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 121753
nshgrb
expires:202608122200;;067510

nearshore marine forecast
national weather service green bay wi
1253 pm 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-
1253 pm cdt wed aug 12 2026

.this afternoon...ne wind 5 to 10 kts. waves 2 ft or less. a
slight chance of showers in the afternoon. 
.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 121808
nshgrr
expires:202608130800;;068216

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-130800-
pentwater to manistee mi-
208 pm edt wed aug 12 2026

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

$$

fzus53 kgrr 121808
nshgrr
expires:202608130800;;068221

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-130800-
st joseph to south haven mi-
208 pm edt wed aug 12 2026

.through early evening...west winds around 10 knots. mostly cloudy
with a slight chance of showers and thunderstorms. waves less than
1 foot. 
.tonight...northwest winds 5 to 10 knots veering northeast in the
late evening and overnight. partly cloudy. waves less than 1 foot. 
.thursday...northeast winds around 5 knots backing north early in
the afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...northeast winds 5 to 10 knots veering east after
midnight. cloudy with a chance of rain showers. waves less than
1 foot. 
.friday...east winds around 10 knots. mostly cloudy with a chance of
rain showers. waves 1 foot or less. 
.friday night...east winds 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.saturday...southeast winds 10 to 15 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.monday...north winds around 10 knots increasing to around 15 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 121808
nshgrr
expires:202608130800;;068220

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-130800-
south haven to holland mi-
208 pm edt wed aug 12 2026

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

$$

fzus53 kgrr 121808
nshgrr
expires:202608130800;;068219

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-130800-
holland to grand haven mi-
208 pm edt wed aug 12 2026

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

$$

fzus53 kgrr 121808
nshgrr
expires:202608130800;;068218

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-130800-
grand haven to whitehall mi-
208 pm edt wed aug 12 2026

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

$$

fzus53 kgrr 121808
nshgrr
expires:202608130800;;068217

nearshore marine forecast
national weather service grand rapids mi
208 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-130800-
whitehall to pentwater mi-
208 pm edt wed aug 12 2026

.through early evening...northwest winds 10 to 15 knots. mostly
sunny. waves 1 foot or less. 
.tonight...north winds 5 to 10 knots veering northeast in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing north in the late
morning and afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...north winds 5 to 10 knots veering northeast after
midnight. mostly cloudy. waves 1 foot or less. 
.friday...east winds 10 to 20 knots backing northwest early in the
afternoon. partly sunny. waves around 1 foot building to 2 to 4 feet
early in the afternoon. 
.friday night...north winds 10 to 20 knots veering east in the late
evening and overnight. partly cloudy. waves 3 to 5 feet subsiding to
2 to 4 feet in the late evening and overnight. 
.saturday...southeast winds 15 to 20 knots veering south early in
the afternoon. partly sunny with a chance of rain showers. waves
1 to 2 feet. 
.sunday...northwest winds 15 to 20 knots becoming around 15 knots
early in the afternoon. mostly cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 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;;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 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 kmkx 121810
nshmkx
expires:202608122200;;068623

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt wed aug 12 2026

.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
rising to 5 to 10 knots early in the morning. patchy fog through
the night. waves nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots in the afternoon.
patchy fog in the morning. slight chance of showers in the
morning, then chance of showers in the afternoon. 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 121810
nshmkx
expires:202608122200;;068625

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt wed aug 12 2026

.rest of today...east wind 5 to 10 knots backing northeast late
in the afternoon. mostly cloudy. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming northeast after midnight rising to 5 to
10 knots early in the morning. patchy fog after midnight. waves
nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east in the
afternoon. patchy fog in the morning. slight chance of showers in
the morning, then showers likely in the afternoon. 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 121810
nshmkx
expires:202608122200;;068622

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-122200-
sheboygan to port washington wi-
110 pm cdt wed aug 12 2026

.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
rising to 5 to 10 knots early in the morning. patchy fog after
midnight. waves around 1 foot. 
.thursday...east wind 5 to 10 knots veering southeast early in
the afternoon, then becoming southeast 5 to 10 knots late in the
afternoon. patchy fog in the morning. slight chance of showers in
the morning. chance of showers in the afternoon. 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 121810
nshmkx
expires:202608122200;;068624

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt wed aug 12 2026

.rest of today...northeast wind 5 to 10 knots. partly sunny.
waves nearly calm. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming northeast after midnight rising to 5 to
10 knots early in the morning. patchy fog after midnight. waves
nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east early in
the afternoon, then becoming east 5 to 10 knots late in the
afternoon. patchy fog in the morning. slight 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.
chance of showers through around midnight. waves 1 to 2 feet. 

$$