering northeast in
the late evening and overnight. mostly cloudy with a slight chance
of rain showers. waves less than 1 foot. 
.friday...northeast winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 
.saturday...southeast winds 10 to 15 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...southwest winds 15 to 20 knots veering northwest in the
late morning and afternoon. mostly cloudy with rain showers likely
and a chance of thunderstorms. waves 2 to 4 feet. 

$$

fzus53 kgrr 120838
nshgrr
expires:202608122000;;047854

nearshore marine forecast
national weather service grand rapids mi
438 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-122000-
pentwater to manistee mi-
438 am edt wed aug 12 2026

.today...southeast winds around 5 knots veering south in the late
morning and early afternoon, then veering northwest 10 to 15 knots
early in the afternoon. mostly sunny. areas of fog in the morning.
waves 1 foot or less. 
.tonight...north winds 5 to 10 knots veering east in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. partly sunny. waves 1 foot or less.
.thursday night...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.friday...northeast winds 10 to 15 knots backing north 15 to
25 knots early in the afternoon. sunny. waves 2 to 4 feet. 
.saturday...southeast winds 10 to 20 knots veering south early in
the afternoon. mostly cloudy with a chance of rain showers. waves
1 to 2 feet. 
.sunday...west winds 10 to 20 knots veering northwest in the late
morning and afternoon. mostly cloudy with rain showers likely and a
chance of thunderstorms. waves 2 to 4 feet. 

$$

fzus53 kiwx 120802
nshiwx
expires:202608121415;;045701

nearshore marine forecast
national weather service northern indiana
402 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-121415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
402 am edt wed aug 12 2026

.today...south winds less than 10 knots becoming northwest.
a chance of showers with a slight chance of thunderstorms. waves 
1 foot or less. 
.tonight...north winds less than 10 knots. partly cloudy. waves
1 foot or less. 
.thursday...south winds less than 10 knots. a slight chance of
showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.thursday night...northeast winds 10 knots or less. showers
likely with a chance of thunderstorms in the evening, then a
chance of showers overnight. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 67 degrees.

$$

fzus53 klot 120835
nshlot
expires:202608121530;;047642

nearshore marine forecast
national weather service chicago/romeoville il
335 am cdt wed aug 12 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>742-121530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
335 am cdt wed aug 12 2026

.today...south winds around 10 kt becoming northeast this
afternoon. patchy fog in the morning. slight chance of showers 
and thunderstorms early in the morning, then chance of showers 
and thunderstorms likely late morning and early this afternoon. 
waves around 1 ft. winds and waves higher in and near 
thunderstorms.
.tonight...northeast winds around 10 kt becoming east at 5 to 10
kt. partly cloudy in the evening, then becoming mostly cloudy. 
waves 1 ft or less. 
.thursday...east winds around 10 kt. chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. waves around 1 ft. 
.thursday night...east winds 10 to 15 kt becoming northeast
overnight. chance of showers and slight chance of thunderstorms
in the evening, then chance of showers overnight. waves 1 to
3 ft.  

$$

fzus53 klot 120835
nshlot
expires:202608121530;;047643

nearshore marine forecast
national weather service chicago/romeoville il
335 am cdt wed aug 12 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>745-121530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
335 am cdt wed aug 12 2026

.today...south winds around 10 kt becoming north late. patchy fog
in the morning. a slight chance of showers and thunderstorms early in
the morning, then showers and thunderstorms likely late this
morning and afternoon. waves around 1 ft. winds and waves higher
in and near thunderstorms.
.tonight...northeast winds around 10 kt becoming east at 5 to 
10 kt. partly cloudy in the evening, then becoming mostly cloudy.
waves around 1 ft. 
.thursday...east winds around 10 kt becoming northeast in the
afternoon. chance of showers in the morning, then chance of
showers and thunderstorms in the afternoon. waves around 1 ft.
.thursday night...east winds around 10 kt becoming northeast at 10
to 15 kt. showers likely and a chance of thunderstorms in the 
evening, then chance of showers overnight. waves 1 to 2 ft. 

$$

fzus53 kmkx 121210
nshmkx
expires:202608121600;;055893

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-121600-
north point light to wind point wi-
710 am cdt wed aug 12 2026

...dense fog advisory in effect until noon cdt today...

.today...northeast wind 10 knots becoming 5 to 10 knots late in
the morning, then becoming northeast 5 to 10 knots in the
afternoon. patchy fog in the morning. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots. partly cloudy through
around midnight then becoming mostly cloudy. waves nearly calm. 
.thursday...east wind 5 to 10 knots veering southeast in the
afternoon. chance of showers through the day. waves around
1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast late
in the evening, then rising to 10 to 15 knots after midnight.
mostly cloudy through around midnight then becoming partly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 121210
nshmkx
expires:202608121600;;055891

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-121600-
sheboygan to port washington wi-
710 am cdt wed aug 12 2026

...dense fog advisory in effect until noon cdt today...

.today...northeast wind 5 knots rising to 5 to 10 knots early in
the afternoon, then becoming northeast 5 to 10 knots late in the
afternoon. patchy dense fog in the morning. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots easing to 5 knots late in
the evening, then becoming northeast 5 knots after midnight.
partly cloudy through around midnight then becoming mostly
cloudy. waves nearly calm. 
.thursday...east wind 5 to 10 knots veering southeast late in the
morning, then becoming southeast 5 to 10 knots in the afternoon.
slight chance of showers through the day. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots becoming northeast
10 to 15 knots in the late evening and overnight. mostly cloudy
through around midnight then becoming partly cloudy. waves 1 to
2 feet building to 2 to 4 feet early in the morning. 

$$

fzus53 kmkx 121210
nshmkx
expires:202608121600;;055894

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-121600-
wind point wi to winthrop harbor il-
710 am cdt wed aug 12 2026

.today...east wind 5 knots becoming northeast late in the
morning, then veering east early in the afternoon backing north
late in the afternoon. slight chance of showers and thunderstorms
early in the afternoon. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots. partly cloudy through
around midnight then becoming mostly cloudy. waves nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east late in the
morning, then veering southeast early in the afternoon backing
east late in the afternoon. chance of showers through the day.
waves around 1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast late
in the evening, then rising to 10 to 15 knots after midnight
becoming northeast 10 to 15 knots early in the morning. chance of
showers through around midnight. waves 1 to 2 feet. 

$$

fzus53 kmkx 121210
nshmkx
expires:202608121600;;055892

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-121600-
port washington to north point light wi-
710 am cdt wed aug 12 2026

...dense fog advisory in effect until noon cdt today...

.today...north wind 10 knots veering northeast late in the
morning, then rising to 5 to 10 knots early in the afternoon
becoming northeast 5 to 10 knots late in the afternoon. patchy
fog in the morning. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots easing to 5 knots in the
late evening and early morning, then becoming northeast 5 knots
early in the morning. partly cloudy through around midnight then
becoming mostly cloudy. waves nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east late in the
morning, then veering southeast early in the afternoon becoming
southeast 5 to 10 knots late in the afternoon. chance of showers
through the day. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast late
in the evening, then rising to 10 to 15 knots after midnight.
mostly cloudy through around midnight then becoming partly
cloudy. waves 1 to 2 feet. 

$$