fzus53 kapx 121413
nshapx
expires:202608122215;;059749

nearshore marine forecast
national weather service gaylord mi
1013 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.


lmz346-122215-
manistee to point betsie mi-
1013 am edt wed aug 12 2026

.today...north wind 5 to 10 knots. mostly sunny. 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 121514
nshgrb
expires:202608122200;;061807

nearshore marine forecast
national weather service green bay wi
1013 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-122200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1013 am cdt wed aug 12 2026

.this afternoon...e wind 5 to 10 kts. waves 2 ft or less. partly
cloudy. 
.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 121531
nshgrr
expires:202608122100;;062170

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-122100-
holland to grand haven mi-
1131 am edt wed aug 12 2026

.rest of today...southwest winds around 10 knots veering west early
in the afternoon. partly sunny with a slight chance of rain showers.
waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.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 121531
nshgrr
expires:202608122100;;062172

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-122100-
st joseph to south haven mi-
1131 am edt wed aug 12 2026

.rest of today...west winds 5 to 10 knots. 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 less than 1 foot. 
.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 121531
nshgrr
expires:202608122100;;062171

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-122100-
south haven to holland mi-
1131 am edt wed aug 12 2026

.rest of today...southwest winds 5 to 10 knots veering west early in
the afternoon. 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 121531
nshgrr
expires:202608122100;;062169

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-122100-
grand haven to whitehall mi-
1131 am edt wed aug 12 2026

.rest of today...southwest winds 5 to 10 knots veering west early in
the afternoon. partly sunny with a slight chance of rain showers.
waves less than 1 foot. 
.tonight...northwest 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 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 121531
nshgrr
expires:202608122100;;062168

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-122100-
whitehall to pentwater mi-
1131 am edt wed aug 12 2026

.rest of today...southwest winds around 10 knots veering northwest
early in the afternoon. partly sunny. 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 less than 1 foot. 
.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 121531
nshgrr
expires:202608122100;;062167

nearshore marine forecast
national weather service grand rapids mi
1131 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-122100-
pentwater to manistee mi-
1131 am edt wed aug 12 2026

.rest of today...northwest winds 10 to 15 knots. mostly sunny. 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 121455
nshiwx
expires:202608122015;;060679

nearshore marine forecast
national weather service northern indiana
1055 am edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-122015-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1055 am edt wed aug 12 2026

.rest of today...light and variable winds. a slight chance of
showers and thunderstorms late this morning, then a chance of
showers and thunderstorms this afternoon. 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 65 degrees.

$$

fzus53 klot 121356
nshlot
expires:202608122115;;058765

nearshore marine forecast
national weather service chicago/romeoville il
856 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.


lmz740-122115-
winthrop harbor to wilmette harbor il-
856 am cdt wed aug 12 2026

.rest of today...northeast winds 5 to 10 kt. chance of showers 
and thunderstorms, mainly this morning. waves 1 ft or less. 
.tonight...northeast winds 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 slight chance of showers overnight. waves
1 to 3 ft.  

$$

fzus53 klot 121356
nshlot
expires:202608122115;;058767

nearshore marine forecast
national weather service chicago/romeoville il
856 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>745-122115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
856 am cdt wed aug 12 2026

...severe thunderstorm watch 574 in effect until 1 pm cdt this
afternoon...

.rest of today...south winds around 10 kt becoming north this
afternoon. showers and thunderstorms likely, mainly from mid to
late morning, then a chance of showers and thunderstorms in the 
afternoon. some thunderstorms may be severe with damaging winds 
and large hail this morning. waves 1 ft or less.
.tonight...northeast winds 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.
showers likely and a chance of thunderstorms in the evening, then
chance of showers overnight. waves 1 to 2 ft.  

$$

fzus53 klot 121356
nshlot
expires:202608122115;;058766

nearshore marine forecast
national weather service chicago/romeoville il
856 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.


lmz741-742-122115-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
856 am cdt wed aug 12 2026

...severe thunderstorm watch 574 in effect until 1 pm cdt this
afternoon...

.rest of today...south winds 10 to 15 kt becoming west late this
morning, then northeast this afternoon. showers and thunderstorms
likely, mainly mid to late this morning. a chance of showers in 
the afternoon. some thunderstorms may be severe with damaging 
winds and large hail this morning. waves 1 ft or less. 
.tonight...northeast winds 5 to 10 kt. partly cloudy in the 
evening, then becoming mostly cloudy. waves 1 ft or less. 
.thursday...east winds around 10 kt becoming northeast. 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. showers likely and a chance of thunderstorms in the
evening, then chance of showers overnight. waves 1 to 2 ft.  

$$

fzus53 kmkx 121610
nshmkx
expires:202608122200;;063530

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-122200-
port washington to north point light wi-
1110 am cdt wed aug 12 2026

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

.rest of today...northeast wind 5 to 10 knots. slight chance of
showers and thunderstorms early in the afternoon. 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. 

$$

fzus53 kmkx 121610
nshmkx
expires:202608122200;;063529

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-122200-
sheboygan to port washington wi-
1110 am cdt wed aug 12 2026

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

.rest of today...northeast wind 5 to 10 knots. partly sunny.
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 around 1 foot. 
.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 around
1 foot building to 2 to 4 feet early in the morning. 

$$

fzus53 kmkx 121610
nshmkx
expires:202608122200;;063531

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-122200-
north point light to wind point wi-
1110 am cdt wed aug 12 2026

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

.rest of today...northeast wind 5 to 10 knots. 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...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 121610
nshmkx
expires:202608122200;;063532

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-122200-
wind point wi to winthrop harbor il-
1110 am cdt wed aug 12 2026

.rest of today...east wind 5 to 10 knots backing northeast 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. 

$$